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Message-ID: <20070520192116.GA83@tv-sign.ru> Date: Sun, 20 May 2007 23:21:16 +0400 From: Oleg Nesterov <oleg@...sign.ru> To: zilvinas@...ibox.com Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org Subject: Re: Kernel NFS lockd freezes notebook on shutdown (Linux 2.6.22-rc1 + CFS v12) On 05/20, zilvinas@...ibox.com wrote: > > I've done some more tests and quite frankly I think this is really related > to the dreaded ''fglrx.ko'' module. It seems to me that it is much easier > to reproduce the problem if that damn module is loaded. It does uses > workqueue. Then there is another driver ipw3945 loaded and it is required > to run binary only ''ipw3945d'' daemon just to start using wireless driver > ... > > In either way both these kernel modules are workqueue users. > > Btw, I had also tested kernel (compiled from the same source) but on > different laptop (EVO N800v), single core, Pentium M 2GHz. Kernel is not > freezing on shutdown, even loop nfs kernel stop/start - does not cause any > kernel panic as on nx9420 (Dual Core) laptop. And that with or without any > patch applied from Oleg. :(( Great. Even if not a bugfix, this patch is a reasonable cleanup anyway. Thank you very much for additional testing and report! Oleg. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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