http://bugzilla.kernel.org/show_bug.cgi?id=8757





------- Comment #3 from [EMAIL PROTECTED]  2007-07-27 10:13 -------
If it was fixed, I'd very much appreciate knowing WHAT fixed it... we can't
have 2.6.22 broken for thinkpads, be it my fault (b0rkage in thinkpad-acpi) or
not :-)

Please do check if 2.6.22 behaves when thinkpad-acpi is not loaded.

You can try to force the bug to show up by telling thinkpad-acpi to much around
lots of stuff in the thinkpad (read/set brightness, volume, read thermal, do
fan control, etc), and also check suspend-to-RAM or to-disk.

There is *one* thing I noticed in thinkpad-acpi, which is new (but I don't know
if it is present in 2.6.22):  the thinkpad DSDT is causing ACPI to call the
hotkey_notify method of thinkpad-acpi *VERY* early during resume.  This doesn't
cause problems in 2.6.21 and a T43, but I don't know yet about 2.6.22.

Len, what are the do's and don'ts for ACPICA NOTIFY handler callbacks?  Might
thinkpad-acpi doing something not welcome inside such a handler (it calls ACPI
methods, for example) cause this bug to show up?


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