It is not important as I use this display on the Zynthian where I experiment … then on the Raspberry P3 B+ … But I would like to know if it is possible that it does not work due to the update or if yet another display is broken.
Many thanks
Hi @Lanfranco
First check in webconf if eveything is well configured
If yes, show us
- output of command
dmesg
- content of file
/var/log/Xorg.0.log
And yes these displays are sometimes subject of random failures 
The cemetery begins to be wide …
2.8, 3.5 and 4 inch …
I broke the 4 inch display with a connection error … but the other two … 
From product page:
Uses the hardware SPI pins (SCK, MOSI, MISO, CE0, CE1) as well as GPIO #25 and #24. GPIO #18 can be used to PWM dim the backlight if you like. All other GPIO are unused.
the adafruit TFT 3.5 doesn’t make the use of the i2c lines (SDA pin3, SCL pin5)
so your troubles should not (normally) related to the errors in dmesg.
please show full dmesg output
and Xorg.0.log
Sorry le51,
what command should I give to see the log using Putty?
Thanks and sorry for my ignorance
./zynthian.sh should launch the Zynthian UI but it complains “Unable to connect to X server”
So there is a misconfiguration or the display is broken.
cat /var/log/Xorg.0.log
this will give us informations about display startup process (wich is actually failing) and full output of
dmesg
will give us informations about hardware setup
Hi @Lanfranco !
It could be the kernel overlays for the display (/boot/overlays) that need to be updated. It happened in the past with other displays/soundcards that are not supported by the mainstream kernel.
Could you send a screenshot from your webconf’s display configuration?
Good luck!
and output of:
dmesg
select output with mouse, right click → copy → paste as response
Copy all to clipboard… on Putty…
root@zynthian:~# dmesg
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 5.15.70-v7+ (dom@buildbot) (arm-linux-gnueabihf-gcc-8 (Ubuntu/Linaro 8.4.0-3ubuntu1) 8.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #1590 SMP Tue Sep 27 15:56:24 BST 2022
[ 0.000000] CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d
[ 0.000000] CPU: div instructions available: patching division code
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] OF: fdt: Machine model: Raspberry Pi 3 Model B Rev 1.2
[ 0.000000] random: crng init done
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] Reserved memory: created CMA memory pool at 0x37400000, size 64 MiB
[ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000000000-0x000000003b3fffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x000000003b3fffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000003b3fffff]
[ 0.000000] percpu: Embedded 16 pages/cpu s35724 r8192 d21620 u65536
[ 0.000000] pcpu-alloc: s35724 r8192 d21620 u65536 alloc=16*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 240555
[ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait
[ 0.000000] Kernel parameter elevator= does not have any effect anymore.
Please use sysfs to set IO scheduler for individual devices.
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] Memory: 878092K/970752K available (10240K kernel code, 1337K rwdata, 3076K rodata, 1024K init, 569K bss, 27124K reserved, 65536K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] ftrace: allocating 33298 entries in 98 pages
[ 0.000000] ftrace: allocated 98 pages with 3 groups
[ 0.000000] trace event string verifier disabled
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] Rude variant of Tasks RCU enabled.
[ 0.000000] Tracing variant of Tasks RCU enabled.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] arch_timer: cp15 timer(s) running at 19.20MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[ 0.000001] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[ 0.000013] Switching to timer-based delay loop, resolution 52ns
[ 0.000226] Console: colour dummy device 80x30
[ 0.000660] printk: console [tty1] enabled
[ 0.000707] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[ 0.000739] pid_max: default: 32768 minimum: 301
[ 0.000832] LSM: Security Framework initializing
[ 0.000983] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[ 0.001012] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[ 0.001872] cgroup: Disabling memory control group subsystem
[ 0.002038] CPU: Testing write buffer coherency: ok
[ 0.002366] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.003071] Setting up static identity map for 0x100000 - 0x10003c
[ 0.003181] rcu: Hierarchical SRCU implementation.
[ 0.003719] smp: Bringing up secondary CPUs ...
[ 0.004387] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.005114] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[ 0.005760] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[ 0.005836] smp: Brought up 1 node, 4 CPUs
[ 0.005891] SMP: Total of 4 processors activated (153.60 BogoMIPS).
[ 0.005909] CPU: All CPU(s) started in HYP mode.
[ 0.005923] CPU: Virtualization extensions available.
