2016-03-16 14:01 GMT+05:00 Roman Mamedov :
> On Tue, 15 Mar 2016 09:18:14 +0500
> Mikhail Gavrilov wrote:
>
>> Yesterday btrfs again hangs on kernel 4.4.5
>> It's the same or another problem?
>
> Seems different to me, as there's also defrag involved. Try removing and not
> using the defrag mount
On Tue, 15 Mar 2016 09:18:14 +0500
Михаил Гаврилов wrote:
> Yesterday btrfs again hangs on kernel 4.4.5
> It's the same or another problem?
Seems different to me, as there's also defrag involved. Try removing and not
using the defrag mount option.
> This messages say that restore failed?
So yo
On Fri, Feb 19, 2016 at 9:00 AM, Christian Rohmann
wrote:
> Hey liubo,
>
> thanks for the quick response.
>
> On 02/18/2016 05:59 PM, Liu Bo wrote:
>>> Apparently also with 4.4 there is some sort of blocking happening ...
>>> > just at 38580:
>> OK, what does 'sysrq-w' say?
>
> The problem has not
Hey liubo,
thanks for the quick response.
On 02/18/2016 05:59 PM, Liu Bo wrote:
>> Apparently also with 4.4 there is some sort of blocking happening ...
>> > just at 38580:
> OK, what does 'sysrq-w' say?
The problem has not appeared again for some time. Do I need to catch it
right when it happen
On Thu, Feb 18, 2016 at 01:35:24PM +0100, Christian Rohmann wrote:
>
>
> On 02/14/2016 11:42 PM, Roman Mamedov wrote:
> > FWIW I had a persistently repeating deadlock on 4.1 and 4.3, but
> > after upgrade to 4.4 it no longer happens.
>
>
> Apparently also with 4.4 there is some sort of blocking
On 02/14/2016 11:42 PM, Roman Mamedov wrote:
> FWIW I had a persistently repeating deadlock on 4.1 and 4.3, but
> after upgrade to 4.4 it no longer happens.
Apparently also with 4.4 there is some sort of blocking happening ...
just at 38580:
cut
[Wed Feb 17 16:43:48 2016] INFO: task
On Sun, 14 Feb 2016 13:32:24 -0800
Liu Bo wrote:
> Hi Mike,
> On Sun, Feb 14, 2016 at 12:23:16AM +0500, Михаил Гаврилов wrote:
> > Sorry, I have not yet had time to apply your patch.
> >
> > And get hang again when launch web browser.
> >
> > Here new logs:
> > http://btrfs.sy24.ru/kernel-sysr
Hi Mike,
On Sun, Feb 14, 2016 at 12:23:16AM +0500, Михаил Гаврилов wrote:
> Sorry, I have not yet had time to apply your patch.
>
> And get hang again when launch web browser.
>
> Here new logs: http://btrfs.sy24.ru/kernel-sysrqw-btrfscleaner770blocked-3.txt
The logs show,
every hung process is
Sorry, I have not yet had time to apply your patch.
And get hang again when launch web browser.
Here new logs: http://btrfs.sy24.ru/kernel-sysrqw-btrfscleaner770blocked-3.txt
Addition info: when btrfs partition hangs also hang GUI it is normal?
For grab logs I switch to tty3 (Ctrl - Alt - F3)
On Thu, Feb 11, 2016 at 08:38:36PM -0700, Chris Murphy wrote:
> On Thu, Feb 11, 2016 at 8:22 PM, Liu Bo wrote:
> > On Fri, Feb 12, 2016 at 02:03:15AM +0500, Михаил Гаврилов wrote:
> >> Thanks guys, I appreciate your's work.
> >> In which kernel this patch would landed?
> >
> > You can try it on yo
On Sat, Feb 13, 2016 at 12:15:08AM +0500, Михаил Гаврилов wrote:
> 2016-02-12 8:22 GMT+05:00 Liu Bo :
> > You can try it on your 4.2.3 kernel or the latest 4.5, but I guess it
> > doesn't not fix the real deadlock you're hitting...
>
> It means it is not final patch? you continue investigate probl
2016-02-12 8:22 GMT+05:00 Liu Bo :
> You can try it on your 4.2.3 kernel or the latest 4.5, but I guess it
> doesn't not fix the real deadlock you're hitting...
