** Changed in: nova
Milestone: None => kilo-2
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https://bugs.launchpad.net/bugs/1368815
Title:
qemu-img convert intermittently corrupts output images
Status in Cinder:
Triaged
St
** Changed in: cinder
Assignee: (unassigned) => Tony Breeds (o-tony)
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Title:
qemu-img convert intermittently corrupts output ima
Patchg 0500-block-raw-posix-Try-both-FIEMAP-and-SEEK_HOLE.patch appears
to be part of a bigger re-write of the related code. and is ON TOP of
the patches already applied in this bug.
No doubt the rewirtten code is "better" but backporting it contains more risk
than the 2 simple fixes I already
I'm happy to tackle to also fix cinder with a version of the nova fix
(for consistency). I propose waiting until the nova fix lands
** Changed in: cinder
Assignee: (unassigned) => Tony Breeds (o-tony)
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I'd elevate this to high so it matches nova and ubuntu but I don't have
permissions to do so.
** Changed in: cinder
Status: New => In Progress
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Chris,
I've read through 1292234 and I'll have a play with your reproducer locally and
see if I can gain any insight.
I'm sorry my fix didn't help 1292234, but glad you can't hit 1368815
with upstream, I was kinda having kittens here ;P
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Hi Chris,
Markus' rework will not reintroduce this bug as it completely removes all
fiemap code.
bug 129224 is a different issue, I'll comment on that bug.
You say: you encounter issues with upstream with ^extent and ext3
filesystems. Just to be clear: Are you saying that *this* bug is still
a
On Mon, Dec 08, 2014 at 09:48:12AM +, Daniel P. Berrange wrote:
> My long term desired approach to deal with this problem in OpenStack (and
> other libvirt based mgmt apps) is to have a separate log daemon in libvirt
> eg a virtlogd daemon. Take QEMU out of the business of writing to files
>
On Fri, Dec 05, 2014 at 11:09:02PM +0100, Paolo Bonzini wrote:
> I think so. Should it reopen stdout/stderr too?
Thanks for the feedback I'm gald it's something that isn't a clearly terrible
idea.
I don't think that's required for my use case, but it's not all about me. If
that's something pe
Hi All,
Openstcak (Nova) has had an issue for a longish time where a running
instance (qemu via libvirt) which has a file based console can fill the disk of
the hypervisor causing all guests to stall.
I'm looking at ways to fix this. Clearly it can be done in openstack wothout
changing qemu b
On Thu, Nov 27, 2014 at 06:00:38PM +0100, Paolo Bonzini wrote:
> You're right. It's just that the API should be private to
> qemu-timer.c, it is not meant for external usage---and it is messy
> because get_clock_realtime() is for QEMU_CLOCK_HOST.
Somehow this got horrendously lost.
> In addition
On Wed, Nov 26, 2014 at 03:01:01PM +0100, Paolo Bonzini wrote:
> Use the external qemu-timer API instead.
Perhaps it's obvious but is it reasonable to expand on why you're doign this in
the commit message?
Yours Tony.
pgpbbAXtQoPFT.pgp
Description: PGP signature
Awesome.
Thanks!
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https://bugs.launchpad.net/bugs/1368815
Title:
qemu-img convert intermittently corrupts output images
Status in OpenStack Compute (Nova):
In Progress
Status in QE
Hi Serge,
Is there any chance these fixes will go into trusty?
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Title:
qemu-img convert intermittently corrupts output images
Status in OpenS
On Tue, Nov 18, 2014 at 03:55:07PM +0800, li wrote:
> Hi all,
>
> i use qemu-system-x86_64 to run windows 7, and fund that "mute/unmute" button
> in the right bottom of guest desktop not work.
>
> related info is as below:
>
> $qemu-system-x86_64 --version
> QEMU emulator version 1.4.0, Copy
FWIW the following 2 commits in qemu master resolve the issue for qemu-
img.
http://git.qemu.org/?p=qemu.git;a=commit;h=38c4d0aea3e1264c86e282d99560330adf2b6e25
http://git.qemu.org/?p=qemu.git;a=commit;h=7c15903789953ead14a417882657d52dc0c19a24
If possible they should be back ported to trus
openstack review at:
https://review.openstack.org/#/c/123957/
Qemu patches at:
http://patchwork.ozlabs.org/patch/393494/ ; and
http://patchwork.ozlabs.org/patch/393495/
** Changed in: nova
Assignee: (unassigned) => Tony Breeds (o-tony)
** Changed in: qemu
Status: New =&
On Fri, Sep 26, 2014 at 11:09:30AM -0600, Eric Blake wrote:
> [you buried your patches in deep reply to a longer thread, making them
> harder to find; in the future, you can just send a v2 as a new top-level
> thread]
Thanks. I'll remember that next time.
Tony.
pgpqvgudi2tHf.pgp
Description:
try_fiemap() uses FIEMAP_FLAG_SYNC which has a significant performance
impact.
Prefer seek_hole() over fiemap() to avoid this impact where possible.
seek_hole is more widely used and, arguably, has potential to be
optimised in the kernel.
Reported-By: Michael Steffens
Signed-off-by: Tony Breeds
Using fiemap without FIEMAP_FLAG_SYNC is a known corrupter.
Add the FIEMAP_FLAG_SYNC flag to the FS_IOC_FIEMAP ioctl. This has
the downside of significantly reducing performance.
Reported-By: Michael Steffens
Signed-off-by: Tony Breeds
Cc: Kevin Wolf
Cc: Markus Armbruster
Cc: Stefan
On Thu, Sep 25, 2014 at 09:30:30AM +0200, Kevin Wolf wrote:
> Does this fix the problem or does it just make it less likely that it
> becomes apparent?
Sorry for not making this clearer in my commit message.
I haven't been able to reproduce the corruption with the fiemap flag
change.
> If ther
On Thu, Sep 25, 2014 at 08:42:25AM +0200, Greg Kurz wrote:
> Same path : ./scripts/get_maintainer.pl
Thanks Greg. Now I know :)
Tony.
pgp2j8su8SSSV.pgp
Description: PGP signature
On Thu, Sep 25, 2014 at 08:21:27AM +0200, Markus Armbruster wrote:
> Please copy Kevin & Stefan for block patches. Doing that for you. I
> also copy Max, who left his fingerprints on commit 4f11aa8.
Sorry.
Is there a qemu version of get_maintainers.pl?
Tony.
pgpYwsSX2dsBU.pgp
Description: PG
we're there modify try_fiemap() to set FIEMAP_FLAG_SYNC.
Reported-By: Michael Steffens
CC: Pádraig Brady
Signed-off-by: Tony Breeds
---
block/raw-posix.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/block/raw-posix.c b/block/raw-posix.c
index a253697..b438c54 1
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