[Bug 631795] Re: Udev has a race condition with device mapper devices
Joseph Salisbury
joseph.salisbury at canonical.com
Tue Jan 24 15:13:46 UTC 2012
*** This bug is a duplicate of bug 802626 ***
https://bugs.launchpad.net/bugs/802626
** This bug has been marked a duplicate of bug 802626
vgchange may deadlock in initramfs when VG present that's not used for rootfs
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https://bugs.launchpad.net/bugs/631795
Title:
Udev has a race condition with device mapper devices
Status in “linux” package in Ubuntu:
Triaged
Status in “udev” package in Ubuntu:
Triaged
Bug description:
When using lvm and/or dmraid devices, often times during boot up udev
prints messages like:
udevd-work[72]: inotify_add_watch(6, /dev/dm-6, 10) failed: No such
file or directory
I believe this is caused by a race condition somewhere causing udev to
attempt to access the newly created dm device before the dev node
actually appears in /dev. Sometimes it seems to get as far as running
blkid before the dev node appears, causing it to fail to identify the
UUID of the device and create the /dev/disk/by-uuid symlinks.
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