Re: [linux-usb-devel] can't suspend on vaio sz (rc4 and rc5 are ok)[was Re: 2.6.22-rc4-mm2]

From: Alan Stern
Date: Wed Jun 20 2007 - 10:01:50 EST


On Wed, 20 Jun 2007, Mattia Dongili wrote:

> On Wed, Jun 06, 2007 at 10:03:13PM -0700, Andrew Morton wrote:
> >
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc4/2.6.22-rc4-mm2/
>
> Hello,
> on this vaio sz72b I can't suspend if usb-storage is loaded. Bisecting
> is becoming troublesome as different sets have slightly different
> problems.
> At one point (with the GREGKH usb stuff built) I had the kernel
> reporting it cannot stop the usb-storage thread so I guess that
> something later in the series made things worse (freezable workqueues?).
>
> Clues?

The usb-storage thread is supposed to be unfreezable. Recent changes
may have messed up the code that checks for which threads need to be
frozen and which don't.

Alan Stern

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