Marcel Meckel | 1 Feb 01:58 2010
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Bug#526983: Soft Lockups in KVM guest related to r8169 transmit timeouts?

Hi,

contrary to my comment 38 in #526983 the issue seems not to be fixed
with latest kernel.

In fact, r8169 transmit timeout on host occurs the same time
as soft lockup in kvm guest occurs. from this time on the kvm
process runs at 100% on the host and programs such as top can't
be started anymore in kvm guest; shutdown of kvm guest doesn't
work eighter, only destroy works.

seems to be triggered when kvm guest has some more traffic than normal.

host:      lenny 64bit, linux-image-2.6.26-2-amd64  2.6.26-21 with kvm-72+dfsg-5~lenny4
kvm guest: lenny 32bit, linux-image-2.6.26-2-686    2.6.26-21

kvm guest started via

/usr/bin/kvm -S -M pc -m 2048 -smp 1 -name foobar -monitor pty -boot cd
             -drive file=/dev/vgdom/foobar,if=virtio,index=0,boot=on
             -drive file=/var/lib/libvirt/iso/grml-medium_2009.10.iso,if=virtio,media=cdrom,index=2
             -net nic,macaddr=54:52:00:00:74:01,vlan=0,model=virtio
             -net tap,fd=22,script=,vlan=0,ifname=vnet4
             -serial pty -parallel none -usb
             -vnc 127.0.0.1:74 -k de

Any ideas?

host systems /var/log/messages

(Continue reading)

Debian Bug Tracking System | 1 Feb 05:30 2010
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Processed: tagging 567204

Processing commands for control <at> bugs.debian.org:

> tags 567204 moreinfo
Bug #567204 [linux-2.6] linux-image-686-bigmem: serious filesystem corruption with bigmem kernels
Added tag(s) moreinfo.
> thanks
Stopping processing here.

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Debian Bug Tracking System | 1 Feb 07:03 2010
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Processed: forcibly merging 564861 566532, severity of 564861 is important, tagging 564861

Processing commands for control <at> bugs.debian.org:

> forcemerge 564861 566532
Bug#564861: 2.6.32-trunk-amd64: oopses if quota enabled
Bug#566532: linux-image-2.6.32-trunk-686: kernel BUG at /tmp/buildd/linux-2.6-2.6.32/debian/build/source_i386_none/fs/quota/dquot.c:1398!
Forcibly Merged 564861 566532.

> severity 564861 important
Bug #564861 [linux-2.6] 2.6.32-trunk-amd64: oopses if quota enabled
Bug #566532 [linux-2.6] linux-image-2.6.32-trunk-686: kernel BUG at /tmp/buildd/linux-2.6-2.6.32/debian/build/source_i386_none/fs/quota/dquot.c:1398!
Severity set to 'important' from 'normal'

Severity set to 'important' from 'normal'

> tags 564861 pending
Bug #564861 [linux-2.6] 2.6.32-trunk-amd64: oopses if quota enabled
Bug #566532 [linux-2.6] linux-image-2.6.32-trunk-686: kernel BUG at /tmp/buildd/linux-2.6-2.6.32/debian/build/source_i386_none/fs/quota/dquot.c:1398!
Ignoring request to alter tags of bug #564861 to the same tags previously set
Ignoring request to alter tags of bug #566532 to the same tags previously set
> thanks
Stopping processing here.

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Debian Bug Tracking System | 1 Feb 07:06 2010
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Processed: tagging 489139

Processing commands for control <at> bugs.debian.org:

> tags 489139 - fixed-upstream
Bug #489139 [linux-2.6] Removing AVM ISDN PCMCIA card from the slot freezes the system
Removed tag(s) fixed-upstream.
> thanks
Stopping processing here.

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Archive Administrator | 1 Feb 08:39 2010
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Incomplete upload found in Debian upload queue

Probably you are the uploader of the following file(s) in
the Debian upload queue directory:
  linux-2.6_2.6.32-6.diff.gz
  linux-2.6_2.6.32-6.dsc
This looks like an upload, but a .changes file is missing, so the job
cannot be processed.

If no .changes file arrives within 23:03:01, the files will be deleted.

If you didn't upload those files, please just ignore this message.

Greetings,

	Your Debian queue daemon (running on host ries.debian.org)

Debian Bug Tracking System | 1 Feb 09:51 2010
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Bug#563605: marked as done (linux-image-2.6.32-trunk-amd64: Intel VT flags missing on Q45 chipset)

Your message dated Mon, 1 Feb 2010 08:47:07 +0000
with message-id <20100201084707.GA4174 <at> lupin.powdarrmonkey.net>
and subject line Re: Bug#563605: linux-image-2.6.32-trunk-amd64: Intel VT flags missing on Q45 chipset
has caused the Debian Bug report #563605,
regarding linux-image-2.6.32-trunk-amd64: Intel VT flags missing on Q45 chipset
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner <at> bugs.debian.org
immediately.)

--

-- 
563605: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=563605
Debian Bug Tracking System
Contact owner <at> bugs.debian.org with problems
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From: Jonathan Wiltshire <debian <at> jwiltshire.org.uk>
Subject: linux-image-2.6.32-trunk-amd64: Intel VT flags missing on Q45 chipset
Date: 2010-01-04 00:39:00 GMT
(Continue reading)

Ben Hutchings | 1 Feb 11:43 2010
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Bug#563605: linux-image-2.6.32-trunk-amd64: Intel VT flags missing on Q45 chipset

On Mon, 2010-02-01 at 08:47 +0000, Jonathan Wiltshire wrote:
> On Tue, Jan 05, 2010 at 02:53:57AM +0000, Ben Hutchings wrote:
> > According to <http://ark.intel.com/Product.aspx?id=36500#specs>, there
> > are some variants of the E7400 which do not support VT-x.  These are
> > distinguished by 'Ordering Code' and 'SPEC Code'; I assume one or both
> > of these codes are shown on the processor packaging.  Please check
> > whether you have one of these variants.
> 
> Sadly I can't find the original box (I suspect it's been thrown away in a
> fit of tidying over the holiday) so I can't be sure about which processor I
> have, but looking at the original invoice there's a good chance it's the
> cheapest of the lot, which doesn't have vmx.
> 
> Thanks for the specs page, which I hadn't seen, and sorry for wasting your
> time,

There is another thing you could check.  Apparently on some BIOSes you
need to enable Trusted Execution for VT-x to work.

Ben.

--

-- 
Ben Hutchings
Beware of programmers who carry screwdrivers. - Leonard Brandwein
Archive Administrator | 1 Feb 13:15 2010
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Processing of linux-2.6_2.6.32-6_multi.changes

linux-image-2.6.32-1-486_2.6.32-6_i386.deb has incorrect size; deleting it
Due to the errors above, the .changes file couldn't be processed.
Please fix the problems for the upload to happen.

Greetings,

	Your Debian queue daemon (running on host ries.debian.org)

Debian Bug Tracking System | 1 Feb 14:12 2010
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Processed: severity of 563941 is important

Processing commands for control <at> bugs.debian.org:

> severity 563941 important
Bug #563941 [linux-image-2.6.26-2-686] linux-image-2.6.26-2-686: unexpected system hangups
Severity set to 'important' from 'grave'

> thanks
Stopping processing here.

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Debian Bug Tracking System | 1 Feb 14:12 2010
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Processed: Re: Bug#550975: OpenVZ - deb-packages

Processing commands for control <at> bugs.debian.org:

> tags 550975 -patch
Bug #550975 [linux-2.6] linux-2.6: Add ppp support in openvz flavor
Removed tag(s) patch.
> stop
Stopping processing here.

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Gmane