Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-09-09 Thread Lukas Kolbe
Am Donnerstag, den 09.09.2010, 04:23 +0100 schrieb Ben Hutchings: On Tue, 2010-09-07 at 13:25 +0200, Lukas Kolbe wrote: On Wed, 2010-09-01 at 05:26 +0100, Ben Hutchings wrote: On Tue, 2010-08-31 at 17:34 +0200, Lukas Kolbe wrote: On Tue, 2010-08-31 at 06:35 -0700, Greg KH wrote: [...]

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-09-08 Thread Ben Hutchings
On Tue, 2010-09-07 at 13:25 +0200, Lukas Kolbe wrote: On Wed, 2010-09-01 at 05:26 +0100, Ben Hutchings wrote: On Tue, 2010-08-31 at 17:34 +0200, Lukas Kolbe wrote: On Tue, 2010-08-31 at 06:35 -0700, Greg KH wrote: [...] Then how about convincing the Debian kernel developers to accept

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-09-07 Thread Lukas Kolbe
On Wed, 2010-09-01 at 05:26 +0100, Ben Hutchings wrote: On Tue, 2010-08-31 at 17:34 +0200, Lukas Kolbe wrote: On Tue, 2010-08-31 at 06:35 -0700, Greg KH wrote: [...] Then how about convincing the Debian kernel developers to accept these patches, and work through any regressions that

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-31 Thread Lukas Kolbe
Am Montag, den 30.08.2010, 10:21 -0700 schrieb Greg KH: On Mon, Aug 30, 2010 at 09:46:36AM -0700, David Miller wrote: From: Greg KH g...@kroah.com Date: Mon, 30 Aug 2010 07:50:17 -0700 As I stated above, I need the ACK from David to be able to add these patches. David? I

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-31 Thread Lukas Kolbe
Who's done the checks to find out any problems with these patches? I'll skim the changelogs in 2.6.3[345].x to see if there are any related patches. This is all I could find in current 2.6.36-rc2 (via git log | grep, minus rps/rfs patches). I don't know anything about these, but they sound

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-31 Thread Greg KH
On Tue, Aug 31, 2010 at 10:16:56AM +0200, Lukas Kolbe wrote: Am Montag, den 30.08.2010, 10:21 -0700 schrieb Greg KH: On Mon, Aug 30, 2010 at 09:46:36AM -0700, David Miller wrote: From: Greg KH g...@kroah.com Date: Mon, 30 Aug 2010 07:50:17 -0700 As I stated above, I need the ACK

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-31 Thread Lukas Kolbe
On Tue, 2010-08-31 at 06:35 -0700, Greg KH wrote: On Tue, Aug 31, 2010 at 10:16:56AM +0200, Lukas Kolbe wrote: Am Montag, den 30.08.2010, 10:21 -0700 schrieb Greg KH: On Mon, Aug 30, 2010 at 09:46:36AM -0700, David Miller wrote: From: Greg KH g...@kroah.com Date: Mon, 30 Aug 2010

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-31 Thread Ben Hutchings
On Tue, 2010-08-31 at 17:34 +0200, Lukas Kolbe wrote: On Tue, 2010-08-31 at 06:35 -0700, Greg KH wrote: [...] Then how about convincing the Debian kernel developers to accept these patches, and work through any regressions that might be found and after that, reporting back to us? Ben?

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-30 Thread Lukas Kolbe
On Thu, 2010-08-26 at 09:32 +0200, Lukas Kolbe wrote: Hi, 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:

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-30 Thread Greg KH
On Mon, Aug 30, 2010 at 03:59:57PM +0200, Lukas Kolbe wrote: On Thu, 2010-08-26 at 09:32 +0200, Lukas Kolbe wrote: Hi, 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

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-30 Thread Greg KH
On Mon, Aug 30, 2010 at 09:46:36AM -0700, David Miller wrote: From: Greg KH g...@kroah.com Date: Mon, 30 Aug 2010 07:50:17 -0700 As I stated above, I need the ACK from David to be able to add these patches. David? I believe there were some regressions caused by these changes that

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-26 Thread Lukas Kolbe
Hi all, 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

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-20 Thread Lukas Kolbe
Hi all, 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

Bug#592187: [stable] Bug#576838: virtio network crashes again

2010-08-19 Thread Greg KH
On Sun, Aug 15, 2010 at 09:37:34AM +0200, Lukas Kolbe wrote: 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

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

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; rdiff-backup

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 immediate)

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

2010-08-09 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

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: [

Bug#576838: virtio network crashes again

2010-08-07 Thread Ben Hutchings
On Sat, 2010-08-07 at 11:21 +0200, Lukas Kolbe wrote: Hi, I sent this earlier today but the bug was archived so it didn't appear anywhere, hence the resend. I believe this issue is not fixed at all in 2.6.32-18. We have seen this behaviour in various kvm guests using virtio_net with the

Bug#576838: virtio network crashes again

2010-08-07 Thread Lukas Kolbe
Am Samstag, den 07.08.2010, 12:18 +0100 schrieb Ben Hutchings: On Sat, 2010-08-07 at 11:21 +0200, Lukas Kolbe wrote: Hi, I sent this earlier today but the bug was archived so it didn't appear anywhere, hence the resend. I believe this issue is not fixed at all in 2.6.32-18. We have

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