On 2015-06-12 18:09, Qu Wenruo wrote:
while true; do dmesg -c ; done
but that's usually incomplete.
If your dmesg is up-to-date, dmesg -w should do it better than your
script.
And normally, I can get a full trace with backtrace when kernel down
with it.
And if it still can't get the full tr
On Fri, Jun 12, 2015 at 04:18:25PM -0400, Chris Mason wrote:
> Hi Mark,
>
> This one conflicts with your btrfs: Handle unaligned length in
> extent_same, which is in integration now. If we need both, can you
> please rework it?
They both fix the same bug, so we just need one of them. You can kee
On 06/10/2015 06:13 PM, Mark Fasheh wrote:
> Hi,
>
> Can this patch please be considered for upstream inclusion? I reviewed
> it myself and have tested it on a few files with an updated duperemove
> branch:
>
> https://github.com/markfasheh/duperemove/tree/alignment_fix
>
> as described below, t
On 2015-06-12 20:04, Andrei Borzenkov wrote:
> В Fri, 12 Jun 2015 21:16:30 +0800
> Anand Jain пишет:
>
>>
>>
>> BTRFS_IOC_DEVICES_READY is to check if all the required devices
>> are known by the btrfs kernel, so that admin/system-application
>> could mount the FS. It is checked against a device
Hi,
I have a raid1 filesystem:
Label: 'raid1pool' uuid: b97d3055-c60c-4f10-aa1b-bf9554f043c9
Total devices 2 FS bytes used 320.00KiB
devid1 size 2.00GiB used 437.50MiB path /dev/sdd
devid2 size 2.00GiB used 417.50MiB path /dev/sde
It's mounted at /mnt2/raid1pool
# mount | grep raid1poo
В Fri, 12 Jun 2015 21:16:30 +0800
Anand Jain пишет:
>
>
> BTRFS_IOC_DEVICES_READY is to check if all the required devices
> are known by the btrfs kernel, so that admin/system-application
> could mount the FS. It is checked against a device in the argument.
>
> However the actual implementatio
On 06/11/2015 07:33 AM, Tomasz Chmielewski wrote:
> I have a server where I've installed a couple of LXC guests, btrfs - so
> easy to test things with snapshots. Or so it seems.
>
> Unfortunately the box crashes when I put "too much IO load" - with too
> much load being these two running at the sa
On 06/11/2015 11:00 PM, Qu Wenruo wrote:
> Introduce the new partial csum mechanism for tree block.
>
> [Old tree block csum]
> 0 4 8121620242832
> -
> |csum | unused, all 0 |
>
Hi Qu,
I have another volume with the same error, btrfs-debug-tree output
from btrfs-progs 4.0.1 is here: http://pastebin.com/k3R3bngE
I'm not sure how to interpret the output, but the exit status is 0 so
it looks like btrfs doesn't think there's an issue with the file
system.
I get the same mou
On Fri, Jun 12, 2015 at 11:00:15AM +0800, Qu Wenruo wrote:
> Introduce the new partial csum mechanism for tree block.
>
> [Old tree block csum]
> 0 4 8121620242832
> -
> |csum | unused, all 0
BTRFS_IOC_DEVICES_READY is to check if all the required devices
are known by the btrfs kernel, so that admin/system-application
could mount the FS. It is checked against a device in the argument.
However the actual implementation is bit more than just that,
in the way that it would also scan an
From: Zhao Lei
Although it is a rare case, we'd better free previous allocated
memory on error.
Signed-off-by: Zhao Lei
---
fs/btrfs/scrub.c | 31 ---
1 file changed, 16 insertions(+), 15 deletions(-)
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index ab58115..
Hi,
I have converted my root ext4 partition to btrfs. I used an USB stick
to boot and used btrfs-convert.
I also did a balance and defrag ( in that order ) , both when the fs
was mounted.
