On 08/18/2011 10:38 AM, Chris Mason wrote:
Excerpts from Andrew Guertin's message of 2011-08-11 21:13:18 -0400:
On 08/09/2011 05:29 PM, Andrew Guertin wrote:
I have not tried 3.1-rc1, but plan to soon.
I've tested now, this does still occur in 3.1-rc1.
Ok, I had high hopes that the btrfs
On 18/08/11 16:58, youagree wrote:
Are these processes principally btrfs-submit and btrfs-transacti
in particular?
Then it may be related to my very similar issue reported earlier.
I spent a little bit of time last night looking at it and it
seems that what I'm seeing also affects ext4 on
This is most probably related to the same regression seen after 2.6.38,
my blocked comment on 3 August included an indication to that the
behavior was present in my distro 2.6.38 kernel too, it just was
appearing after a considerably longer uptime (on my desktop system using
btrfs as rootfs on an
On 18/08/11 00:29, Michael Cronenworth wrote:
I'm running kernel 3.0 (Fedora 15's 2.6.40) on two boxes
and I have not seen slow downs or hangs. I use Firefox.
I've got btrfs on an external USB drive with the 3.0.1 kernel and
I see that sync seems to take an age, according to iotop it seems
Are these processes principally btrfs-submit and btrfs-transacti in
particular?
Then it may be related to my very similar issue reported earlier.
On 08/18/2011 08:47 AM, Chris Samuel wrote:
On 18/08/11 00:29, Michael Cronenworth wrote:
I'm running kernel 3.0 (Fedora 15's 2.6.40) on two
On 08/18/2011 02:44 AM, youagree wrote:
Also, a patch by Josef Bacik was an attempt for fixing this, but no one
reported about testing it on an affected system, it did not eliminate
the slowdowns for me:
PLEASE TEST: Everybody who is seeing weird and long hangs
On 08/17/2011 10:41 PM, Anand Jain wrote:
Dave,
good to have a test case on the 3.0 kernel. do you have btrfs as
root fs ? and
can you show how are you using the btrfs mainly I would need
'btrfs fi show' let me try if I can reproduce.
Thanks, Anand
Personally, I find that large compiles are
On 08/18/2011 09:29 AM, Andrew Guertin wrote:
* Many processes occasionally hang for a short time
* When this happens, my cpu monitor shows a short burst of cpu activity
(100% of 1 core) followed by a longer period of IO
* When this happens, iotop shows [btrfs-submit-0] and [btrfs-transacti]
On 08/18/2011 03:29 AM, Andrew Guertin wrote:
I have not seen slowdowns on 2.6.38. More specifically, I observe the
following behaviors after commit 4e69b59:
* Many processes occasionally hang for a short time
* When this happens, my cpu monitor shows a short burst of cpu activity
(100% of
Excerpts from Andrew Guertin's message of 2011-08-11 21:13:18 -0400:
On 08/09/2011 05:29 PM, Andrew Guertin wrote:
I have not tried 3.1-rc1, but plan to soon.
I've tested now, this does still occur in 3.1-rc1.
Ok, I had high hopes that the btrfs changes in rc1 would fix this.
Could you
On 08/09/2011 05:29 PM, Andrew Guertin wrote:
On 06/21/2011 01:15 PM, Jan Stilow wrote:
Hello,
Nirbheek Chauhan nirbheek at gentoo.org writes:
[...]
Every few minutes, (I guess) when applications do fsync (firefox,
xchat, vim, etc), all applications that use fsync() hang for several
Andrew Guertin on 08/17/2011 09:24 AM wrote:
I (and presumably others) haven't
been able to upgrade my kernel past 2.6.38 because of this.
I'm running kernel 3.0 (Fedora 15's 2.6.40) on two boxes and I have not
seen slow downs or hangs. I use Firefox.
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On 08/17/2011 10:29 AM, Michael Cronenworth wrote:
Andrew Guertin on 08/17/2011 09:24 AM wrote:
I (and presumably others) haven't
been able to upgrade my kernel past 2.6.38 because of this.
I'm running kernel 3.0 (Fedora 15's 2.6.40) on two boxes and I have not
seen slow downs or hangs. I
On Wed, Aug 17, 2011 at 10:38:42AM -0400, Andrew Guertin wrote:
Well I'd expect it to be somewhat uncommon, or it wouldn't survive 3
kernel versions :) But at least 3 people have reported it, and for me at
least it's reliably reproducible enough to bisect, so I'm quite certain
there's
Dave,
good to have a test case on the 3.0 kernel. do you have btrfs as
root fs ? and
can you show how are you using the btrfs mainly I would need
'btrfs fi show' let me try if I can reproduce.
Thanks, Anand
I've been simply living with this issue. I can reproduce it by rsyncing very
On 06/21/2011 01:15 PM, Jan Stilow wrote:
Hello,
Nirbheek Chauhan nirbheek at gentoo.org writes:
[...]
Every few minutes, (I guess) when applications do fsync (firefox,
xchat, vim, etc), all applications that use fsync() hang for several
seconds, and applications that use general IO
On Mon, 2011-07-18 at 14:17 -0400, Josef Bacik wrote:
I've been looking into this and I have a suspicion. Would you run
with this patch and see if the problem goes away?
Didn't help me.
2.6.39 is not usable. 3.0.0 is ok for a few hours then too becomes
unusable. This is discussed in future
On Mon, Jul 18, 2011 at 11:47 PM, Josef Bacik jo...@redhat.com wrote:
On 06/06/2011 06:58 PM, Nirbheek Chauhan wrote:
What can I do to debug this issue? What other information should I
supply? Could someone guide me on how to figure out why my machine is
unusable now?
I've been looking into
On Tue, 2011-06-07 at 04:28 +0530, Nirbheek Chauhan wrote:
Every few minutes, (I guess) when applications do fsync (firefox,
xchat, vim, etc), all applications that use fsync() hang for several
seconds, and applications that use general IO suffer extreme
slowdowns. iotop shows various
On 06/06/2011 06:58 PM, Nirbheek Chauhan wrote:
Hello list,
I've been using btrfs on my personal machines for about two years now,
and on this machine for about a year with absolutely no problems.
Infact, it has held up better than ext4 with regards to reliability.
However, recently,
Hello,
Nirbheek Chauhan nirbheek at gentoo.org writes:
However, recently, perhaps with 2.6.39, or after I quickly started
filling up my disk again, it has become impossible for me to work for
long periods on my machine.
Every few minutes, (I guess) when applications do fsync (firefox,
Hello list,
I've been using btrfs on my personal machines for about two years now,
and on this machine for about a year with absolutely no problems.
Infact, it has held up better than ext4 with regards to reliability.
However, recently, perhaps with 2.6.39, or after I quickly started
filling up
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