[ 0.006478] devtmpfs: initialized
[ 0.016075] VFP support v0.3: implementor 41 architecture 3 part 40 variant 3 rev 4
[ 0.016223] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.016259] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[ 0.017997] pinctrl core: initialized pinctrl subsystem
[ 0.018804] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 0.021379] DMA: preallocated 1024 KiB pool for atomic coherent allocations
[ 0.024260] audit: initializing netlink subsys (disabled)
[ 0.024465] audit: type=2000 audit(0.020:1): state=initialized audit_enabled=0 res=1
[ 0.024818] thermal_sys: Registered thermal governor 'step_wise'
[ 0.025361] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[ 0.025395] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.025568] Serial: AMBA PL011 UART driver
[ 0.030558] bcm2835-mbox 3f00b880.mailbox: mailbox enabled
[ 0.050018] raspberrypi-firmware soc:firmware: Attached to firmware from 2022-08-26T14:04:36, variant start
[ 0.060029] raspberrypi-firmware soc:firmware: Firmware hash is 102f1e848393c2112206fadffaaf86db04e98326
[ 0.090120] Kprobes globally optimized
[ 0.093060] bcm2835-dma 3f007000.dma: DMA legacy API manager, dmachans=0x1
[ 0.094268] SCSI subsystem initialized
[ 0.094415] usbcore: registered new interface driver usbfs
[ 0.094465] usbcore: registered new interface driver hub
[ 0.094512] usbcore: registered new device driver usb
[ 0.094705] usb_phy_generic phy: supply vcc not found, using dummy regulator
[ 0.094824] usb_phy_generic phy: dummy supplies not allowed for exclusive requests
[ 0.094976] pps_core: LinuxPPS API ver. 1 registered
[ 0.094993] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.095023] PTP clock support registered
[ 0.096212] clocksource: Switched to clocksource arch_sys_counter
[ 0.136649] VFS: Disk quotas dquot_6.6.0
[ 0.136736] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.136857] FS-Cache: Loaded
[ 0.137040] CacheFiles: Loaded
[ 0.142554] NET: Registered PF_INET protocol family
[ 0.142737] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 0.143635] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear)
[ 0.143675] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 0.143702] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
[ 0.143776] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 0.143886] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.143996] UDP hash table entries: 512 (order: 2, 16384 bytes, linear)
[ 0.144038] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear)
[ 0.144201] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 0.146795] RPC: Registered named UNIX socket transport module.
[ 0.146816] RPC: Registered udp transport module.
[ 0.146831] RPC: Registered tcp transport module.
[ 0.146845] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.950536] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 7 counters available
[ 0.970474] Initialise system trusted keyrings
[ 0.970665] workingset: timestamp_bits=14 max_order=18 bucket_order=4
[ 0.975748] zbud: loaded
[ 0.976891] FS-Cache: Netfs 'nfs' registered for caching
[ 0.977437] NFS: Registering the id_resolver key type
[ 0.977478] Key type id_resolver registered
[ 0.977493] Key type id_legacy registered
[ 0.977580] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.977599] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[ 0.978295] Key type asymmetric registered
[ 0.978312] Asymmetric key parser 'x509' registered
[ 0.978373] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
[ 0.978395] io scheduler mq-deadline registered
[ 0.978411] io scheduler kyber registered
[ 0.981844] bcm2708_fb soc:fb: FB found 1 display(s)
[ 0.988941] Console: switching to colour frame buffer device 82x26
[ 0.992638] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 656x416
[ 0.997593] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled
[ 1.000117] bcm2835-rng 3f104000.rng: hwrng registered
[ 1.001673] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[ 1.004911] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000
[ 1.013985] brd: module loaded
[ 1.020636] loop: module loaded
[ 1.022433] Loading iSCSI transport class v2.0-870.
[ 1.024818] usbcore: registered new interface driver lan78xx
[ 1.026185] usbcore: registered new interface driver smsc95xx
[ 1.027563] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 1.756786] Core Release: 2.80a
[ 1.758066] Setting default values for core params
[ 1.759332] Finished setting default values for core params
[ 1.960793] Using Buffer DMA mode
[ 1.962061] Periodic Transfer Interrupt Enhancement - disabled
[ 1.963369] Multiprocessor Interrupt Enhancement - disabled
[ 1.964673] OTG VER PARAM: 0, OTG VER FLAG: 0
[ 1.965964] Dedicated Tx FIFOs mode
