Public bug reported:
on a hp mini 2140, i installed ubuntu jaunty (it was last updated on
1.mar.2009).
when booting ubuntu, it very often happens that the laptop suddenly reboots.
in other cases the boot process works normally.
it's hard to reproduce the problem, because sometimes i am able to boot
it repeatedly 4-5 times correctly, and sometimes the boot-process fails
(causes reboot) 4-5 times in a row.
if i count the number of successful and unsuccessful reboots for a longer time
(2days),
i would say 30%-40% of all the boots are successful.
the same problem also happens with the jaunty install/live cd-images too
(i am using them using a bootable-usb-stick)
i tried to find the exact place where the reboot happens, but it's hard
to find it:
- i disabled "splash", and removed "quiet" from the boot parameters,
and now i see that the reboot happens roughly when the USB-devices
are mentioned in the messages shown by the kernel.
this is before any file-system is mounted and such.
unfortunately i cannot say the exact line on which the reboot
happens because it happens very fast.
if there is a way to log those messages somewhere,
i'd be happy to find the exact place of course.
when the boot works correctly, the system seems to behave ok.
there is only one error shown in "dmesg", and it's related
to the graphich-chip, and something about 'vblank'
(i do not have the exact error-message currently,
but will put it in a comment here, when i have
access to the laptop again. also i will open a separate
bugreport about that problem). but the graphics
work correctly.
the laptop comes preinstalled with suse linux enterprise desktop,
and the boot-process works correctly in that operating system.
** Affects: ubuntu
Importance: Undecided
Status: New
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boot-process often reboots laptop (hp mini 2140)
https://bugs.launchpad.net/bugs/336628
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