From: Johannes Thumshirn <jthumshirn@suse.de>
To: Christoph Anton Mitterer <calestyo@scientia.net>,
linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: delayed_refs has NO entry / btrfs_update_root:136: Aborting unused transaction(No space left).
Date: Wed, 20 Mar 2019 10:59:51 +0100 [thread overview]
Message-ID: <9ff84820-5d7e-f541-6adc-29c4949d44e0@suse.de> (raw)
In-Reply-To: <d35fa8de087c746f9affb789cf3ab599a3d042c1.camel@scientia.net>
On 20/03/2019 01:59, Christoph Anton Mitterer wrote:
> Anything I should do with respect to this?
>
> I.e. is further debug info needed for an interested developer? or can I
> simply scrap that particular image (which is not an important one)?
OK, I can give it a shot, but please be aware I'm still relatively new
to BTRFS.
First of all, have you tried a more recent kernel than the Debian
kernels you referenced? E.g. Linus' current master or David's misc-next
branch? Just so we don't try to hunt down a bug that's already fixed.
If it's still reproducible with a more recent kernel, I think having an
image would be very valuable.
From the dmesg (I don't have the referenced kernel version handy, Greg's
4.19.27 is the closest I have) we're hitting this WARN_ON():
WARN_ON(cur_trans != info->running_transaction);
Which means there's a mismatch between the transaction that's currently
running and the transaction the filesystem thinks is running, if I read
it correctly.
Also if you can still reproduce the bug, please activate tracing in
btrfs and send the trace output.
Byte,
Johannes
--
Johannes Thumshirn SUSE Labs Filesystems
jthumshirn@suse.de +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
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next prev parent reply other threads:[~2019-03-20 9:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-17 3:42 delayed_refs has NO entry / btrfs_update_root:136: Aborting unused transaction(No space left) Christoph Anton Mitterer
2019-03-20 0:59 ` Christoph Anton Mitterer
2019-03-20 9:59 ` Johannes Thumshirn [this message]
2019-04-12 22:46 ` Christoph Anton Mitterer
2019-04-12 22:52 ` Christoph Anton Mitterer
2019-04-15 8:42 ` Johannes Thumshirn
2019-05-03 2:42 ` Christoph Anton Mitterer
2019-05-16 9:12 ` Christoph Anton Mitterer
2019-05-29 13:55 ` Patch "Btrfs: do not start a transaction during fiemap" Christoph Anton Mitterer
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