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List:       opensolaris-bugs
Subject:    Re: [osol-bugs] Re: SNV_57 hang on an AMD64 dual core.
From:       Joerg.Schilling () fokus ! fraunhofer ! de (Joerg Schilling)
Date:       2007-02-25 11:37:01
Message-ID: 45e174dd.V/Iqy6+4N9jPUUh1%Joerg.Schilling () fokus ! fraunhofer ! de
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"James C. McPherson" <James.C.McPherson@gmail.com> wrote:

> Jean-François Ndi wrote:
> > I have reduced the snooping period to 10 seconds and let my laptop up all
> > night long. This morning I found two more crash dumps. Here is a summary:
> > 
> > # mdb -k unix.1 vmcore.1 Loading modules: [ unix genunix specfs dtrace
> > cpu.AuthenticAMD.15 uppc pcplusmp scsi_vhci ufs ip hook neti sctp arp usba
> > s1394 fctl nca lofs zfs random sppp crypto ptm ipc md cpc fcip fcp
> > logindmux ]
> >> ::status
> > debugging crash dump vmcore.1 (64-bit) from pluto operating system: 5.11
> > snv_57 (i86pc) panic message: deadman: timed out after 10 seconds of clock
> > inactivity dump content: kernel pages only
> >> $C
> ...
> > 
> > As usual the core dumps are available.
> > 
> > I hope that it will help to ring some bells and help me not feeling like I
> > am wasting my time :-)
>
> Hi Jean-François,
> In my experience, the stack associated with the thread for the
> deadman is not nearly as interesting at the stack for threads
> that are using >90% cpu.

A hang may also occur when some Opterons have no patched microcode (e.g. errata 
131).

Jörg

-- 
 EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
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       schilling@fokus.fraunhofer.de     (work) Blog: http://schily.blogspot.com/
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