amd64/145039: spin lock held too long amd64 mp_machdep.c
ben.cadieux at gmail.com
Thu Mar 25 20:40:02 UTC 2010
The following reply was made to PR amd64/145039; it has been noted by GNATS.
From: Ben Cadieux <ben.cadieux at gmail.com>
To: Howard Feldman <hfeldman at earthlink.net>
Cc: freebsd-gnats-submit at freebsd.org
Subject: Re: amd64/145039: spin lock held too long amd64 mp_machdep.c
Date: Thu, 25 Mar 2010 13:12:14 -0700
Thanks for the input, Howard!
I had the spinlock problem (without WITNESS enabled) while only
running Win2k3 in VirtualBox. I can only assume it's the same
error... it just happens less often.
I should've included more details in case hardware or something else
is related. I'm using a SuperMicro board (X8SIL-F-O) with 8GB of ram
and an Intel Xeon X3440. Two 'em' NICs, only using one at the
On Thu, Mar 25, 2010 at 12:44 PM, Howard Feldman <hfeldman at earthlink.net> w=
> I've had the same issue with the AMD64 version of Release 8.0. =A0However=
, I'm not running jails but the issue seems to occur when running two Virtu=
alBox sessions-one running FreeBSD version 8.0 and the other running Window=
s XP. =A0I'm running under KDE. =A0I have 12 GB main memory.
> I've tried to run Windows XP under load but could not repeat the panic.
> It seems that the common factor here is running VirtualBox and Windows XP=
> -----Original Message-----
>>From: Ben Cadieux <ben.cadieux at gmail.com>
>>Sent: Mar 25, 2010 2:16 PM
>>To: freebsd-gnats-submit at FreeBSD.org
>>Subject: amd64/145039: spin lock held too long amd64 mp_machdep.c
>>>Number: =A0 =A0 =A0 =A0 145039
>>>Category: =A0 =A0 =A0 amd64
>>>Synopsis: =A0 =A0 =A0 spin lock held too long amd64 mp_machdep.c
>>>Confidential: =A0 no
>>>Severity: =A0 =A0 =A0 critical
>>>Priority: =A0 =A0 =A0 high
>>>Responsible: =A0 =A0freebsd-amd64
>>>State: =A0 =A0 =A0 =A0 =A0open
>>>Class: =A0 =A0 =A0 =A0 =A0sw-bug
>>>Submitter-Id: =A0 current-users
>>>Arrival-Date: =A0 Thu Mar 25 18:20:02 UTC 2010
>>>Originator: =A0 =A0 Ben Cadieux
>>>Release: =A0 =A0 =A0 =A0FreeBSD 8.0-RELEASE & 8.0-STABLE
>>FreeBSD underworld.example.org 8.0-STABLE FreeBSD 8.0-STABLE #0: Wed Mar =
24 09:54:03 PDT 2010 =A0 =A0sol at underworld.example.org:/usr/obj/usr/src/sys=
>>I'm running 2 jails, and 2 VirtualBox sessions (with Win2k3 Server & WinX=
P). =A0If I only run 1 VirtualBox session, the problem seems to be rarer.
>>There doesn't seem to be too much of a pattern other than increased load =
increases the risk. =A0Sometimes the server is stable for a week, other tim=
es minutes or hours.
>>spin lock 0xffffffff80752f80 (smp rendezvous) held by 0xffffff0001879740 =
(tid 100022) too long
>>exclusive spin mutex smp rendezvous (smp rendezvous) r =3D 0 (0xffffffff8=
>>locked @ /usr/src/sys/amd64/amd64/mp_machdep.c:992
>>panic: spin lock held too long
>>cpuid =3D 4
>>freebsd-amd64 at freebsd.org mailing list
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