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From: Mike Fedyk <mfedyk@matchmail.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, oliver@neukum.org
Subject: Re: OOps in HFS was: 2.6.0-test4-mm3
Date: Tue, 16 Sep 2003 16:59:38 -0700	[thread overview]
Message-ID: <20030916235938.GB3490@matchmail.com> (raw)
In-Reply-To: <20030916144012.0ab9b009.akpm@osdl.org>

On Tue, Sep 16, 2003 at 02:40:12PM -0700, Andrew Morton wrote:
> Mike Fedyk <mfedyk@matchmail.com> wrote:
> >
> > Just reading a hfs floppy...
> 
> It's not an oops - it's a warning.
> 

Oh, sorry, I didn't notice.  Will try harder next time. ;)

> > Sep 15 10:10:49 mis-mike-wstn kernel: inserting floppy driver for 2.6.0-test4-mm3-1-mdfail
> > Sep 15 10:10:49 mis-mike-wstn kernel: Floppy drive(s): fd0 is 1.44M
> > Sep 15 10:10:49 mis-mike-wstn kernel: FDC 0 is a post-1991 82077
> > Sep 15 10:10:49 mis-mike-wstn kernel: PM: Adding info for platform:floppy0
> > Sep 15 10:11:14 mis-mike-wstn kernel: Debug: sleeping function called from invalid context at mm/slab.c:1833
> > Sep 15 10:11:14 mis-mike-wstn kernel: Call Trace:
> > Sep 15 10:11:14 mis-mike-wstn kernel:  [__might_sleep+99/104] __might_sleep+0x63/0x68
> > Sep 15 10:11:15 mis-mike-wstn kernel:  [kmem_cache_alloc+37/324] kmem_cache_alloc+0x25/0x144
> > Sep 15 10:11:15 mis-mike-wstn kernel:  [_end+340461616/1068932160] grow_entries+0x24/0xa0 [hfs]
> > Sep 15 10:11:15 mis-mike-wstn kernel:  [_end+340462938/1068932160] get_new_entry+0x1e/0x460 [hfs]
> 
> get_entry() does disk I/O under spin_lock(&entry_lock).  Deadlock country.
> A simple fix would be to convert entry_lock into a semaphore.
> 

Maybe.  It's a client diskette.  Would it be ok if a couple files were
truncated or filled with zeros?

> > Sep 15 10:21:11 mis-mike-wstn kernel: hfs_cat_put: trying to free free entry: c261451c
> > Sep 15 10:21:11 mis-mike-wstn kernel: hfs_cat_put: trying to free free entry: cc08f104
> > Sep 15 10:21:11 mis-mike-wstn kernel: hfs_cat_put: trying to free free entry: c7997ccc
> > Sep 15 10:21:11 mis-mike-wstn kernel: hfs_cat_put: trying to free free entry: c6cb9728
> 
> Well that's not very good.  Can you make an image of that floppy available for download?
> 
> Does 2.4's HFS driver work OK?

I will give that a try.
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      reply	other threads:[~2003-09-16 23:59 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-29  6:56 2.6.0-test4-mm3 Andrew Morton
2003-08-29  7:45 ` 2.6.0-test4-mm3 Andrew Morton
2003-08-29 15:42 ` 2.6.0-test4-mm3 Ed Sweetman
2003-08-29 15:57   ` 2.6.0-test4-mm3 Andrew Morton
2003-08-29 15:59   ` 2.6.0-test4-mm3 Felipe Alfaro Solana
2003-08-30  1:43 ` OOps in 2.6.0-test4-mm3-1 Mike Fedyk
2003-09-10 18:53 ` 2.6.0-test4-mm3 Mike Fedyk
2003-09-10 18:55   ` ide-scsi oops was: 2.6.0-test4-mm3 Mike Fedyk
2003-09-10 18:43     ` Andrew Morton
2003-09-10 19:10       ` Mike Fedyk
2003-09-11 15:24         ` Alan Cox
2003-09-10 20:04       ` Martin J. Bligh
2003-09-10 20:53         ` Paul Larson
2003-09-11  8:20         ` Jens Axboe
2003-09-11 15:12           ` Gerhard Mack
2003-09-11 21:52             ` Jens Axboe
2003-09-11 15:27           ` Alan Cox
2003-09-11 21:50             ` Jens Axboe
2003-09-11 18:13           ` Martin J. Bligh
2003-09-11 18:30             ` Mike Fedyk
2003-09-11 21:52             ` Jens Axboe
2003-09-16 21:41 ` OOps in HFS " Mike Fedyk
2003-09-16 21:40   ` Andrew Morton
2003-09-16 23:59     ` Mike Fedyk [this message]

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