From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Itamar Reis Peixoto" <itamar@ispbrasil.com.br>
Subject: Re: BUG: soft lockup detected on CPU#0!
Date: Tue, 4 Apr 2006 23:45:08 -0300
Message-ID: <000801c6585a$f4f892f0$0100000a@lualele>
References: <44332DC7.3040707@theshore.net>
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To: "Christopher S. Aker" <caker@theshore.net>, xen-devel <xen-devel@lists.xensource.com>
List-Id: xen-devel@lists.xenproject.org

I have the same problem.

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=543

xen_changeset          : Sat Apr  1 14:59:12 2006 +0100 9511:60071beccf18

if you found a solution first, please send-me.



> BUG: soft lockup detected on CPU#0!
> Pid: 17178, comm:        xvd 275 fd:86
> EIP: 0061:[<c0133b65>] CPU: 1
> EIP is at kthread_should_stop+0x15/0x20
>  EFLAGS: 00000246    Not tainted  (2.6.16-xen0 #1)
> EAX: 00000001 EBX: 00000000 ECX: c05431b4 EDX: 00000000
> ESI: 00000000 EDI: cc7b143c EBP: c5f11f98 DS: 007b ES: 007b
> CR0: 8005003b CR2: 090a8928 CR3: 0635f000 CR4: 00000660
>  [<c0387bd5>] blkif_schedule+0x25/0x4a0
>  [<c0133e90>] autoremove_wake_function+0x0/0x60
>  [<c0133c6f>] kthread+0xff/0x110
>  [<c0387bb0>] blkif_schedule+0x0/0x4a0
>  [<c0133b70>] kthread+0x0/0x110
>  [<c0102ca5>] kernel_thread_helper+0x5/0x10
>
> These are happening every few minutes, for four domains, and rising. 
> Machine is under somewhat high disk load (lots of scp processes copying 
> large file systems, cfq disk sched).
>
> xen_changeset: Sun Mar 26 11:50:39 2006 +0100 9441:30ae67d6e5f0
>
> Those domain have now zombified and are unkillable.  I'll grab the latest 
> updates and reboot the box.
>
> -Chris
>
>
>
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