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Date: Fri, 18 Mar 2005 17:26:49 -0800
From: Andrew Morton <akpm@osdl.org>
To: Alexander Gran <alex@zodiac.dnsalias.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [2.6.11-mm3] umount: Scheduling while atomic
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Alexander Gran <alex@zodiac.dnsalias.org> wrote:
>
> while umounting an ext2 partition on a usb hdd I'm getting:
>  scheduling while atomic: umount/0x10000001/14941
>   [<c0451392>] schedule+0x5f2/0x600
>   [<c0451cc7>] cond_resched+0x27/0x40
>   [<c0140af1>] invalidate_mapping_pages+0x81/0xe0
>   [<c015b27d>] kill_bdev+0xd/0x20
>   [<c015b315>] __set_blocksize+0x85/0xa0
>   [<c015bba0>] __bd_release+0x70/0x80
>   [<c015c458>] __close_bdev_excl+0x8/0x10
>   [<c015a100>] deactivate_super+0x50/0x80
>   [<c016f82b>] sys_umount+0x3b/0x90
>   [<c0148c20>] do_munmap+0x120/0x150
>   [<c016f895>] sys_oldumount+0x15/0x20
>   [<c010300b>] sysenter_past_esp+0x54/0x75

hm, yes, that was a bug in blockdev-fixes-race-between-mount-umount.patch,
but that patch got dropped because Linus fixed things differently.

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