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Re: XFS, 4K stacks, and Red Hat

To: Alexander Bergolth <leo@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: XFS, 4K stacks, and Red Hat
From: Nathan Scott <nathans@xxxxxxx>
Date: Wed, 13 Jul 2005 11:56:26 +1000
Cc: Joshua Baker-LePain <jlb17@xxxxxxxx>, Steve Lord <lord@xxxxxxx>, Linux xfs mailing list <linux-xfs@xxxxxxxxxxx>
In-reply-to: <42D3F44B.308@xxxxxxxxxxxxxxxxxxxx>
References: <Pine.LNX.4.58.0507071102460.4766@xxxxxxxxxxxxxxxxxx> <42CD4D38.1090703@xxxxxxx> <Pine.LNX.4.58.0507071142550.4766@xxxxxxxxxxxxxxxxxx> <20050708043740.GB1679@frodo> <42D3F44B.308@xxxxxxxxxxxxxxxxxxxx>
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On Tue, Jul 12, 2005 at 06:48:11PM +0200, Alexander Bergolth wrote:
> On 07/08/2005 06:37 AM, Nathan Scott wrote:
> >...
> > As other cases pop up (with a reproducible test case please, and
> > no stacking drivers in the way too :), we slowly iron them out..
^^^^^^^^^^^^^^^^^^^^^^^^^^

*cough*

> I'm getting frequent stack overflows on one system, using xfs, lvm2,
> sw-raid and libata but I don't know, if they are XFS-related.

Hmmm - xfs on lvm on md on ide ...?  Looks like its death by
a thousand cuts.. thats the sort of case Steve keeps talking
about.  You will be able to crash using any filesystem doing
this, eventually - and we haven't even got NFS in the picture
here yet.

( Maybe you can do away with one of device mapper / MD here? )

>  [<c02bc4ed>] __ide_do_rw_disk+0x344/0x501
>  [<c0290f8c>] __make_request+0x120/0x662
>  [<c029ab44>] cfq_set_request+0x12c/0x58a
>  [<c02ef82f>] md_update_sb+0x78/0xf6
>  [<c02f2fdc>] md_write_start+0x75/0x77
>  [<f084a293>] make_request+0x157/0x50a [raid1]
>  [<c0181d18>] bio_clone+0xa0/0xb1
>  [<f088692e>] dm_request+0x79/0x8e [dm_mod]
>  [<c0291b8d>] generic_make_request+0x94/0x23a
>  [<f09b42ea>] _pagebuf_ioapply+0x180/0x2ee [xfs]
>  [<f09b4488>] pagebuf_iorequest+0x30/0x132 [xfs]
>  [<f099464c>] xlog_sync+0x282/0x622 [xfs]
>  [<f097b087>] xfs_dir2_node_addname_int+0x525/0x9c3 [xfs]
>  [<f097ab0d>] xfs_dir2_node_addname+0x6d/0xc2 [xfs]
>  [<f097353f>] xfs_dir2_createname+0x0/0x122 [xfs]
>  [<f09ac564>] xfs_create+0x465/0x6df [xfs]
>  [<f09b8299>] linvfs_mknod+0x279/0x45a [xfs]

cheers.

-- 
Nathan


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