[Bug 99907] linux-firmware 2017-02-17 update causes varying breaks in AMDGPU for recent cards - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 99907] linux-firmware 2017-02-17 update causes varying breaks in AMDGPU for recent cards
Date: Wed, 22 Feb 2017 18:07:11 +0000	[thread overview]
Message-ID: <bug-99907-502@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=99907

            Bug ID: 99907
           Summary: linux-firmware 2017-02-17 update causes varying breaks
                    in AMDGPU for recent cards
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: saunders.52@wright.edu

Currently on Arch Linux after they shipped an update to the linux-firmware set
(20170217.12987ca-1), there's been reports of various issues ranging from power
management failing to in my case (AMD Radeon RX 460) Xorg failing to work at
all (it either blinks and goes back to a frozen VT as the GPU hangs, or the GPU
hangs on a full-screen corruption of some kind.) This is broken on both kernel
4.9.11 and 4.10 in my testing, on Xorg 1.19.1. The system still responds to SSH
connections, but fails to shutdown properly if attempted over that. Tracker
link: https://bugs.archlinux.org/task/53042

I've traced it back to a specific commit to linux-firmware,    
7a110b85a46d7f884f4ac712ff52e02ed57234bd,
https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/commit/amdgpu/carrizo_ce.bin?id=7a110b85a46d7f884f4ac712ff52e02ed57234bd,
pushed to the git repo on 2-17-17, which updates a large subset of the firmware
images used by AMDGPU. Seeing as how this is a binary file set, I'm really not
sure how to proceed from here in testing it to give any more useful information
here. 

Apologies if this is the wrong place to report a firmware issue, but I was
unsure where to file it otherwise.

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