Bug 53665 - mount fails when fstab has more than one entry for unloaded fs module
Summary: mount fails when fstab has more than one entry for unloaded fs module
Status: RESOLVED NOTOURBUG
Alias: None
Product: systemd
Classification: Unclassified
Component: general (show other bugs)
Version: unspecified
Hardware: x86 (IA32) Linux (All)
: medium normal
Assignee: systemd-bugs
QA Contact: systemd-bugs
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Reported: 2012-08-18 01:34 UTC by Gerardo Exequiel Pozzi
Modified: 2012-09-14 13:03 UTC (History)
0 users

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Description Gerardo Exequiel Pozzi 2012-08-18 01:34:07 UTC 
OS: Arch Linux / systemd-188 / kmod-9 / Linux 3.4.9 (or 3.0.40)

Sometimes one mount fails, others two mounts fails. To workaround this, I need to preload such fs module (for example in /etc/modules-load.d/xfs.conf).

My fstab looks like:
--
/dev/sda1 / ext4 defaults 0 1
/dev/sdb1 /data/data1 xfs defaults 0 2
/dev/sdc1 /data/data2 xfs defaults 0 2
/dev/sdd1 /data/data3 xfs defaults 0 2
--

systemctl status
--
-.mount                    loaded active mounted     /
data-data1.mount           loaded active mounted     /data/data1
data-data2.mount           loaded active mounted     /data/data2
data-data3.mount           loaded failed failed      /data/data3
--

systemctl status data-data3.mount
--
data-data3.mount - /data/data3
          Loaded: loaded (/etc/fstab)
          Active: failed (Result: exit-code) since Fri, 17 Aug 2012 22:23:20 -0300; 3min 34s ago
           Where: /data/data3
            What: /dev/sdd1
         Process: 138 ExecMount=/bin/mount /dev/sdd1 /data/data3 -t xfs (code=exited, status=32)
          CGroup: name=systemd:/system/data-data3.mount

Aug 17 22:23:20 archbase mount[138]: mount: unknown filesystem type 'xfs'
--
Comment 1 Kay Sievers 2012-09-13 17:55:39 UTC 
It's a bug in kmod/the kernel:
  https://bugzilla.redhat.com/show_bug.cgi?id=771285

Systemd can not fix that, it only exposes the bug because of the parallelism.

Lucas (kmod) and Rusty (kernel) have a kernel patch pending to fix that.

Thanks!

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