After logging in to KDE I quickly get a read-only filesystem. I've
pasted the backtrace below
Jun 11 23:13:
On 06/11/2015 09:03 PM, Martin wrote:
It is reproduceable but the logs doesn't say much:
dmesg:
[151183.214355] BTRFS info (device sdb2): allowing degraded mounts
[151183.214361] BTRFS info (device sdb2): disk space caching is enabled
[151183.317719] BTRFS: bdev (null) errs: wr 7988389, rd 770
Thank you for you reply. I thought of the same thing as you've told,
but because I don't really know how SSD/SATA works internally, so I
was also thinking if "raid0" on the same drive might works as
something like "Hyper-Threading" in CPU.
I'll go for "single" then. With that I don't have to start
Tom Yan posted on Thu, 11 Jun 2015 19:34:13 +0800 as excerpted:
> So I am thinking of having multiple partitions (50GiB per one) on an
> SATA3 SSD (200GiB available) to be used with a single btrfs filesystem.
> The reason I am thinking about this is I would like to start from one
> partition (or t
Hi. I have tested this patchset in Virtual Machine.
Environment:
Oracle VirtualBox 4.3.10 + Ubuntu 14.10 server + LVM 2.02.98
Kernel:
4.1.0-rc7 (12 June, 2015 / Today) with your 4 patches.
Btrfs-progs: 4.0
Generic Test Procedure:
mkfs.btrfs -f -m $RAID -d $RAID && mount
Original Message
Subject: Re: kernel crashes with btrfs and busy database IO - how to debug?
From: Tomasz Chmielewski
To: Qu Wenruo
Date: 2015年06月12日 16:35
On 2015-06-12 16:13, Qu Wenruo wrote:
Remote syslog does not capture anything.
No backtrace?
No (nothing saved o
On 2015-06-12 16:13, Qu Wenruo wrote:
Remote syslog does not capture anything.
No backtrace?
No (nothing saved on disk, don't have VNC access).
The only way to capture anything is:
while true; do dmesg -c ; done
but that's usually incomplete.
Without backtrace, it's much harder to debug
Hi, Omar Sandoval
> -Original Message-
> From: Omar Sandoval [mailto:osan...@osandov.com]
> Sent: Friday, June 12, 2015 4:12 PM
> To: Zhao Lei
> Cc: linux-btrfs@vger.kernel.org; 'Miao Xie'; 'Philip'
> Subject: Re: [PATCH 4/4] Btrfs: fix device replace of a missing RAID 5/6
> device
>
> H
Hi, Zhaolei,
On Thu, Jun 11, 2015 at 06:29:15PM +0800, Zhao Lei wrote:
> Hi, Omar Sandoval
>
> > -Original Message-
> > From: linux-btrfs-ow...@vger.kernel.org
> > [mailto:linux-btrfs-ow...@vger.kernel.org] On Behalf Of Omar Sandoval
> > Sent: Monday, May 11, 2015 3:58 PM
> > To: linux-bt
Tomasz Chmielewski posted on Thu, 11 Jun 2015 20:33:41 +0900 as excerpted:
> I have a server where I've installed a couple of LXC guests, btrfs - so
> easy to test things with snapshots. Or so it seems.
>
> Unfortunately the box crashes when I put "too much IO load" - with too
> much load being t
Original Message
Subject: Can't mount btrfs volume on rbd
From: Steve Dainard
To:
Date: 2015年06月11日 23:26
Hello,
I'm getting an error when attempting to mount a volume on a host that
was forceably powered off:
# mount /dev/rbd4 climate-downscale-CMIP5/
mount: mount /dev/
Original Message
Subject: kernel crashes with btrfs and busy database IO - how to debug?
From: Tomasz Chmielewski
To: linux-btrfs
Date: 2015年06月11日 19:33
I have a server where I've installed a couple of LXC guests, btrfs - so
easy to test things with snapshots. Or so it se
From: Zhao Lei
The code in workqueue only do fast initialization and submit a bio
in end, plus, it will not called in interrupe context, no need to
queue a work for this type of work.
Call it directly will make code simple, easy to debug and reduce
potential problem.
Signed-off-by: Zhao Lei
--
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