Re: X11 system lockup with 5.11.0 kernel

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

Regards,
Christian.

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 <[email protected]>
> 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 <[email protected]>
>      Reviewed-by: Dave Airlie <[email protected]>
>      Reviewed-by: Madhav Chauhan <[email protected]>
>      Tested-by: Huang Rui <[email protected]>
>      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
>
> Cheers
> Michael.