From: Jiri Slaby <jirislaby@gmail.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Linux kernel mailing list <linux-kernel@vger.kernel.org>,
linux-usb-devel@lists.sourceforge.net
Subject: Re: rmmod uhci_hcd -> BUG: atomic counter underflow
Date: Mon, 12 Mar 2007 17:29:56 +0100 [thread overview]
Message-ID: <45F58004.3070001@gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0703121223150.2489-100000@iolanthe.rowland.org>
Alan Stern napsal(a):
> On Mon, 12 Mar 2007, Jiri Slaby wrote:
>> After rmmoding of uhci_hcd on fresh booted 2.6.21-rc3-mm2 I got this:
>>
>> BUG: atomic counter underflow at:
[...]
>> [<c01db754>] kobject_put+0x14/0x16
>> [<c01db8a3>] kobject_unregister+0x22/0x25
>> [<c024c987>] bus_remove_driver+0x75/0x82
>> [<c024d3b8>] driver_unregister+0xb/0x18
>> [<c01e7020>] pci_unregister_driver+0x13/0x73
>> [<f88dbbd9>] uhci_hcd_cleanup+0xd/0x2d [uhci_hcd]
[...]
> Would it be possible for you to add the atomic counter underflow check to
> 2.6.21-rc3 and see if the problem still occurs? If it doesn't, that's a
> good indication the USB stack isn't guilty -- the bus registration code
> hasn't changed for several kernel releases.
Yes.
regards,
--
http://www.fi.muni.cz/~xslaby/ Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
Hnus <hnus@fi.muni.cz> is an alias for /dev/null
next prev parent reply other threads:[~2007-03-12 16:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-12 16:10 rmmod uhci_hcd -> BUG: atomic counter underflow Jiri Slaby
2007-03-12 16:26 ` Alan Stern
2007-03-12 16:29 ` Jiri Slaby [this message]
2007-03-12 16:50 ` Jiri Slaby
2007-03-12 21:25 ` Alan Stern
2007-03-12 21:41 ` Greg KH
2007-03-12 22:22 ` Jiri Slaby
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