[ 1.967640] WARN::dwc_otg_hcd_init:1074: FIQ DMA bounce buffers: virt = b7504000 dma = 0xf7504000 len=9024
[ 1.971221] FIQ FSM acceleration enabled for :
Non-periodic Split Transactions
Periodic Split Transactions
High-Speed Isochronous Endpoints
Interrupt/Control Split Transaction hack enabled
[ 1.976729] dwc_otg: Microframe scheduler enabled
[ 1.976798] WARN::hcd_init_fiq:457: FIQ on core 1
[ 1.978961] WARN::hcd_init_fiq:458: FIQ ASM at 807fa260 length 36
[ 1.981192] WARN::hcd_init_fiq:497: MPHI regs_base at bb810000
[ 1.983434] dwc_otg 3f980000.usb: DWC OTG Controller
[ 1.984600] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1
[ 1.985796] dwc_otg 3f980000.usb: irq 89, io mem 0x00000000
[ 1.986988] Init: Port Power? op_state=1
[ 1.988108] Init: Power Port (0)
[ 1.989383] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.15
[ 1.991691] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.992924] usb usb1: Product: DWC OTG Controller
[ 1.994104] usb usb1: Manufacturer: Linux 5.15.70-v7+ dwc_otg_hcd
[ 1.995301] usb usb1: SerialNumber: 3f980000.usb
[ 1.996917] hub 1-0:1.0: USB hub found
[ 1.998137] hub 1-0:1.0: 1 port detected
[ 1.999777] dwc_otg: FIQ enabled
[ 1.999785] dwc_otg: NAK holdoff enabled
[ 1.999791] dwc_otg: FIQ split-transaction FSM enabled
[ 1.999800] Module dwc_common_port init
[ 1.999994] usbcore: registered new interface driver usb-storage
[ 2.001344] mousedev: PS/2 mouse device common for all mice
[ 2.004370] sdhci: Secure Digital Host Controller Interface driver
[ 2.005620] sdhci: Copyright(c) Pierre Ossman
[ 2.007137] sdhci-pltfm: SDHCI platform and OF driver helper
[ 2.010149] ledtrig-cpu: registered to indicate activity on CPUs
[ 2.011563] hid: raw HID events driver (C) Jiri Kosina
[ 2.012880] usbcore: registered new interface driver usbhid
[ 2.014118] usbhid: USB HID core driver
[ 2.018681] Initializing XFRM netlink socket
[ 2.019949] NET: Registered PF_PACKET protocol family
[ 2.021246] Key type dns_resolver registered
[ 2.022845] Registering SWP/SWPB emulation handler
[ 2.024447] registered taskstats version 1
[ 2.025605] Loading compiled-in X.509 certificates
[ 2.027243] Key type ._fscrypt registered
[ 2.028336] Key type .fscrypt registered
[ 2.029403] Key type fscrypt-provisioning registered
[ 2.036695] uart-pl011 3f201000.serial: there is not valid maps for state default
[ 2.039072] uart-pl011 3f201000.serial: cts_event_workaround enabled
[ 2.040346] 3f201000.serial: ttyAMA0 at MMIO 0x3f201000 (irq = 114, base_baud = 0) is a PL011 rev2
[ 2.044286] 3f215040.serial: ttyS0 at MMIO 0x3f215040 (irq = 86, base_baud = 50000000) is a 16550
[ 2.047559] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[ 2.049096] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[ 2.051343] mmc-bcm2835 3f300000.mmcnr: mmc_debug:0 mmc_debug2:0
[ 2.052680] mmc-bcm2835 3f300000.mmcnr: DMA channel allocated
[ 2.082768] sdhost: log_buf @ eaebe6fa (f7507000)
[ 2.126298] Indeed it is in host mode hprt0 = 00021501
[ 2.132846] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[ 2.157701] of_cfs_init
[ 2.159102] of_cfs_init: OK
[ 2.161201] Waiting for root device /dev/mmcblk0p2...
[ 2.218851] mmc0: host does not support reading read-only switch, assuming write-enable
[ 2.225786] mmc0: new high speed SDHC card at address aaaa
[ 2.227895] mmcblk0: mmc0:aaaa SD32G 29.7 GiB
[ 2.231690] mmcblk0: p1 p2
[ 2.233497] mmcblk0: mmc0:aaaa SD32G 29.7 GiB
[ 2.245826] mmc1: new high speed SDIO card at address 0001
[ 2.257527] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[ 2.260181] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 2.268879] devtmpfs: mounted
[ 2.274454] Freeing unused kernel image (initmem) memory: 1024K
[ 2.286482] Run /sbin/init as init process
[ 2.287734] with arguments:
[ 2.287739] /sbin/init
[ 2.287745] with environment:
[ 2.287751] HOME=/
[ 2.287756] TERM=linux
[ 2.336234] usb 1-1: new high-speed USB device number 2 using dwc_otg
[ 2.337674] Indeed it is in host mode hprt0 = 00001101
[ 2.576448] usb 1-1: New USB device found, idVendor=0424, idProduct=9514, bcdDevice= 2.00
[ 2.579139] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 2.581057] hub 1-1:1.0: USB hub found
[ 2.582543] hub 1-1:1.0: 5 ports detected
[ 2.890903] systemd[1]: System time before build time, advancing clock.
[ 2.906264] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
[ 3.036530] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00, bcdDevice= 2.00
[ 3.039340] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 3.043411] smsc95xx v2.0.0
[ 3.057829] NET: Registered PF_INET6 protocol family
[ 3.060311] Segment Routing with IPv6
[ 3.061802] In-situ OAM (IOAM) with IPv6
[ 3.145875] systemd[1]: systemd 241 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid)
[ 3.154741] systemd[1]: Detected architecture arm.
