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Re: X11 system lockup with 5.11.0 kernel

That is a known issue fixed in follow up 5.11.x kernels.


Am 05.04.21 um 11:58 schrieb Michael Cree:
On Mon, Apr 05, 2021 at 04:55:15PM +1200, Michael Cree wrote:
On Sun, Apr 04, 2021 at 11:47:58PM -0500, Bob Tracy wrote:
On Wed, Mar 31, 2021 at 11:04:42AM +0200, Maciej W. Rozycki wrote:
  I think the only feasible way of determining what has happened here is
that you track the offending change down by bisecting the upstream kernel
repository with `git bisect'.
That would normally be what I would do, and it may yet happen.  Problem
is, I don't have a 64-bit system with enough disk space to do the kernel
builds with a cross-compiler, and local (native) builds on the PWS are
taking 36+ hours each these days.  Unless I get *really* lucky with the
bisects, the task will take a couple of weeks.
Confirmed that v5.11.0 hard locks up on presenting the X-Desktop
login screen whereas v5.10.0 is fine. This is on a XP1000 with
a Radeon HD4350.
And the first bad commit is:

0fe3cf3a53b5c1205ec7d321be1185b075dff205 is the first bad commit
commit 0fe3cf3a53b5c1205ec7d321be1185b075dff205
Author: Christian König <christian.koenig@amd.com>
Date:   Sat Oct 24 13:12:23 2020 +0200

     drm/radeon: switch to new allocator v2
It should be able to handle all cases here. v2: fix debugfs as well Signed-off-by: Christian König <christian.koenig@amd.com>
     Reviewed-by: Dave Airlie <airlied@redhat.com>
     Reviewed-by: Madhav Chauhan <madhav.chauhan@amd.com>
     Tested-by: Huang Rui <ray.huang@amd.com>
     Link: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatchwork.freedesktop.org%2Fpatch%2F397088%2F%3Fseries%3D83051%26rev%3D1&amp;data=04%7C01%7Cchristian.koenig%40amd.com%7Ce271ea2552a640dfec1408d8f81964a3%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637532135545775310%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=UYwXgn6lAsES4q8p944kP0Y%2BGzqHRwSMXgrQvZXwXzM%3D&amp;reserved=0

:040000 040000 4e643ef861b921392bc67be21a42298c91c7ff7a b36453567c3176a3cd50fa0b23886b0fd642560d M	drivers


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