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Date:      Fri, 21 Aug 2020 16:44:25 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 248811] panic: deadlres_td_sleep_q: possible deadlock detected
Message-ID:  <bug-248811-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D248811

            Bug ID: 248811
           Summary: panic: deadlres_td_sleep_q: possible deadlock detected
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: ish@amail.plala.or.jp

Created attachment 217422
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D217422&action=
=3Dedit
/var/crash/info.8(r363950M)

Hi.

I'm using 13.0-CURRENT r364441M on Dell XPS12 9Q33.
(I'm using udf2 patched r364441.)
This machine was panicked with the following messages.

panic: deadlres_td_sleep_q: possible deadlock detected for 0xfffffe006408be=
00
(find), blocked for 1802043 ticks

Yesterday, I was using r363950M and the same panic has occured.

Vmcore was uploaded to the below.
https://www.ish.org/files/vmcore.8.r363950M.xz
https://www.ish.org/files/vmcore.9.r364441M.xz

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