From: Pavel Machek <pavel@ucw.cz>
To: Wilmer van der Gaast <wilmer@gaast.net>
Cc: Yinghai Lu <yinghai@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Rafael Wysocki <rafael.j.wysocki@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Machine crashes right *after* ~successful resume
Date: Mon, 27 Oct 2014 22:21:55 +0100 [thread overview]
Message-ID: <20141027212155.GB3755@amd> (raw)
In-Reply-To: <544E235C.5010908@gaast.net>
On Mon 2014-10-27 10:50:04, Wilmer van der Gaast wrote:
> Hello Yinghai,
>
> Thanks again for your time!
>
> I've applied your two patches, and as a wild guess also added pci=dump to my
> kernel cmdline though I guess that just gave me a boot-time dump - which
> mostly didn't make it into my dmesg.
>
> I accidentally booted with no_console_suspend on the first run, which still
> caused no output at all on the failed resume. I'm including the output of
> that anyway, but also I have a run with that flag removed, and annoyingly
> the crash appears to happen before the dump during the crash finishes -
> while dumping info for this device, it seems:
>
> 04:00.0 PCI bridge: Integrated Technology Express, Inc. Device 8892 (rev 10)
> (prog-if 01 [Subtractive decode])
>
> (More info in my lspci.txt)
>
> Wondering what device that is exactly, I stumbled upon
> http://sourceforge.net/p/linux1394/mailman/message/29755048/ where someone
> describes it as a "cheap and crappy PCI bridge". More and more I wonder if I
> should just buy a new motherboard - sadly this one wasn't even that
> cheap.
It is probably not just you that is affected, and we already know what
change broke it. So we really should fix it.
> :-( Though I don't know if the output stopping while dumping output for this
> device means that it is the culprit, is printk() to the serial console in
> any way blocking/buffered?
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2014-10-27 21:21 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-07 23:20 Machine crashes right *after* ~successful resume Wilmer van der Gaast
2014-10-12 14:30 ` Pavel Machek
2014-10-12 15:49 ` Wilmer van der Gaast
2014-10-12 20:40 ` Pavel Machek
2014-10-12 23:47 ` Wilmer van der Gaast
2014-10-13 15:06 ` Rafael J. Wysocki
2014-10-15 11:16 ` Wilmer van der Gaast
2014-10-15 13:58 ` Bjorn Helgaas
2014-10-15 18:39 ` Yinghai Lu
2014-10-15 23:34 ` Wilmer van der Gaast
2014-10-16 4:32 ` Yinghai Lu
2014-10-16 9:36 ` Wilmer van der Gaast
2014-10-16 16:36 ` Yinghai Lu
2014-10-16 21:08 ` Wilmer van der Gaast
2014-10-18 21:28 ` Yinghai Lu
2014-10-18 23:57 ` Wilmer van der Gaast
2014-10-19 4:29 ` Yinghai Lu
2014-10-19 10:48 ` Wilmer van der Gaast
2014-10-21 21:40 ` Wilmer van der Gaast
2014-10-21 23:15 ` Yinghai Lu
2014-10-22 12:53 ` Wilmer van der Gaast
2014-10-26 21:53 ` Yinghai Lu
2014-10-27 10:50 ` Wilmer van der Gaast
2014-10-27 18:23 ` Yinghai Lu
2014-10-27 22:22 ` Wilmer van der Gaast
2014-10-27 23:41 ` Yinghai Lu
2014-10-28 0:03 ` Wilmer van der Gaast
2014-10-28 1:12 ` Yinghai Lu
2014-10-28 4:03 ` Yinghai Lu
2014-10-28 10:23 ` Wilmer van der Gaast
2014-10-28 23:34 ` Wilmer van der Gaast
2014-10-29 5:17 ` Yinghai Lu
2014-10-29 9:37 ` Wilmer van der Gaast
2014-10-30 0:53 ` Yinghai Lu
2014-10-30 10:36 ` Wilmer van der Gaast
2014-10-30 16:57 ` Yinghai Lu
2014-10-30 21:54 ` Wilmer van der Gaast
2014-10-30 23:02 ` Yinghai Lu
2014-10-30 23:24 ` Wilmer van der Gaast
2014-10-31 0:43 ` Yinghai Lu
2014-10-31 2:13 ` Yinghai Lu
2014-10-31 9:39 ` Wilmer van der Gaast
2014-10-31 16:11 ` Yinghai Lu
2014-10-31 21:13 ` Wilmer van der Gaast
2014-10-31 21:22 ` Yinghai Lu
2014-10-31 23:18 ` Yinghai Lu
2014-11-01 0:00 ` Wilmer van der Gaast
2014-11-01 2:10 ` Yinghai Lu
2014-11-02 23:16 ` Wilmer van der Gaast
2014-10-27 21:21 ` Pavel Machek [this message]
2014-10-19 8:07 ` Pavel Machek
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