Hi Nirmoy,
Many thanks for this information. We will test this patch asap.
Have a nice day,
Christian
On 05 July 2021 at 10:26pm, Nirmoy wrote:
> Hi Christian,
>
>
> This issue looks similar to the one Mikel Rychliski fixed recently :
https://patchwork.freedesktop.org/patch/440791. Let us know if this helps.
>
>
> Regards,
>
> Nirmoy
>
> On 7/3/2021 9:30 AM, Christian Zigotzky wrote:
>> Hi All,
>>
>> Xorg doesn't work anymore after the latest DRM updates. [1]
>>
>> Error messages:
>>
>> Jul 03 08:54:51 Fienix systemd[1]: Starting Light Display Manager...
>> Jul 03 08:54:51 Fienix systemd[1]: Started Light Display Manager.
>> Jul 03 08:54:51 Fienix kernel: BUG: Kernel NULL pointer dereference
on read at 0x00000010
>> Jul 03 08:54:51 Fienix kernel: Faulting instruction address:
0xc000000000630750
>> Jul 03 08:54:51 Fienix kernel: Oops: Kernel access of bad area, sig:
11 [#1]
>> Jul 03 08:54:51 Fienix kernel: BE PAGE_SIZE=4K PREEMPT SMP NR_CPUS=4
CoreNet Generic
>> Jul 03 08:54:51 Fienix kernel: Modules linked in: algif_skcipher
bnep tuner_simple tuner_types tea5767 tuner tda7432 tvaudio msp3400 bttv
tea575x tveeprom videobuf_dma_sg videobuf_core rc_core videodev mc btusb
btrtl btbcm btintel bluetooth ecdh_generic ecc uio_pdrv_genirq uio
>> Jul 03 08:54:51 Fienix kernel: CPU: 3 PID: 4300 Comm: Xorg.wrap Not
tainted 5.14.0-a3_A-EON_X5000-07637-g3dbdb38e2869-dirty #1
>> Jul 03 08:54:51 Fienix kernel: NIP: c000000000630750 LR:
c00000000060fedc CTR: c000000000630728
>> Jul 03 08:54:51 Fienix kernel: REGS: c00000008d903470 TRAP: 0300 Not
tainted (5.14.0-a3_A-EON_X5000-07637-g3dbdb38e2869-dirty)
>> Jul 03 08:54:51 Fienix kernel: MSR: 0000000080029002 <CE,EE,ME>
CR: 20000222 XER: 20000000
>> Jul 03 08:54:51 Fienix kernel: DEAR: 0000000000000010 ESR:
0000000000000000 IRQMASK: 0
>> GPR00: c00000000060fedc
c00000008d903710 c00000000190c400 c000000085d59c00
>> GPR04: c00000008d9035b8
ffffffffffffffff c0000000870a4900 c000000085b62d00
>> GPR08: 000000000000000f
0000000000000000 c000000000630728 0000000000000003
>> GPR12: 0000000020000222
c00000003fffeac0 00000000ffe51070 000000000086007c
>> GPR16: 0000000000862820
00000000ffb7ec68 0000000000000000 00000000ffffffff
>> GPR20: 00000000c04064a0
0000000000450088 00000000ffca79e4 5deadbeef0000122
>> GPR24: 5deadbeef0000100
0000000000000000 c0000000876028f0 c000000080bd4000
>> GPR28: c000000087603c48
c000000085d59d78 c000000085d59c00 c000000085d59c78
>> Jul 03 08:54:51 Fienix kernel: NIP [c000000000630750]
.radeon_ttm_bo_destroy+0x28/0xc0
>> Jul 03 08:54:51 Fienix kernel: LR [c00000000060fedc]
.ttm_bo_put+0x2ec/0x344
>> Jul 03 08:54:51 Fienix kernel: Call Trace:
>> Jul 03 08:54:51 Fienix kernel: [c00000008d903710] [c00000000060fbe4]
.ttm_bo_cleanup_memtype_use+0x54/0x60 (unreliable)
>> Jul 03 08:54:51 Fienix kernel: [c00000008d903790] [c00000000060fedc]
.ttm_bo_put+0x2ec/0x344
>> Jul 03 08:54:51 Fienix kernel: [c00000008d903820] [c000000000630b50]
.radeon_bo_unref+0x28/0x3c
>> Jul 03 08:54:51 Fienix kernel: [c00000008d9038a0] [c0000000006d1f6c]
.radeon_vm_fini+0x1b0/0x1b8
>> Jul 03 08:54:51 Fienix kernel: [c00000008d903940] [c000000000618e38]
.radeon_driver_postclose_kms+0x128/0x178
>> Jul 03 08:54:51 Fienix kernel: [c00000008d9039e0] [c0000000005deb14]
