Re: Kernel NFS lockd freezes notebook on shutdown (Linux 2.6.22-rc1 + CFS v12)

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On Wed, 16 May 2007 21:00:41 +0300
Zilvinas Valinskas <[email protected]> wrote:

> Hello, 
> 
> In short, on shutdown my laptop is always freezing now. I was able to
> capture the 'sysrq-P' (hit that several times), sysrq-T outputs. Please
> see .config and log messages at http://barclay.balt.net/~zilvinas/oops/ 
> 
> Kernel version I had built according git is :
> 
> zilvinas@zv:/projects/linux-amd64.git$ git describe HEAD
> v2.6.22-rc1-29-gfaa8b6c
> 
> On top of that I have CFS v12 applied (no other changes otherwise).
> Please note that there is ''fglrx.ko'' loaded and kernel is tainted
> because of that (feel free to ignore the report ...).
> 
> Anyway, 'sysrq-P' always show that PC is stuck at (NFS lockd?) and it is
> always the same backtrace is shown. 'sysrq-t' output is in
> 'kernel-nfs-freeze.log' file (did not want to post it here).
> 
>  Pid: 3652, comm: lockd Tainted: P       2.6.22-rc1-cfs-v12 #1
> 
> [<ffffffff8024a5a0>] wq_barrier_func+0x0/0x10
> [<ffffffff8024a7e5>] destroy_workqueue+0x75/0xa0
> [<ffffffff8833cd34>] :sunrpc:rpciod_down+0xf4/0x170
> [<ffffffff8836dd74>] :lockd:lockd+0x244/0x300
> [<ffffffff80233e1f>] schedule_tail+0x3f/0xb0
> [<ffffffff8020b0f8>] child_rip+0xa/0x12
> [<ffffffff8836db30>] :lockd:lockd+0x0/0x300
> [<ffffffff8836db30>] :lockd:lockd+0x0/0x300
> [<ffffffff8020b0ee>] child_rip+0x0/0x12
> 
> Hope this helps. Thanks in advance for any advice how to solve problem !
> For now I am back to '2.6.21.1-cfs-v10'.
> 

Thanks for the report.   I'm thinking "Oleg".
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