linux-kernel - Re: Regression of v4.6-rc vs. v4.5: hangs after a few minutes after boot

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Message-ID: <20160426210722.4993a73e@kant>
Date:	Tue, 26 Apr 2016 21:07:22 +0200
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	linux-kernel@...r.kernel.org
Subject: Re: Regression of v4.6-rc vs. v4.5: hangs after a few minutes after
 boot

On Apr 26 Stefan Richter wrote:
> v4.6-rc solidly hangs after a short while after boot, login to X11, and
> doing nothing much remarkable on the just brought up X desktop.
> 
> Hardware: x86-64, E3-1245 v3 (Haswell),
>           mainboard Supermicro X10SAE,
>           using integrated Intel graphics (HD P4600, i915 driver),
>           C226 PCH's AHCI and USB 2/3, ASMedia ASM1062 AHCI,
>           Intel LAN (i217, igb driver),
>           several IEEE 1394 controllers, some of them behind
>           PCIe bridges (IDT, PLX) or PCIe-to-PCI bridges (TI, Tundra)
>           and one PCI-to-CardBus bridge (Ricoh)
> 
> kernel.org kernel, Gentoo Linux userland
> 
> 1. known good:  v4.5-rc5 (gcc 4.9.3)
>    known bad:   v4.6-rc2 (gcc 4.9.3), only tried one time
> 
> 2. known good:  v4.5.2 (gcc 5.2.0)
>    known bad:   v4.6-rc5 (gcc 5.2.0), only tried one time
> 
> I will send my linux-4.6-rc5/.config in a follow-up message.
> 
> In theory I could collect more info (simplify the hardware, run
> netconsole, bisect).  In practice I cannot do so for the the time being
> due to lack of spare time.  That's also the reason why I did not already
> send a report when I tested v4.6-rc2, and why I did not boot v4.6-rc[25]
> more than once yet.

Attached: lspci -vvnn, obtained while on the good v4.5.2
-- 
Stefan Richter
-======----- -=-- ==-=-
http://arcgraph.de/sr/

View attachment "lspci-vvnn" of type "text/plain" (97655 bytes)