Public bug reported:
Hello,
I would like to report a bug that sometimes (in about 10% of cases)
inhibits wakeup from suspend of my Thinkpad T61 8889-2BG. I am using
Ubuntu 7.10. This bug occurs with the standard kernel as well as with a
self compiled vanilla kernel (2.6.24.2) patched with thinkpad-acpi.
There is another bug while waking up from suspend in the standard kernel
(notebook needs several key presses and trackpoint as well as trackpad
movements to wake up) but this bug seems to be solved in 2.6.24.2.
Therefore, I am only reporting the bug that persists in 2.6.24.2:
The notebook suspends without any problems at all times. However,
sometimes (about 10% of cases) after opening the lid or pressing the
power button when the notebook is suspended, the moon stays lit, the
battery LED and the power LED are turned on, the harddisk starts to
spin, but then nothing else happens. The screen stays dark and there is
no harddisk activity. Then, I have to power off the notebook and
restart. The recommended DebuggingKernelSuspend method produces the
following messages in dmesg:
[ 1.864000] Using IPI No-Shortcut mode
[ 1.864000] Magic number: 0:35:998
[ 1.864000] hash matches
/build/buildd/linux-source-2.6.22-2.6.22/drivers/base/power/resume.c:57
[ 1.864000] hash matches device ttyae
[ 1.868000] hash matches device 00:00
[ 1.868000] Freeing unused kernel memory: 364k freed
With kernel version 2.6.24.2 the messages are as follows:
[ 28.217234] Using IPI No-Shortcut mode
[ 28.217367] Magic number: 0:865:403
[ 28.217368] hash matches drivers/base/power/main.c:97
[ 28.217599] Freeing unused kernel memory: 340k freed
As the unreliability of suspending renders this feature completely
useless I would be very grateful if someone could help me to solve the
problem. Please let me know if you need any further information.
Many thanks in advance!
Karl Martin
** Affects: linux-source-2.6.22 (Ubuntu)
Importance: Undecided
Status: New
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Thinkpad T61 crashes on resume from suspend
https://bugs.launchpad.net/bugs/192407
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