From: Alan Stern <stern@rowland.harvard.edu>
To: Dan Aloni <da-x@monatomic.org>
Cc: Linux Kernel List <linux-kernel@vger.kernel.org>,
<linux-usb-devel-bounces@lists.sourceforge.net>
Subject: Re: [linux-usb-devel] OOM and USB, latest Linux 2.6
Date: Sat, 17 Feb 2007 16:36:46 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.44L0.0702171634140.18992-100000@netrider.rowland.org> (raw)
In-Reply-To: <45D7462D.6080700@monatomic.org>
On Sat, 17 Feb 2007, Dan Aloni wrote:
> You are right, I looked over this state with kdb, and usb-storage
> waited in usb_stor_bulk_transfer_sg, which does pass GFP_NOIO
> at this scenario.
...
> BTW, soft-rebooting the machine in that state made the USB
> storage device (LEXAR, JD LIGHTNING II) inaccessible to the
> BIOS. I had to do a complete power cycle in order or the BIOS
> to see it again.
That's the fault of the BIOS and/or the Lexar device. The BIOS ought to
do a complete reset of the USB controller and a reset of the device. If
the device remains unusable after that, there isn't anything we can do
about it.
Alan Stern
prev parent reply other threads:[~2007-02-17 21:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-17 16:49 OOM and USB, latest Linux 2.6 Dan Aloni
2007-02-17 16:57 ` [linux-usb-devel] " Alan Stern
2007-02-17 18:15 ` Dan Aloni
2007-02-17 18:24 ` Dan Aloni
2007-02-17 21:36 ` Alan Stern [this message]
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