On Sat, Apr 19, 2008 at 09:54:44PM -0500, Jay Cliburn wrote:
quoted text
> On Sat, 19 Apr 2008 18:45:35 +0400
> Alexey Dobriyan <adobriyan@gmail.com> wrote:
> 
> > OK, nailed it.
> > 
> > It's commit 5f08e46b621a769e52a9545a23ab1d5fb2aec1d4 aka "atl1:
> > disable broken 64-bit DMA".
> > 
> > With this commit in tree, I can reproduce either
> > a) kmalloc-2048 corruption after initscripts shutdown eth0
> > 	http://marc.info/?l=linux-kernel&m=120820360221261&w=2
> > 
> > b) or oopses at filp_close() first reported long ago
> > 	(sorry, can't find that email)
> > 
> > c) or hard hang after initscripts shutdown eth0 with even SysRq not
> > working. http://marc.info/?l=linux-kernel&m=120795046008115&w=2
> > 
> > I have two boxes one with atl1, 4G RAM with 2G remapped after 4G
> > boundary, another with r8169 connected with just ethernet cable. NICs
> > agree on 1Gbps speed.
> > 
> > So, it's enough to scp 200 MB git archive and immediately start
> > rebooting sequence for horrors described above to appear. It's not
> > 100% reproducible but more like 90%.
> 
> Do I understand correctly that these failures occur only while the
> network interface is going down?

Yep. During up or running there were no problems with this card.

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