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Re: Linux 6.7-rc1+: WARNING at drivers/xen/evtchn.c:167 evtchn_interrupt



On 30.11.23 03:34, Marek Marczykowski-Górecki wrote:
Hi,

While testing 6.7-rc3 on Qubes OS I found several warning like in the
subject in dom0 log. I see them when running 6.7-rc1 too. I'm not sure
what exactly triggers the issue, but my guess would be unbinding an
event channel from userspace (closing vchan connection).

Specific message:

[   83.973377] ------------[ cut here ]------------
[   83.975523] Interrupt for port 77, but apparently not enabled; per-user 
00000000a0e9f1d1
Finally I think I have a fix (thanks to Demi for finding the problematic patch
through bisecting).

Could you please try the attached patch? It is based on current upstream, but
I think it should apply to 6.7 or stable 6.6, too.


Juergen

Attachment: 0001-xen-evtchn-avoid-WARN-when-unbinding-an-event-channe.patch
Description: Text Data


 


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