[ 3.207940] SMSC LAN8700 usb-001:003:01: attached PHY driver (mii_bus:phy_addr=usb-001:003:01, irq=POLL)
[ 3.211569] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:2e:a1:1a
[ 3.296797] systemd[1]: Set hostname to <zynthian>.
[ 4.012799] systemd[1]: Listening on udev Control Socket.
[ 4.018287] systemd[1]: Created slice system-getty.slice.
[ 4.021780] systemd[1]: Listening on udev Kernel Socket.
[ 4.025535] systemd[1]: Created slice User and Session Slice.
[ 4.028760] systemd[1]: Reached target Slices.
[ 4.032038] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[ 4.036863] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[ 4.170021] i2c_dev: i2c /dev entries driver
[ 4.629641] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null). Quota mode: none.
[ 4.686154] systemd-journald[124]: Received request to flush runtime journal from PID 1
[ 5.135404] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.138389] mc: Linux media interface: v0.10
[ 5.158468] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
[ 5.158498] [vc_sm_connected_init]: start
[ 5.171648] [vc_sm_connected_init]: installed successfully
[ 5.218458] videodev: Linux video capture interface: v2.00
[ 5.230634] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.254873] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.269408] bcm2835_audio bcm2835_audio: card created with 8 channels
[ 5.274741] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.287499] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[ 5.287542] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[ 5.297792] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.301256] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[ 5.301297] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[ 5.310905] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13
[ 5.311268] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14
[ 5.311532] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video15
[ 5.311709] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video16
[ 5.311733] bcm2835-isp bcm2835-isp: Register output node 0 with media controller
[ 5.311748] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller
[ 5.311759] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller
[ 5.311770] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller
[ 5.318413] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video20
[ 5.318849] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video21
[ 5.319863] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video22
[ 5.320084] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video23
[ 5.320110] bcm2835-isp bcm2835-isp: Register output node 0 with media controller
[ 5.320136] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller
[ 5.320149] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller
[ 5.320160] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller
[ 5.320287] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp
[ 5.320897] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[ 5.320936] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[ 5.339435] bcm2835-codec bcm2835-codec: Device registered as /dev/video18
[ 5.339543] bcm2835-codec bcm2835-codec: Loaded V4L2 image_fx
[ 5.343996] bcm2835-codec bcm2835-codec: Device registered as /dev/video31
[ 5.344037] bcm2835-codec bcm2835-codec: Loaded V4L2 encode_image
[ 5.398520] stmpe-spi spi0.1: stmpe610 detected, chip id: 0x811
[ 5.427446] stmpe-gpio stmpe-gpio: DMA mask not set
[ 5.451567] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[ 5.852808] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 5.978201] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 6.157529] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[ 6.165258] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 6.165634] usbcore: registered new interface driver brcmfmac
[ 6.169352] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430-sdio.raspberrypi,3-model-b.bin failed with error -2
[ 6.328901] fbtft: module is from the staging directory, the quality is unknown, you have been warned.
[ 6.344508] fb_hx8357d: module is from the staging directory, the quality is unknown, you have been warned.
[ 6.344992] SPI driver fb_hx8357d has no spi_device_id for himax,hx8357d
[ 6.345267] fb_hx8357d spi0.0: fbtft_property_value: buswidth = 8
[ 6.345302] fb_hx8357d spi0.0: fbtft_property_value: debug = 0
[ 6.345322] fb_hx8357d spi0.0: fbtft_property_value: rotate = 90
[ 6.345353] fb_hx8357d spi0.0: fbtft_property_value: fps = 20
[ 6.399009] stmpe-ts stmpe-ts: DMA mask not set
[ 6.402979] input: stmpe-ts as /devices/platform/soc/3f204000.spi/spi_master/spi0/spi0.1/stmpe-ts/input/input0
[ 6.418062] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 6.418182] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 6.418231] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available
[ 6.419064] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Oct 22 2019 01:59:28 version 7.45.98.94 (r723000 CY) FWID 01-3b33decd
[ 6.789798] graphics fb1: fb_hx8357d frame buffer, 480x320, 300 KiB video memory, 4 KiB buffer memory, fps=20, spi0.0 at 32 MHz
[ 7.117300] 8021q: 802.1Q VLAN Support v1.8
[ 7.429325] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[ 7.471857] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled
[ 7.579211] smsc95xx 1-1.1:1.0 eth0: Link is Down
[ 8.781777] uart-pl011 3f201000.serial: no DMA platform data
[ 9.847014] smsc95xx 1-1.1:1.0 eth0: Link is Up - 100Mbps/Full - flow control off
[ 9.847090] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 11.658708] Bluetooth: Core ver 2.22
[ 11.658830] NET: Registered PF_BLUETOOTH protocol family
[ 11.658840] Bluetooth: HCI device and connection manager initialized
