[Bug 106544] Boot error: gpu/drm/amd/amdgpu/../display/dc/dm_services.h:132 generic_reg_update_ex+0x108/0x150 [amdgpu] dce110_stream_encoder_update_hdmi_info_packets+0x20e/0x3a0 [amdgpu]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106544

Leonid Maksymchuk <leonmaxx at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |leonmaxx at gmail.com

--- Comment #2 from Leonid Maksymchuk <leonmaxx at gmail.com> ---
Created attachment 139904
  --> https://bugs.freedesktop.org/attachment.cgi?id=139904&action=edit
Full dmesg log.

I have similar issue :

[    1.179416] WARNING: CPU: 14 PID: 396 at
drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:132
generic_reg_update_ex+0x13a/0x160 [amdgpu]
[    1.179417] Modules linked in: amdkfd amd_iommu_v2 amdgpu(+) chash
i2c_algo_bit gpu_sched drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops crc32c_intel ttm ahci drm libahci r8169 mii libata bcache
[    1.179425] CPU: 14 PID: 396 Comm: systemd-udevd Not tainted
4.16.13-1.el7.x86_64 #1
[    1.179425] Hardware name: System manufacturer System Product Name/PRIME
B350-PLUS, BIOS 3401 12/04/2017
[    1.179453] RIP: 0010:generic_reg_update_ex+0x13a/0x160 [amdgpu]
[    1.179453] RSP: 0018:ffffc900023e30a0 EFLAGS: 00010246
[    1.179454] RAX: ffffc900023e30c0 RBX: ffff880402ba99c0 RCX:
0000000000000001
[    1.179455] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
ffff880402f26200
[    1.179455] RBP: ffffc900023e3110 R08: 0000000000000000 R09:
0000000000000000
[    1.179456] R10: 0000000000000000 R11: 0000000000000001 R12:
0000000000000001
[    1.179456] R13: 0000000000000000 R14: 0000000000000000 R15:
ffff8804058f6c00
[    1.179457] FS:  00007f7fb6a5a8c0(0000) GS:ffff88041ef80000(0000)
knlGS:0000000000000000
[    1.179458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.179458] CR2: 00007f7fb6a65e02 CR3: 0000000404e0e000 CR4:
00000000003406e0
[    1.179459] Call Trace:
[    1.179491]  dce110_stream_encoder_update_hdmi_info_packets+0x406/0x640
[amdgpu]
...

Full dmesg log attached.

This crash happens during boot, also similar crashes ocured on desktop - mostly
after display sleep (DPMS).
After crash display can become blank for couple of seconds.

My video card is ASUS Fury Strix 4GB.

Crashes appeared after I updated kernel to 4.16.13. Later I'll re-test with
4.16.12 and report.

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