Bug#592187: Bug#576838: virtio network crashes again

2010-08-15 Thread Lukas Kolbe
Hi Ben, Greg, I was finally able to identify the patch series that introduced the fix (they were introduced to -stable in 2.6.33.2): cb63112 net: add __must_check to sk_add_backlog a12a9a2 net: backlog functions rename 51c5db4 x25: use limited socket backlog c531ab2 tipc: use limited socket backl

Bug#592187: Bug#576838: virtio network crashes again

2010-08-11 Thread Lukas Kolbe
Am Mittwoch, den 11.08.2010, 04:13 +0100 schrieb Ben Hutchings: > On Mon, 2010-08-09 at 11:24 +0200, Lukas Kolbe wrote: > > So, testing begins. > > > > First conclusion: not all traffic patterns produce the page allocation > > failure. rdiff-backup only writing to an nfs-share does no harm; > > rd

Bug#592187: Bug#576838: virtio network crashes again

2010-08-10 Thread Ben Hutchings
On Mon, 2010-08-09 at 11:24 +0200, Lukas Kolbe wrote: > So, testing begins. > > First conclusion: not all traffic patterns produce the page allocation > failure. rdiff-backup only writing to an nfs-share does no harm; > rdiff-backup reading and writing (incremental backup) leads to (nearly > immed

Bug#592187: Bug#576838: virtio network crashes again

2010-08-09 Thread Lukas Kolbe
Okay, next round: This time, 2.6.32-19 and virtio in guest, 2.6.32-18 in the host and sadly, it's not fixed: [ 159.772700] rdiff-backup.bi: page allocation failure. order:0, mode:0x20 [ 159.772708] Pid: 2524, comm: rdiff-backup.bi Not tainted 2.6.32-5-amd64 #1 [ 159.772710] Call Trace: [ 159.7

Bug#592187: Bug#576838: virtio network crashes again

2010-08-09 Thread Lukas Kolbe
So, testing begins. First conclusion: not all traffic patterns produce the page allocation failure. rdiff-backup only writing to an nfs-share does no harm; rdiff-backup reading and writing (incremental backup) leads to (nearly immediate) error. The nfs-share is always mounted with proto=tcp and n

Bug#592187: Bug#576838: virtio network crashes again

2010-08-09 Thread Lukas Kolbe
Hi Ben, Am Sonntag, den 08.08.2010, 03:36 +0100 schrieb Ben Hutchings: > This is not the same bug as was originally reported, which is that > virtio_net failed to retry refilling its RX buffer ring. That is > definitely fixed. So I'm treating this as a new bug report, #592187. Okay, thanks. >

Bug#592187: Bug#576838: virtio network crashes again

2010-08-07 Thread Ben Hutchings
This is not the same bug as was originally reported, which is that virtio_net failed to retry refilling its RX buffer ring. That is definitely fixed. So I'm treating this as a new bug report, #592187. On Sat, 2010-08-07 at 18:17 +0200, Lukas Kolbe wrote: > Am Samstag, den 07.08.2010, 12:18 +0100