[ 11.658868] Bluetooth: HCI socket layer initialized
[ 11.658880] Bluetooth: L2CAP socket layer initialized
[ 11.658907] Bluetooth: SCO socket layer initialized
[ 11.674791] Bluetooth: HCI UART driver ver 2.3
[ 11.674818] Bluetooth: HCI UART protocol H4 registered
[ 11.674901] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 11.675103] Bluetooth: HCI UART protocol Broadcom registered
[ 11.983406] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 11.983431] Bluetooth: BNEP filters: protocol multicast
[ 11.983451] Bluetooth: BNEP socket layer initialized
[ 18.086307] i2c-bcm2835 3f804000.i2c: i2c transfer timed out
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[ 32.486268] cam-dummy-reg: disabling
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root@zynthian:~#
root@zynthian:~# cat /var/log/Xorg.0.log
[ 7.989]
X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
[ 7.989] Build Operating System: Linux 5.4.0-109-generic armv8l Raspbian
[ 7.989] Current Operating System: Linux zynthian 5.15.70-v7+ #1590 SMP Tue Sep 27 15:56:24 BST 2022 armv7l
[ 7.989] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait
[ 7.990] Build Date: 04 August 2022 12:56:42PM
[ 7.990] xorg-server 2:1.20.4-1+rpt4+deb10u5 (https://www.debian.org/support)
[ 7.990] Current version of pixman: 0.36.0
[ 7.990] Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
[ 7.990] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 7.990] (==) Log file: "/var/log/Xorg.0.log", Time: Tue Mar 7 19:47:24 2023
[ 8.002] (==) Using config directory: "/etc/X11/xorg.conf.d"
[ 8.002] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 8.006] (==) No Layout section. Using the first Screen section.
[ 8.006] (==) No screen section available. Using defaults.
[ 8.006] (**) |-->Screen "Default Screen Section" (0)
[ 8.006] (**) | |-->Monitor "<default monitor>"
[ 8.013] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 8.013] (==) Automatically adding devices
[ 8.013] (==) Automatically enabling devices
[ 8.013] (==) Automatically adding GPU devices
[ 8.013] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 8.029] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/X11/misc".
[ 8.030] Entry deleted from font path.
[ 8.030] (Run 'mkfontdir' on "/usr/share/fonts/X11/misc").
[ 8.030] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 8.030] Entry deleted from font path.
[ 8.030] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[ 8.030] Entry deleted from font path.
[ 8.030] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[ 8.030] Entry deleted from font path.
[ 8.030] (WW) The directory "/usr/share/fonts/X11/Type1" does not exist.
[ 8.030] Entry deleted from font path.
[ 8.030] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[ 8.030] Entry deleted from font path.
[ 8.030] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[ 8.030] Entry deleted from font path.
[ 8.030] (==) FontPath set to:
built-ins
[ 8.030] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 8.030] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 8.030] (II) Loader magic: 0x1fdf80
[ 8.030] (II) Module ABI versions:
[ 8.030] X.Org ANSI C Emulation: 0.4
[ 8.030] X.Org Video Driver: 24.0
[ 8.030] X.Org XInput driver : 24.1
[ 8.030] X.Org Server Extension : 10.0
[ 8.033] (--) using VT number 2
[ 8.033] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration
[ 8.033] (II) no primary bus or device found
[ 8.034] (II) LoadModule: "glx"
[ 8.038] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 8.092] (II) Module glx: vendor="X.Org Foundation"
[ 8.092] compiled for 1.20.4, module version = 1.0.0
[ 8.092] ABI class: X.Org Server Extension, version 10.0
[ 8.093] (==) Matched modesetting as autoconfigured driver 0
[ 8.093] (==) Matched fbdev as autoconfigured driver 1
[ 8.093] (==) Assigned the driver to the xf86ConfigLayout
[ 8.093] (II) LoadModule: "modesetting"
[ 8.105] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 8.114] (II) Module modesetting: vendor="X.Org Foundation"
[ 8.114] compiled for 1.20.4, module version = 1.20.4
[ 8.114] Module class: X.Org Video Driver
[ 8.114] ABI class: X.Org Video Driver, version 24.0
[ 8.115] (II) LoadModule: "fbdev"
[ 8.115] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 8.117] (II) Module fbdev: vendor="X.Org Foundation"
[ 8.117] compiled for 1.20.3, module version = 0.5.0
[ 8.117] Module class: X.Org Video Driver
[ 8.117] ABI class: X.Org Video Driver, version 24.0
[ 8.118] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 8.118] (II) FBDEV: driver for framebuffer: fbdev
[ 8.121] (WW) Falling back to old probe method for modesetting
[ 8.121] (EE) open /dev/dri/card0: No such file or directory
[ 8.121] (WW) Falling back to old probe method for fbdev
[ 8.121] (II) Loading sub module "fbdevhw"
[ 8.121] (II) LoadModule: "fbdevhw"
[ 8.122] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 8.125] (II) Module fbdevhw: vendor="X.Org Foundation"
[ 8.125] compiled for 1.20.4, module version = 0.0.2
[ 8.125] ABI class: X.Org Video Driver, version 24.0
[ 8.125] (II) FBDEV(0): using default device
[ 8.125] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[ 8.125] (II) FBDEV(0): Creating default Display subsection in Screen section
"Default Screen Section" for depth/fbbpp 16/16
[ 8.125] (==) FBDEV(0): Depth 16, (==) framebuffer bpp 16
[ 8.125] (==) FBDEV(0): RGB weight 565
[ 8.125] (==) FBDEV(0): Default visual is TrueColor
[ 8.125] (==) FBDEV(0): Using gamma correction (1.0, 1.0, 1.0)
[ 8.125] (II) FBDEV(0): hardware: fb_hx8357d (video memory: 300kB)
[ 8.125] (DB) xf86MergeOutputClassOptions unsupported bus type 0
[ 8.125] (II) FBDEV(0): checking modes against framebuffer device...
