Re: [BUG] write(2) hangs in 2.2.[13-14] (fwd)

From: Rik van Riel (riel@nl.linux.org)
Date: Fri Jan 28 2000 - 23:38:30 EST


On Fri, 28 Jan 2000, imel... wrote:

> i was testing my nbd array with:
> dd if=/dev/urandom of=test count=4000000
>
> on a raid5 partition. the test hangs one of the nbd client.
> the problem was on the client. doing:
> #strace nbd-server 100 /dev/hda
>
> showed that one of the machine was doing write() and it never
> returns.
> the hda is a 3gb disk.

With this stress-test you could have hit the problem
window in __get_free_pages(). Could you try 2.2.15pre5
+ my boobytrap2 patch? That one should probably work
and if it doesn't it'll give us the error messages we
need to track down the bug for you and make sure that
the next kernel version will be stable.

        ftp://ftp.kernel.org/pub/linux/kernel/people/alan/
        http://www.surriel.com/patches/

cheers,

Rik

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