lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Wed, 11 Nov 2009 22:18:50 +0100
From:	"Rafael J. Wysocki" <>
To:	Linus Torvalds <>
Cc:	Marcel Holtmann <>,
	Thomas Gleixner <>,
	Mike Galbraith <>, Ingo Molnar <>,
	LKML <>,
	pm list <>,
	Greg KH <>,
	Jesse Barnes <>,
	Tejun Heo <>, Oleg Nesterov <>,
	Oliver Neukum <>,
Subject: Re: GPF in run_workqueue()/list_del_init(cwq-> on resume (was: Re: Help needed: Resume problems in 2.6.32-rc, perhaps related to preempt_count leakage in keventd)

On Wednesday 11 November 2009, Linus Torvalds wrote:
> On Wed, 11 Nov 2009, Marcel Holtmann wrote:
> > 
> > As it seems the btusb_close() only cancels the work workqueue and not
> > the waker workqueue. Could that be the problem.
> It's the waker workqueue that Rafael apparently sees with the debug patch 
> from Oleg, so yeah, that sounds possible.
> Rafael, since apparently htusb_close() _is_ called, does the following 
> simpler patch fix it for you? I bet your patch does it too.

Yes and yes.

And in fact this is a post-2.6.31 regression introduced by commit
7bee549e197c9c0e92b89857a409675c1d5e9dff (Bluetooth: Add USB autosuspend
support to btusb driver).

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists