From: Ben Hutchings <ben@decadent.org.uk>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: 570268@bugs.debian.org, Dale Schroeder <dale@texasbb.com>,
netdev@vger.kernel.org
Subject: Re: sky2 fails when memory exceeds 2GB on amd64 kernel
Date: Sun, 21 Feb 2010 02:06:06 +0000 [thread overview]
Message-ID: <1266717966.24602.14.camel@localhost> (raw)
In-Reply-To: <4B7F52E0.2010303@texasbb.com>
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Stephen,
Debian received this bug report on sky2:
Dale Schroeder wrote:
> No matter what brand, size, or speed of ddr2 RAM I try, I cannot
> successfully boot when the installed memory is greater than 2GB.
> The system is an Acer Aspire M1100 with the most recent BIOS. I have
> tried with kernels 2.6.32-5 and 2.6.30-8squeeze1.
>
> During the boot sequence, sky2 fails with a 0x2010 pci error; then
> several programs slowly load until dmsg appears, at which time the
> screen fills with hexadecimal errors similar to those in this debian bug
> thread:
>
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=457967
>
> Disabling the network interface in the BIOS allows bootup to finish,
> although some programs fail to load due to the missing network connection.
> Decreasing the RAM to 2GB returns booting to normal.
>
> I've seen numerous references to bugs with this network hardware and the
> amd64 kernel, but none related to adding extra memory. I am unaware as
> to how I can capture the errors, since I cannot finish the boot process
> when the errors happen.
Further information:
> I tested another network card, a Netgear GA311 which uses the r8169 driver.
> With this card, all 4GB of memory is recognized and the system
> successfully boots.
> This would seem to rule out the BIOS and points to sky2 on the Marvell
> m/b chip
> being my problem.
>
> Obviously, the new card doesn't resolve the bug, but it does solve my
> problem.
Does this sound like a plausible symptom of the bugs fixed by:
f6815077e75c5b7f55b56fc3788e328514d4e72a sky2: fix transmit DMA map leakage
3fbd9187d004149fb8a98c9cb51ef9f4a4f66aca sky2: hand receive DMA mapping failures
In any case, are the above suitable for 2.6.32-stable (once merged by
Linus)?
Ben.
--
Ben Hutchings
73.46% of all statistics are made up.
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parent reply other threads:[~2010-02-21 2:06 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <4B7F52E0.2010303@texasbb.com>]
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