linux-kernel - Re: S2RAM broken on HP 8530p

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Date:	Thu, 1 Apr 2010 23:52:18 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Parag Warudkar <parag.lkml@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: S2RAM broken on HP 8530p

On Thursday 01 April 2010, Parag Warudkar wrote:
> 
> On Thu, 1 Apr 2010, Rafael J. Wysocki wrote:
> 
> > Please try:
> > 
> > # echo devices > /sys/power/pm_test
> > # echo mem > /sys/power/state
> > 
> > and see if that breaks too (it should get back to the command line in about
> > 5-10 seconds).
> 
> That breaks too - hangs similarly during suspend. I enabled RTC tracing 
> and every time it prints out different hash matches after reboot - 
> tty/tty21, pcie04  and latest is 
> 
> [    0.865296] pcieport 0000:00:1c.1: hash matches
> 
> Also when the suspend fails the immediate boot after that I get a USB 
> error on startup - unable to enumerate usb device on port 1. This error is 
> not present on normal boots.

Well, try the above with the USB controller drivers unloaded.

Rafael
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