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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Andrey Borzenkov <arvidjaar@mail.ru>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-usb@vger.kernel.org, Alan Stern <stern@rowland.harvard.edu>
Subject: Re: 2.6.27-rc2: unable to suspend - one task not freezed
Date: Sat, 9 Aug 2008 23:53:55 +0200	[thread overview]
Message-ID: <200808092353.56006.rjw@sisk.pl> (raw)
In-Reply-To: <200808091018.32053.arvidjaar@mail.ru>

On Saturday, 9 of August 2008, Andrey Borzenkov wrote:
> 2.6.27-rc2 + unrevert of e872154921a6b5256a3c412dd69158ac0b135176
> (USB: don't explicitly reenable root-hub status interrupts) + fix
> of above from Alan Stern (OHCI: fix system hang caused by earlier patch).

Why do you have to unrevert commit e872154921a6b5256a3c412dd69158ac0b135176
exactly?

> System cannot be suspended - some task cannot be freezed. I think it is
> khubd ...

Yes, it is.

It looks like khubd is running in a loop without checking TIF_FREEZE.

> dmesg and config attached.

Hm.  Is this 100% reproducible?

Rafael

  reply	other threads:[~2008-08-09 21:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-09  6:18 Andrey Borzenkov
2008-08-09 21:53 ` Rafael J. Wysocki [this message]
2008-08-10  6:40   ` Andrey Borzenkov
2008-08-10 10:49   ` Andrey Borzenkov

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