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* [Bug 111869] Navi "divide error" hang
@ 2019-09-30 12:30 bugzilla-daemon
  2019-09-30 12:30 ` bugzilla-daemon
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: bugzilla-daemon @ 2019-09-30 12:30 UTC (permalink / raw)
  To: dri-devel


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https://bugs.freedesktop.org/show_bug.cgi?id=111869

            Bug ID: 111869
           Summary: Navi "divide error" hang
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: not set
          Priority: not set
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: git@dougty.com

Created attachment 145593
  --> https://bugs.freedesktop.org/attachment.cgi?id=145593&action=edit
divide-error_09-20.txt

Occasionally, usually while watching videos in Firefox, my GPU will hang and
the screen will freeze -- sound and keyboard input still work in the
background, and I need to use REISUB hotkeys to reboot. This is separate, in
addition to the sdma and ring gfx_0.0.0 hangs.

Upon rebooting, journalctl shows the attached "divide error". I've included
logs from 3 instances of it happening. I'm currently using the Jul 14 firmware
from Fedora's linux-firmware package as the hang appears to occur more often on
the newer firmware from
https://people.freedesktop.org/~agd5f/radeon_ucode/navi10/ however this may
just be placebo.

It occurs with or without the "0-sized IBs" kernel patch from
https://bugs.freedesktop.org/show_bug.cgi?id=111481#c33 and on both PCIe 3.0
and 4.0. I'm not using a PCIe riser and the card works without issue on Windows
10 dual boot.

CPU: 3700X
GPU: Sapphire 5700XT (reference)
Motherboard: Gigabyte X570-I (BIOS F4)
Kernel: 5.3.0
Mesa: mesa-git 1:19.3.0_devel.115682.3c966fd688c-1
LLVM: llvm-git 10.0.0_r327425.63f6066b53d-1

Please let me know if any more information would be helpful, or if there's
anything I can do to troubleshoot. Thanks.

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2019-11-01  1:27 ` bugzilla-daemon
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