From: Jan Stancek <jstancek@redhat.com>
To: ltp@lists.linux.it
Subject: [LTP] Fwd: [bug] mkfs.ext[23] hangs on loop device (aarch64, 5.8+)
Date: Fri, 21 Aug 2020 05:45:54 -0400 (EDT) [thread overview]
Message-ID: <277259633.9648166.1598003154755.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <1053136797.9144539.1597819054047.JavaMail.zimbra@redhat.com>
> > ----- Original Message -----
> > > I saw this kind io hang in ltp/fs_fill test reliably and the loop is
> > > over image in tmpfs:
> > >
> > > https://lkml.org/lkml/2020/7/26/77
> > >
> > > And I have verified that the following patch can fix the issue:
> > >
> > > https://lore.kernel.org/linux-block/bc5fa941-3b7c-f28e-dd46-1a1d6e5c40a8@kernel.dk/T/#t
> >
> > Thanks, I'll test your patch with my setup.
>
> I've seen no hangs over past ~24 hours with patch above.
>
> Thanks,
> Jan
fyi, in case you see sporadic I/O hangs, usually while running LTP tests
that make use of loop device with recent upstream kernels:
https://lore.kernel.org/linux-block/1929570063.6965184.1596736053281.JavaMail.zimbra@redhat.com/
prev parent reply other threads:[~2020-08-21 9:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <94883604.6936811.1596720770623.JavaMail.zimbra@redhat.com>
2020-08-06 17:47 ` [bug] mkfs.ext[23] hangs on loop device (aarch64, 5.8+) Jan Stancek
2020-08-18 2:29 ` Ming Lei
2020-08-18 6:19 ` Jan Stancek
2020-08-19 6:37 ` Jan Stancek
2020-08-21 9:45 ` Jan Stancek [this message]
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