From: Marc MERLIN <marc@merlins.org>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: 6.4 and 6.9 btrfs blocked and btrfs_work_helper workqueue lockup, is it an IO bug/hang though?
Date: Wed, 28 Feb 2024 19:15:49 -0800 [thread overview]
Message-ID: <Zd_25ZJIY4aWZErO@merlins.org> (raw)
In-Reply-To: <34db6285-deb1-4b4a-b4d9-106646c0f894@gmx.com>
On Thu, Feb 29, 2024 at 12:31:19PM +1030, Qu Wenruo wrote:
> Not an expert on the block drivers, but a lot of btrfs works relies on
> the endio function (either a successful end, or an error) to unlock
> various structures.
>
> If the driver didn't properly end the bio when something went wrong, it
> would definitely cause a hang.
makes sense.
> Another question is, are both kernels running on the same machine?
yes
> In that case, is the same aacraid driver used on v6.9? As the newer
> kernel shows hangs on mdraid too, which is now shown in the older kernel.
right, I noticed that difference, I'll see if I can dig that out.
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Home page: http://marc.merlins.org/ | PGP 7F55D5F27AAF9D08
prev parent reply other threads:[~2024-02-29 3:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-19 6:24 6.4 and 6.9 btrfs blocked and btrfs_work_helper workqueue lockup, is it an IO bug/hang though? Marc MERLIN
2024-02-27 23:14 ` Marc MERLIN
2024-02-28 8:18 ` Qu Wenruo
2024-02-28 8:24 ` Qu Wenruo
2024-02-29 1:41 ` Marc MERLIN
2024-02-29 2:01 ` Qu Wenruo
2024-02-29 3:15 ` Marc MERLIN [this message]
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