From: James Bottomley <James.Bottomley@SteelEye.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: SCSI development list <linux-scsi@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>,
USB development list <linux-usb-devel@lists.sourceforge.net>
Subject: Re: [linux-usb-devel] Fw: [Bug 3466] New: Bug while connecting USB-HDD (fwd)
Date: 26 Sep 2004 18:05:40 -0400 [thread overview]
Message-ID: <1096236347.10924.97.camel@mulgrave> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0409261704460.32350-100000@netrider.rowland.org>
On Sun, 2004-09-26 at 17:06, Alan Stern wrote:
> Andrew sent this to linus-usb-devel, but it should have gone to
> linux-scsi.
There's not enough information to say why it happened. However, all the
SCSI code checks out (it's dated ... open coded reference counting
instead of kref, but it looks sound). The scenario described could be
seen if there's a problem in the host reference counting.
In that case, there should have been a slab error earlier on in the logs
at the point the error occurred saying something like "slab error in
kmem_cache_destory(): can't free all objects"
It's possible this could be caused by a refcounting race on the
commands.
James
next prev parent reply other threads:[~2004-09-26 22:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-26 21:06 [linux-usb-devel] Fw: [Bug 3466] New: Bug while connecting USB-HDD (fwd) Alan Stern
2004-09-26 22:05 ` James Bottomley [this message]
2004-09-28 16:40 ` James Bottomley
2004-09-28 22:02 ` Sacher Khoudari
2004-09-29 17:31 ` Alan Stern
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