* intelligent CLS kills qemu's 8139cp
@ 2009-12-18 13:49 Alexey Dobriyan
2009-12-18 17:28 ` Jesse Barnes
0 siblings, 1 reply; 2+ messages in thread
From: Alexey Dobriyan @ 2009-12-18 13:49 UTC (permalink / raw)
To: jbarnes, tj; +Cc: linux-kernel, linux-pci, linux-netdev
After this patch qemu's 8139cp won't be initialized resulting in no network.
It einvals in pci_set_cacheline_size() where pci_cache_line_size=0
PCI: CLS 0 bytes, default 32
ac1aa47b131416a6ff37eb1005a0a1d2541aad6c is first bad commit
commit ac1aa47b131416a6ff37eb1005a0a1d2541aad6c
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Mon Oct 26 13:20:44 2009 -0700
PCI: determine CLS more intelligently
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: intelligent CLS kills qemu's 8139cp
2009-12-18 13:49 intelligent CLS kills qemu's 8139cp Alexey Dobriyan
@ 2009-12-18 17:28 ` Jesse Barnes
0 siblings, 0 replies; 2+ messages in thread
From: Jesse Barnes @ 2009-12-18 17:28 UTC (permalink / raw)
To: Alexey Dobriyan; +Cc: tj, linux-kernel, linux-pci, linux-netdev
On Fri, 18 Dec 2009 15:49:18 +0200
Alexey Dobriyan <adobriyan@gmail.com> wrote:
> After this patch qemu's 8139cp won't be initialized resulting in no
> network. It einvals in pci_set_cacheline_size() where
> pci_cache_line_size=0
>
> PCI: CLS 0 bytes, default 32
>
> ac1aa47b131416a6ff37eb1005a0a1d2541aad6c is first bad commit
> commit ac1aa47b131416a6ff37eb1005a0a1d2541aad6c
> Author: Jesse Barnes <jbarnes@virtuousgeek.org>
> Date: Mon Oct 26 13:20:44 2009 -0700
>
> PCI: determine CLS more intelligently
My for-linus branch has
commit 2820f333e3b4ad96590093efbed7b3400bcf492b
Author: Csaba Henk <csaba@gluster.com>
Date: Tue Dec 15 17:55:25 2009 +0530
PCI: Handle case when no pci device can provide cache line size hint
which may fix this issue. You can grab my tree from
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
Jesse
--
Jesse Barnes, Intel Open Source Technology Center
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