linux-kernel - Re: e1000e crashes with 2.6.34.x and ThinkPad T60

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 13 Aug 2010 03:25:51 +0200
From:	Marc Haber <mh+linux-kernel@...schlus.de>
To:	"Allan, Bruce W" <bruce.w.allan@...el.com>
Cc:	"Tantilov, Emil S" <emil.s.tantilov@...el.com>,
	Linux Kernel Developers <linux-kernel@...r.kernel.org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	"e1000-devel@...ts.sf.net" <e1000-devel@...ts.sf.net>
Subject: Re: e1000e crashes with 2.6.34.x and ThinkPad T60

Hi Bruce,

On Tue, Aug 10, 2010 at 09:34:52AM -0700, Allan, Bruce W wrote:
> We have had other recent reports of issues with this part that are due to
> ASPM L1 being enabled.  Would you please try disabling L1 after the driver
> is loaded as follows (assuming your adapter is still PCI bus/device/number
> 02:00.0 as indicated in the lspci output you provided earlier):
> 1) First check the hexadecimal value of the LnkCtl register -
> # setpci -s 2:0.0 0xf0
> 2) Disable ASPM (both L0s and L1) by zeroing out bits 0 and 1 in the value
> returned by the previous step.  For example, if it returned 42 (hex 42,
> that is) -
> # setpci -s 2:0.0 0xf0=0x40
> 3) Confirm ASPM is disabled by checking the output from lspci again.

It returned 42, and after setting 0x40, LnkCtl now says "ASPM Disabled".

I'll dock the system now and will report after the weekend or after
the first crash.

Greetings
Marc

-- 
-----------------------------------------------------------------------------
Marc Haber         | "I don't trust Computers. They | Mailadresse im Header
Mannheim, Germany  |  lose things."    Winona Ryder | Fon: *49 621 72739834
Nordisch by Nature |  How to make an American Quilt | Fax: *49 3221 2323190
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/