Earlier, I suggested a data-collection exercise involving udevd
--verbgose, but this didn't do much good because the race went away
when testing in this way.
I think this was probably due to udev writing to the console. I have
now prepared a version of udev which can be made not to write to the
console and I would appreciate it if people (particularly Reinhard)
who are still haviong this problem would carry out the following test:
3. At the initramfs prompt:
udevd --verbose --suppress-syslog >/tmp/udev-output 2>&1 &
udevtrigger
At this point I hope you will find that your root raid is degraded
(ie, that the bug has happened); check with
cat /proc/partitions
mdstat -D /dev/md0
4. Mount your root filesystem and copy the debug data to it:
pkill udevd
mount /dev/my-volume-group/my-volume-name /root
cp /tmp/udev-output* /root/root/.
exit
When your system boots up, please attach /root/udev-output to this
bug.
Earlier, I suggested a data-collection exercise involving udevd
--verbgose, but this didn't do much good because the race went away
when testing in this way.
I think this was probably due to udev writing to the console. I have
now prepared a version of udev which can be made not to write to the
console and I would appreciate it if people (particularly Reinhard)
who are still haviong this problem would carry out the following test:
1. Install www.chiark. greenend. org.uk/ ~ian/d/ udev-nosyslog/ udev_103- 0ubuntu14~ iwj1_i386. deb www.chiark. greenend. org.uk/ ~ian/d/ udev-nosyslog/)
http://
(Sources can be found alongside, at
http://
2. Boot with break=premount
3. At the initramfs prompt:
udevd --verbose --suppress-syslog >/tmp/udev-output 2>&1 &
udevtrigger
At this point I hope you will find that your root raid is degraded
(ie, that the bug has happened); check with
cat /proc/partitions
mdstat -D /dev/md0
4. Mount your root filesystem and copy the debug data to it: volume- group/my- volume- name /root
pkill udevd
mount /dev/my-
cp /tmp/udev-output* /root/root/.
exit
When your system boots up, please attach /root/udev-output to this
bug.
Thanks,
Ian.