linux-kernel - Re: Machine crashes right *after* ~successful resume

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Date:	Tue, 28 Oct 2014 22:17:52 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Wilmer van der Gaast <wilmer@...st.net>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Pavel Machek <pavel@....cz>,
	Rafael Wysocki <rafael.j.wysocki@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Machine crashes right *after* ~successful resume

On Tue, Oct 28, 2014 at 4:34 PM, Wilmer van der Gaast <wilmer@...st.net> wrote:
>
> I've run the commands twice, once before and once after a single
> suspend+resume cycle. Small difference and only before that cycle:
>
> ruby:~/crashit# diff -u lspcixx-*
> --- lspcixx-nopatch.txt 2014-10-28 23:26:08.679690828 +0000
> +++ lspcixx-patched.txt 2014-10-28 23:10:05.391896757 +0000
> @@ -92,10 +92,10 @@
>  2f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>  300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>  310: 00 00 00 00 1b 36 3a 74 00 00 14 14 31 17 42 00
> -320: 5b 60 09 00 00 20 00 0a 08 10 b8 04 07 00 d5 0c
> +320: 5b 60 09 00 00 20 00 0a 90 10 b8 04 8f 00 5d 0d
>  330: 16 00 00 28 bc b5 bc 4a 00 00 00 00 74 4c 85 00
> -340: 33 03 33 00 64 03 3f 00 30 00 0c 00 f8 07 d5 00
> -350: fe 07 dd 00 01 00 08 00 00 00 00 00 00 00 00 00
> +340: 33 03 33 00 64 03 3f 00 30 00 0c 00 f8 07 5d 00
> +350: fe 07 65 00 01 00 08 00 00 00 00 00 00 00 00 00
>  360: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>  370: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>  380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> (Diff is in the Intel device, not the ITE one.)
>

That is strange.

Anyway please try attached patched on top of 3.17.

Thanks

Yinghai

View attachment "debug_suspend_resume_z_xx.patch" of type "text/x-patch" (511 bytes)