.drm_file_free+0x1d8/0x278
>> Jul 03 08:54:51 Fienix kernel: [c00000008d903aa0] [c0000000005def00]
.drm_release+0x64/0xc8
>> Jul 03 08:54:51 Fienix kernel: [c00000008d903b30] [c00000000017636c]
.__fput+0x11c/0x25c
>> Jul 03 08:54:51 Fienix kernel: [c00000008d903bd0] [c00000000008b1e8]
.task_work_run+0xa4/0xbc
>> Jul 03 08:54:51 Fienix kernel: [c00000008d903c70] [c000000000004bf4]
.do_notify_resume+0x144/0x2f0
>> Jul 03 08:54:51 Fienix kernel: [c00000008d903d70] [c00000000000b380]
.syscall_exit_prepare+0x110/0x130
>> Jul 03 08:54:51 Fienix kernel: [c00000008d903e10] [c000000000000688]
system_call_common+0x100/0x1fc
>> Jul 03 08:54:51 Fienix kernel: --- interrupt: c00 at 0x3f4f58
>> Jul 03 08:54:51 Fienix kernel: NIP: 00000000003f4f58 LR:
00000000003f4f2c CTR: 0000000000000000
>> Jul 03 08:54:51 Fienix kernel: REGS: c00000008d903e80 TRAP: 0c00 Not
tainted (5.14.0-a3_A-EON_X5000-07637-g3dbdb38e2869-dirty)
>> Jul 03 08:54:51 Fienix kernel: MSR: 000000000002d002 <CE,EE,PR,ME>
CR: 20000420 XER: 00000000
>> Jul 03 08:54:51 Fienix kernel: IRQMASK: 0
>> GPR00: 0000000000000006
00000000ffca66a0 00000000f798a310 0000000000000000
>> GPR04: 0000000000000000
0000000000000000 0000000000000000 0000000000000000
>> GPR08: 0000000000000000
0000000000000000 0000000000000000 0000000000000000
>> GPR12: 0000000000000000
000000000044fff4 00000000ffe51070 000000000086007c
>> GPR16: 0000000000862820
00000000ffb7ec68 0000000000000000 00000000ffffffff
>> GPR20: 00000000c04064a0
0000000000450088 00000000ffca79e4 00000000004317ac
>> GPR24: 00000000004317b8
00000000ffca66d0 0000000000000001 00000000ffca673c
>> GPR28: 0000000000000001
0000000000000000 000000000041cff4 0000000000000003
>> Jul 03 08:54:51 Fienix kernel: NIP [00000000003f4f58] 0x3f4f58
>> Jul 03 08:54:51 Fienix kernel: LR [00000000003f4f2c] 0x3f4f2c
>> Jul 03 08:54:51 Fienix kernel: --- interrupt: c00
>> Jul 03 08:54:51 Fienix kernel: Instruction dump:
>> Jul 03 08:54:51 Fienix kernel: 40c2fff4 4e800020 7c0802a6 fbc1fff0
f8010010 3bc3ff88 fbe1fff8 38a0ffff
>> Jul 03 08:54:51 Fienix kernel: f821ff81 7c7f1b78 e9230168 7fc3f378
<80890010> 4bffff51 e87f0208 38631df8
>> Jul 03 08:54:51 Fienix kernel: ---[ end trace ddf73d2d70058380 ]---
>> Jul 03 08:54:51 Fienix kernel:
>> Jul 03 08:54:51 Fienix systemd[1]: lightdm.service: Main process
exited, code=exited, status=1/FAILURE
>> Jul 03 08:54:51 Fienix systemd[1]: lightdm.service: Failed with
result 'exit-code'.
>> Jul 03 08:54:51 Fienix avahi-daemon[3857]: Registering new address
record for 2a02:8109:89c0:ebfc:d372:f06c:9247:7d54 on enP4096p4s4.*.
>> Jul 03 08:54:51 Fienix systemd[1]: lightdm.service: Scheduled
restart job, restart counter is at 1.
>> Jul 03 08:54:51 Fienix systemd[1]: Stopped Light Display Manager.
>>
>> ----
>> Systems: A-EON AmigaOne X1000 and X5000 with Radeon HD6970 graphics
cards. [2] [3] [4]
>>
>> The biggest problem is, that I don't have time for bisecting and
fixing this issue.
>>
>> Cheers,
>> Christian
>>
>> [1]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e058a84bfddc42ba356a2316f2cf1141974625c9
>> [2] http://wiki.amiga.org/index.php?title=X5000
>> [3] https://en.wikipedia.org/wiki/AmigaOne_X1000
>> [4] https://forum.hyperion-entertainment.com/viewtopic.php?f=58&t=4378