[ 8.126] (II) FBDEV(0): checking modes against monitor...
[ 8.126] (II) FBDEV(0): Virtual size is 480x320 (pitch 480)
[ 8.126] (**) FBDEV(0): Built-in mode "current"
[ 8.126] (==) FBDEV(0): DPI set to (96, 96)
[ 8.126] (II) Loading sub module "fb"
[ 8.126] (II) LoadModule: "fb"
[ 8.126] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 8.132] (II) Module fb: vendor="X.Org Foundation"
[ 8.132] compiled for 1.20.4, module version = 1.0.0
[ 8.132] ABI class: X.Org ANSI C Emulation, version 0.4
[ 8.132] (**) FBDEV(0): using shadow framebuffer
[ 8.132] (II) Loading sub module "shadow"
[ 8.132] (II) LoadModule: "shadow"
[ 8.132] (II) Loading /usr/lib/xorg/modules/libshadow.so
[ 8.136] (II) Module shadow: vendor="X.Org Foundation"
[ 8.136] compiled for 1.20.4, module version = 1.1.0
[ 8.136] ABI class: X.Org ANSI C Emulation, version 0.4
[ 8.136] (II) UnloadModule: "modesetting"
[ 8.136] (II) Unloading modesetting
[ 8.137] (II) FBDEV(0): FBIOBLANK: Invalid argument (Screen blanking not supported by kernel - disabling)
[ 8.159] (==) FBDEV(0): Backing store enabled
[ 8.164] (==) FBDEV(0): DPMS enabled
[ 8.165] (II) Initializing extension Generic Event Extension
[ 8.166] (II) Initializing extension SHAPE
[ 8.168] (II) Initializing extension MIT-SHM
[ 8.169] (II) Initializing extension XInputExtension
[ 8.173] (II) Initializing extension XTEST
[ 8.174] (II) Initializing extension BIG-REQUESTS
[ 8.176] (II) Initializing extension SYNC
[ 8.177] (II) Initializing extension XKEYBOARD
[ 8.178] (II) Initializing extension XC-MISC
[ 8.179] (II) Initializing extension SECURITY
[ 8.180] (II) Initializing extension XFIXES
[ 8.181] (II) Initializing extension RENDER
[ 8.182] (II) Initializing extension RANDR
[ 8.184] (II) Initializing extension COMPOSITE
[ 8.187] (II) Initializing extension DAMAGE
[ 8.188] (II) Initializing extension MIT-SCREEN-SAVER
[ 8.189] (II) Initializing extension DOUBLE-BUFFER
[ 8.190] (II) Initializing extension RECORD
[ 8.191] (II) Initializing extension DPMS
[ 8.192] (II) Initializing extension Present
[ 8.193] (II) Initializing extension DRI3
[ 8.193] (II) Initializing extension X-Resource
[ 8.195] (II) Initializing extension XVideo
[ 8.196] (II) Initializing extension XVideo-MotionCompensation
[ 8.196] (II) Initializing extension SELinux
[ 8.196] (II) SELinux: Disabled on system
[ 8.196] (II) Initializing extension GLX
[ 8.197] (II) AIGLX: Screen 0 is not DRI2 capable
[ 9.667] (II) IGLX: Loaded and initialized swrast
[ 9.668] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[ 9.668] (II) Initializing extension XFree86-VidModeExtension
[ 9.669] (II) Initializing extension XFree86-DGA
[ 9.700] (II) Initializing extension XFree86-DRI
[ 9.704] (II) Initializing extension DRI2
[ 9.922] (II) config/udev: Adding input device stmpe-ts (/dev/input/event0)
[ 9.922] (**) stmpe-ts: Applying InputClass "libinput touchscreen catchall"
