From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Jenkins Subject: Re: BISECTED: 2.6.29-rc2 regression: hibernation hang on eeepc-701 Date: Fri, 23 Jan 2009 09:45:48 +0000 Message-ID: <497991CC.9030200@tuffmail.co.uk> References: <9b2b86520901180345j434eacbdn7386958991ee50b@mail.gmail.com> <200901221344.16178.rjw@sisk.pl> <49787339.7080900@tuffmail.co.uk> <200901222305.25824.rjw@sisk.pl> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:received:received:sender:message-id:date:from :user-agent:mime-version:to:cc:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=nc7jWnV+YFDZJwx/zw/xzezmftbJfzgyeCnnhmZLwHo=; b=f65faylYAWmUFqJ0aIbB0t3Kcxo9I/MdgK3TXFVfIQNAB2XliKKEOa6UhlEwKQ4adr mA97Ofcl+3fC97aPwOfNkj3U83clo53YJnLaOb6SbzhOIdSTGaliU/YG5j/5bB7jtTI7 LcJsKAC/54V8b1ZHpKeIhefsIOzHcCGJwUqzM= In-Reply-To: <200901222305.25824.rjw-KKrjLPT3xs0@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: "Rafael J. Wysocki" Cc: kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Pavel Machek , Jesse Barnes Rafael J. Wysocki wrote: > On Thursday 22 January 2009, Alan Jenkins wrote: > >> Rafael J. Wysocki wrote: >> >>> On Thursday 22 January 2009, Alan Jenkins wrote: >>> >>> >>>> Alan Jenkins wrote: >>>> >>>> >>>>> Hibernation hangs just after writing the image. With s2disk I can see >>>>> this from the console messages. The same hang happens with kernel >>>>> swsusp ('echo disk | sudo tee /sys/power/state'), and I can see that >>>>> the image has been written from the HDD led. >>>>> >>>>> In either case, I can still hard-power-off and resume from hibernation. >>>>> >>>>> It doesn't hang if I use the shutdown method (either 'echo shutdown | >>>>> sudo tee /sys/power/disk' or 's2disk -P "shutdown method=shutdown"'). >>>>> >>>>> >>>>> >>>> I've bisected this to commit 571ff7584bb9e05fca0eb79752ae55a46faf3a98. >>>> It doesn't revert cleanly from RC2. >>>> >>>> I think it's distinct from the other two reported suspend regressions. >>>> I'm not using acpi-cpufreq, and the issue doesn't affect resume. >>>> >>>> >>> It looks distinct. >>> >>> Do you suspend this box to RAM and does it work? >>> >>> >> Yes, I do use STR on it occasionally, and it still works in RC2. >> >> >>> Please retest with the appended patch applied. >>> >>> >> That fixes it. >> > > OK, it won't hurt to apply it. > > Still, the hardware or the BIOS in your box seems to be broken, or both, so I'd > like to debug it a bit more if you don't mind. > > Can you please test the patch below instead of the previous one? > It hangs at the same point as the unpatched RC2. As before, it doesn't hang if I use "shutdown" instead of "platform". Going by sysfs, I have 4 PCI devices without a kernel driver. 8086:2592 Mobile 915 Express Graphics Controller 8086:2792 Mobile 915 Express Graphics Controller (driven by X) 8086:2448 82801 Mobile PCI Bridge 8086:2641 82801FBM (ICH6M) LPC Interface Bridge Thanks Alan