It means it is not final patch? you continue investigate problem? Can
I help you?
--
Best Regards,
Mike Gavrilov.
--
To unsubscribe from
On Thu, Feb 11, 2016 at 8:22 PM, Liu Bo wrote:
> On Fri, Feb 12, 2016 at 02:03:15AM +0500, Михаил Гаврилов wrote:
>> Thanks guys, I appreciate your's work.
>> In which kernel this patch would landed?
>
> You can try it on your 4.2.3 kernel or the latest 4.5, but I guess it
> doesn't not fix the re
On Fri, Feb 12, 2016 at 02:03:15AM +0500, Михаил Гаврилов wrote:
> Thanks guys, I appreciate your's work.
> In which kernel this patch would landed?
You can try it on your 4.2.3 kernel or the latest 4.5, but I guess it
doesn't not fix the real deadlock you're hitting...
Thanks,
-liubo
>
> --
>
Thanks guys, I appreciate your's work.
In which kernel this patch would landed?
--
Best Regards,
Mike Gavrilov.
2016-02-12 0:18 GMT+05:00 Liu Bo :
>
> Really appreciate for collecting these, it should be helpful.
>
> Unfortunately I still could not figure out who's holding fs tree's root
> WRIT
On Wed, Feb 10, 2016 at 02:23:00PM -0700, Chris Murphy wrote:
> On Wed, Feb 10, 2016 at 1:39 PM, Михаил Гаврилов
> wrote:
>
>
> >
> > Here full log:
> > http://btrfs.sy24.ru/kernel-sysrqw-btrfscleaner770blocked-2.txt
> >
> > I am so sorry if this log is useless.
>
> Looks good to me. The block
On Wed, Feb 10, 2016 at 1:39 PM, Михаил Гаврилов
wrote:
>
> Here full log: http://btrfs.sy24.ru/kernel-sysrqw-btrfscleaner770blocked-2.txt
>
> I am so sorry if this log is useless.
Looks good to me. The blocked task happens out of no where with
nothing reported for almost an hour before the blo
2016-02-03 9:48 GMT+05:00 Chris Murphy :
> Mike: From your attachment, looks like you rebooted. So do this:
>
> echo 1 > /proc/sys/kernel/sysrq
> Reproduce the problem where you get blocked task messages in dmesg
> echo w > /proc/sysrq-trigger
> journalctl -k > kernel-sysrqw-btrfscleaner770blocked-
Mike: From your attachment, looks like you rebooted. So do this:
echo 1 > /proc/sys/kernel/sysrq
Reproduce the problem where you get blocked task messages in dmesg
echo w > /proc/sysrq-trigger
journalctl -k > kernel-sysrqw-btrfscleaner770blocked-2.txt
Make sure you use the same mount options. Lo
On Tue, Feb 2, 2016 at 8:52 PM, Михаил Гаврилов
wrote:
> 2016-02-03 7:45 GMT+05:00 Chris Murphy :
>> journalctl -k > kernel-sysrqw_btrfscleaner770blocked.txt
>
>
> This I can do now or after next hang?
The sysrq+w should happen when the hang is happening. This dumps
hanged task info to kernel mes
On Tue, Feb 2, 2016 at 1:20 PM, Михаил Гаврилов
wrote:
> Hi all! I have problem with hanging btrfs file system.
Can you list the workload at the time, and also the mount options? To
do sysrq+w as Liu Bo asks for, do this:
echo 1 > /proc/sys/kernel/sysrq
echo w > /proc/sysrq-trigger
And then 'j
On Wed, Feb 03, 2016 at 01:20:22AM +0500, Михаил Гаврилов wrote:
> Hi all! I have problem with hanging btrfs file system.
It's not clear that who held the lock, any luck to find clues in
sysrq+w?
Thanks,
-liubo
>
> [17047.652816] INFO: task btrfs-cleaner:770 blocked for more th
Hi all! I have problem with hanging btrfs file system.
[17047.652816] INFO: task btrfs-cleaner:770 blocked for more than 120 seconds.
[17047.652837] Not tainted 4.3.5-300.fc23.x86_64+debug #1
[17047.652853] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables
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