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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 207383] [Regression] 5.7-rc: amdgpu/polaris11 gpf: amdgpu_atomic_commit_tail
Date: Wed, 06 May 2020 17:46:44 +0000	[thread overview]
Message-ID: <bug-207383-2300-4CBkn7p8mP@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-207383-2300@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=207383

--- Comment #12 from Duncan (1i5t5.duncan@cox.net) ---
OK, bisect says:

4064b9827
Peter Xu
mm: allow VM_FAULT_RETRY for multiple times

... which came in via akpm and touches drivers/drm/ttm/ttm_bo_vm.c.

But I'm not entirely confident in that result ATM.  Among other things I had
set ZSWAP_DEFAULT_ON for 5.7, and I had zswap configured but not active
previously, so that could be it too.  I'm not typically under enough memory
pressure to trigger it, but...

Luckily a git show -R generated patch still applies cleanly on current master
(5.7.0-rc4-00029-gdc56c5acd, tho I've only built it not rebooted to test it
yet) so I can test both the commit-revert patch and the changed zswap options
now.

So I'm confirming still.

But perhaps take another look at that commit and see if there's some way
allowing unlimited VM_FAULT_RETRY could leave drm at least on on amdgpu
eternally stalled, which does seem to fit the symptoms, whether it's unlimited
VM_FAULT_RETRY or not.

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  parent reply	other threads:[~2020-05-06 17:46 UTC|newest]

Thread overview: 122+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-21  9:51 [Bug 207383] New: [Regression] 5.7-rc: amdgpu/polaris11 gpf: amdgpu_atomic_commit_tail bugzilla-daemon
2020-04-21  9:57 ` [Bug 207383] " bugzilla-daemon
2020-04-21 10:04 ` bugzilla-daemon
2020-04-23  4:59 ` bugzilla-daemon
2020-04-27 19:24 ` bugzilla-daemon
2020-04-27 19:42 ` bugzilla-daemon
2020-04-27 19:43 ` bugzilla-daemon
2020-05-01  8:20 ` bugzilla-daemon
2020-05-01  8:28 ` bugzilla-daemon
2020-05-02 16:03 ` bugzilla-daemon
2020-05-03 15:10 ` bugzilla-daemon
2020-05-05  4:23 ` bugzilla-daemon
2020-05-06 17:46 ` bugzilla-daemon [this message]
2020-05-06 22:06 ` bugzilla-daemon
2020-06-03  0:04 ` [Bug 207383] [Regression] 5.7 " bugzilla-daemon
2020-06-21  7:01 ` bugzilla-daemon
2020-06-22 15:20 ` bugzilla-daemon
2020-06-22 17:44 ` bugzilla-daemon
2020-06-22 17:57 ` bugzilla-daemon
2020-06-22 19:36 ` bugzilla-daemon
2020-06-22 20:00 ` bugzilla-daemon
2020-06-23 15:36 ` bugzilla-daemon
2020-06-23 23:41 ` bugzilla-daemon
2020-06-24  8:55 ` bugzilla-daemon
2020-06-27  4:37 ` bugzilla-daemon
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2020-06-27 22:26 ` bugzilla-daemon
2020-06-28  1:12 ` bugzilla-daemon
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2020-07-21 19:32 ` bugzilla-daemon
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2020-07-26 18:40 ` bugzilla-daemon
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2020-07-26 22:52 ` bugzilla-daemon
2020-07-26 23:30 ` bugzilla-daemon
2020-07-26 23:52 ` bugzilla-daemon
2020-07-27  6:11 ` bugzilla-daemon
2020-07-27 16:55 ` bugzilla-daemon
2020-07-28  2:29 ` bugzilla-daemon
2020-07-28  3:21 ` bugzilla-daemon
2020-07-28  3:39 ` bugzilla-daemon
2020-07-28  7:14 ` bugzilla-daemon
2020-07-29  2:33 ` bugzilla-daemon
2020-07-29  6:41 ` bugzilla-daemon
2020-07-29 16:02 ` bugzilla-daemon
2020-07-29 16:37 ` bugzilla-daemon
2020-07-29 16:45 ` bugzilla-daemon
2020-07-29 20:32 ` bugzilla-daemon
2020-07-31 16:38 ` bugzilla-daemon
2020-08-02  1:40 ` bugzilla-daemon
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2020-08-03 13:51 ` bugzilla-daemon
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2020-08-17  5:45 ` bugzilla-daemon
2021-01-06  6:36 ` bugzilla-daemon
2021-01-06 12:05 ` bugzilla-daemon
2021-01-06 18:59 ` bugzilla-daemon
2021-07-06  8:47 ` bugzilla-daemon

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