[ 9.922] (**) stmpe-ts: Applying InputClass "calibration"
[ 9.923] (II) LoadModule: "libinput"
[ 9.924] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so
[ 9.961] (II) Module libinput: vendor="X.Org Foundation"
[ 9.961] compiled for 1.20.3, module version = 0.28.2
[ 9.961] Module class: X.Org XInput Driver
[ 9.961] ABI class: X.Org XInput driver, version 24.1
[ 9.961] (II) Using input driver 'libinput' for 'stmpe-ts'
[ 9.961] (**) stmpe-ts: always reports core events
[ 9.962] (**) Option "Device" "/dev/input/event0"
[ 9.962] (**) Option "_source" "server/udev"
[ 10.008] (II) event0 - stmpe-ts: is tagged by udev as: Touchscreen
[ 10.010] (II) event0 - stmpe-ts: device is a touch device
[ 10.011] (II) event0 - stmpe-ts: device removed
[ 10.140] (**) Option "config_info" "udev:/sys/devices/platform/soc/3f204000.spi/spi_master/spi0/spi0.1/stmpe-ts/input/input0/event0"
[ 10.140] (II) XINPUT: Adding extended input device "stmpe-ts" (type: TOUCHSCREEN, id 6)
[ 10.141] (**) Option "AccelerationScheme" "none"
[ 10.141] (**) stmpe-ts: (accel) selected scheme none/0
[ 10.141] (**) stmpe-ts: (accel) acceleration factor: 2.000
[ 10.141] (**) stmpe-ts: (accel) acceleration threshold: 4
[ 10.149] (II) event0 - stmpe-ts: is tagged by udev as: Touchscreen
[ 10.151] (II) event0 - stmpe-ts: device is a touch device
[ 10.154] (II) config/udev: Adding input device stmpe-ts (/dev/input/mouse0)
[ 10.155] (**) stmpe-ts: Applying InputClass "calibration"
[ 10.155] (II) No input driver specified, ignoring this device.
[ 10.155] (II) This device may have been added with another device file.
root@zynthian:~#
From dmesg
And
show that kernel doesn’t complain about hardware, the framebuffer driver is loaded
Your Xorg.0.log looks fine too except:
wich is a kind of undocumented error (from Xorg.0.log):
But as is, it doesn’t seems to stop Xorg his start process.
You can check if it’s running with:
ps aux|grep Xor
to see all the processes curently running use:
ps aux
While lsmod will show you the kernel drivers loaded by the kernel.
Some of them can only be registered at boot time (see content of /boot/config.txt or the Hw part of webconf).
Some other can be manually loaded with insmod command, or can even be loaded automagicaly (like USB Hard Drives, printers, MIDI keyboards …)
lsmod
watching output of /var/log/syslog is good too.
I’ve discovered my “new” computer is not happy with my good old Control Surface, output of following command when I plug the control surface
tail -f /var/log/syslog
Mar 8 17:17:22 ryzen pulseaudio[1916]: Failed to load module “module-alsa-card” (argument: "device_id=“2” name=“usb-M-Audio_Trigger_Finger_Pro-00” card_name=“alsa_card.usb-M-Audio_Trigger_Finger_Pro-00” namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties=“module-udev-detect.discovered=1"”): initialization failed.
