Public bug reported:
Binary package hint: util-linux
Yesterday evening I compiled a new kernel (without initrd) and rebooted:
Linux chewbaka 2.6.29.4 #5 SMP Wed May 20 19:01:37 CEST 2009 x86_64 GNU/Linux
with the latest karmic packages
This morning when I checked for it I saw several blkid processes using
up all available CPU time.
root 2035 19.8 0.0 8128 700 ? R< May20 92:38 /sbin/blkid -o
udev -p /dev/.tmp-block-8:145
root 2038 19.8 0.0 8128 700 ? R< May20 92:24 /sbin/blkid -o
udev -p /dev/.tmp-block-8:113
root 2039 19.8 0.0 8128 696 ? R< May20 92:24 /sbin/blkid -o
udev -p /dev/.tmp-block-8:129
root 2045 19.8 0.0 8128 696 ? R< May20 92:37 /sbin/blkid -o
udev -p /dev/.tmp-block-8:180
root 2048 19.8 0.0 8128 700 ? R< May20 92:23 /sbin/blkid -o
udev -p /dev/.tmp-block-8:193
root 2049 19.8 0.0 8128 700 ? R< May20 92:36 /sbin/blkid -o
udev -p /dev/.tmp-block-8:178
root 2050 19.8 0.0 8128 704 ? R< May20 92:23 /sbin/blkid -o
udev -p /dev/.tmp-block-8:177
root 2052 19.9 0.0 8128 704 ? R< May20 92:39 /sbin/blkid -o
udev -p /dev/.tmp-block-8:194
root 2055 19.8 0.0 8128 700 ? R< May20 92:31 /sbin/blkid -o
udev -p /dev/.tmp-block-8:161
root 2061 19.8 0.0 8128 700 ? R< May20 92:25 /sbin/blkid -o
udev -p /dev/.tmp-block-8:196
r...@chewbaka:~# cd /dev
r...@chewbaka:/dev# ls -la .tmp*
brw------- 1 root root 8, 113 2009-05-20 23:56 .tmp-block-8:113
brw------- 1 root root 8, 129 2009-05-20 23:56 .tmp-block-8:129
brw------- 1 root root 8, 145 2009-05-20 23:56 .tmp-block-8:145
brw------- 1 root root 8, 161 2009-05-20 23:56 .tmp-block-8:161
brw------- 1 root root 8, 177 2009-05-20 23:56 .tmp-block-8:177
brw------- 1 root root 8, 178 2009-05-20 23:56 .tmp-block-8:178
brw------- 1 root root 8, 180 2009-05-20 23:56 .tmp-block-8:180
brw------- 1 root root 8, 193 2009-05-20 23:56 .tmp-block-8:193
brw------- 1 root root 8, 194 2009-05-20 23:56 .tmp-block-8:194
brw------- 1 root root 8, 196 2009-05-20 23:56 .tmp-block-8:196
r...@chewbaka:/dev# ls -laR | grep "8, 113"
brw------- 1 root root 8, 113 2009-05-20 23:56 .tmp-block-8:113
r...@chewbaka:/dev# date
Thu May 21 08:10:53 CEST 2009
blkid hangs when it tries to read from the devices above, as can be
seen in the attached strace log
I can also reproduce this behavior on my laptop. If I boot with (a) hard
disk(s) attached via USB,
I see one hanging blkid process per hard disk which is attached via USB.
ProblemType: Bug
Architecture: amd64
Date: Thu May 21 08:21:29 2009
DistroRelease: Ubuntu 9.10
Package: util-linux 2.15-1ubuntu2
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: util-linux
Uname: Linux 2.6.29.4 x86_64
** Affects: util-linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug blkid
--
blkid hangs on /dev/.tmp-block-* devices
https://bugs.launchpad.net/bugs/378930
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