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Date: Mon, 5 Feb 2007 11:24:30 +0100 (CET) From: Igmar Palsenberg <i.palsenberg@...-ict.nl> To: Andrew Morton <akpm@...l.org> cc: linux-kernel@...r.kernel.org, npiggin@...e.de, erich <erich@...ca.com.tw> Subject: Re: 2.6.16.32 stuck in generic_file_aio_write() > Does the other machine have the same problems? It does. It seems to depend on the interrupt frequency : Setting KERNEL_HZ=250 makes it ony appear once a month or so, with KERNEL_HZ=1000, it will occur within a week. It does happen a lot less with the other machine, which isn't under disk activity load as much as the other machine. > Are you able to rule out a hardware failure? Well.. It's too much coincidence that 2 (almost identical) machines show the same weard behaviour. What strikes me that only *disk* interrupts after a while don't get handled. The machine itself is alive, just all disk IO is blocked, which makes it pretty much useless. Erich, could this be some sort of hardware problem ? I know it's a PITA to reproduce, but setting CONFIG_HZ to 1000 and bashing the machine with diskactivity seems to help :) Regards, Igmar -- Igmar Palsenberg JDI ICT Zutphensestraatweg 85 6953 CJ Dieren Tel: +31 (0)313 - 496741 Fax: +31 (0)313 - 420996 The Netherlands mailto: i.palsenberg@...-ict.nl - 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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