Messages in this thread | | | Date | Sat, 19 Apr 2008 21:54:44 -0500 | From | Jay Cliburn <> | Subject | Re: atl1 64-bit => 32-bit DMA borkage (reproducible, bisected) |
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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?
Jay
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