pulseaudio related for sure
Thanks le51
ps aux|grep Xor`
root@zynthian:~# ps aux|grep Xor
root 531 0.9 3.8 187840 36012 tty2 S<sl+ 16:39 0:00 /usr/lib/xorg/ Xorg -nolisten tcp :0 -auth /tmp/serverauth.HVyMLlqhXt
root 1298 0.0 0.0 7344 560 pts/0 S+ 16:41 0:00 grep Xor
root@zynthian:~#
ps a
root@zynthian:~# ps a
PID TTY STAT TIME COMMAND
531 tty2 S<sl+ 0:01 /usr/lib/xorg/Xorg -nolisten tcp :0 -auth /tmp/serverauth.HVyMLlqhXt
720 tty1 Ss+ 0:00 /sbin/agetty -o -p -- \u --noclear tty1 linux
1279 pts/0 Ss 0:00 -bash
1302 pts/0 R+ 0:00 ps a
root@zynthian:~#
lsmod
root@zynthian:~# lsmod
Module Size Used by
xt_state 16384 0
xt_conntrack 16384 0
nf_conntrack 126976 2 xt_state,xt_conntrack
nf_defrag_ipv6 20480 1 nf_conntrack
nf_defrag_ipv4 16384 1 nf_conntrack
cmac 16384 1
nft_counter 16384 1
xt_DSCP 16384 1
xt_tcpudp 16384 1
nft_compat 20480 2
nf_tables 217088 6 nft_compat,nft_counter
nfnetlink 20480 2 nft_compat,nf_tables
bnep 20480 2
hci_uart 40960 1
btbcm 20480 1 hci_uart
bluetooth 409600 24 hci_uart,bnep,btbcm
ecdh_generic 16384 2 bluetooth
ecc 40960 1 ecdh_generic
snd_seq_dummy 16384 2
snd_hrtimer 16384 1
snd_seq 69632 6 snd_seq_dummy
snd_seq_device 16384 1 snd_seq
8021q 32768 0
garp 16384 1 8021q
stp 16384 1 garp
llc 16384 2 garp,stp
joydev 20480 0
stmpe_ts 16384 0
fb_hx8357d 16384 1
fbtft 45056 1 fb_hx8357d
syscopyarea 16384 1 fbtft
sysfillrect 16384 1 fbtft
sysimgblt 16384 1 fbtft
fb_sys_fops 16384 1 fbtft
brcmfmac 335872 0
brcmutil 20480 1 brcmfmac
sha256_generic 16384 0
cfg80211 765952 1 brcmfmac
rfkill 32768 4 bluetooth,cfg80211
bcm2835_codec 45056 0
bcm2835_v4l2 45056 0
snd_soc_rpi_simple_soundcard 16384 2
bcm2835_isp 32768 0
v4l2_mem2mem 36864 1 bcm2835_codec
raspberrypi_hwmon 16384 0
bcm2835_mmal_vchiq 32768 3 bcm2835_isp,bcm2835_codec,bcm2835_v4l2
snd_soc_bcm2835_i2s 16384 2
videobuf2_vmalloc 16384 1 bcm2835_v4l2
videobuf2_dma_contig 20480 2 bcm2835_isp,bcm2835_codec
videobuf2_memops 16384 2 videobuf2_dma_contig,videobuf2_vmalloc
videobuf2_v4l2 32768 4 bcm2835_isp,bcm2835_codec,bcm2835_v4l2,v4l2_mem2mem
videobuf2_common 65536 8 bcm2835_isp,bcm2835_codec,videobuf2_dma_contig,videobuf2_vmalloc,videobuf2_memops,bcm2835_v4l2,v4l2_mem2mem,videobuf2_v4l2
i2c_bcm2835 16384 0
gpio_backlight 16384 0
videodev 245760 6 bcm2835_isp,bcm2835_codec,videobuf2_common,bcm2835_v4l2,v4l2_mem2mem,videobuf2_v4l2
backlight 20480 2 gpio_backlight,fbtft
spi_bcm2835 20480 0
snd_soc_pcm5102a 16384 1
snd_soc_core 233472 3 snd_soc_bcm2835_i2s,snd_soc_pcm5102a,snd_soc_rpi_simple_soundcard
snd_bcm2835 24576 0
snd_compress 20480 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_pcm 114688 7 snd_compress,snd_pcm_dmaengine,snd_soc_bcm2835_i2s,snd_bcm2835,snd_soc_core,snd_soc_rpi_simple_soundcard
mc 45056 6 bcm2835_isp,bcm2835_codec,videobuf2_common,videodev,v4l2_mem2mem,videobuf2_v4l2
vc_sm_cma 32768 2 bcm2835_isp,bcm2835_mmal_vchiq
snd_timer 32768 3 snd_seq,snd_hrtimer,snd_pcm
snd 86016 11 snd_compress,snd_seq,snd_timer,snd_seq_device,snd_bcm2835,snd_soc_core,snd_pcm
uio_pdrv_genirq 16384 0
fixed 16384 0
uio 20480 1 uio_pdrv_genirq
i2c_dev 20480 0
ip_tables 28672 0
x_tables 32768 6 xt_state,ip_tables,nft_compat,xt_tcpudp,xt_DSCP,xt_conntrack
ipv6 524288 32
root@zynthian:~#
good; modules are here and Xorg is running.
Is it broken, maybe.
I see one last suggestion: you are using a pcm5102a DAC
And backlight is enabled by default in the in adafruit pitft35 (see backlight doc)
The DAC and display are in conflict on GPIO 18 (pin number 12 on RBPi header).
One use it as I2S line, the other as pwn backlight control.
You can remove the DAC and use internal RBPI headphone and see if it works.
If yes, visit the link above to see how to disable backlight
Good luck
Pulseaudio is not used in zynthian and it shouldn’t be installed nor executed.
Regards,
Yeah, I know. This message happens on my desktop computer which is running a relative old version of Ubuntu Studio
pulsesaudio is hell !
My displays are DEAD…they don’t even work with normal Raspberry OS… Never again Adafruit…
Thanks for your effort