Hello,
Any support would be highly appreciated.
It seems that old version of IBM BIOS with ACPI v1.02 (1.0b) has an issue
with linux x86 kernel 2.6.
One may read it as linux x86 kernel 2.6.32 does not provide minimum support
for old ACPI v1.02 (1.0b).
Issue
----
1) poweroff performs linux shutdown and turns power off as expected.
2) reboot performs linux shutdown and hangs on message "Restarting system."
No errors in syslog. Last records are normal:
kernel logging (proc) stopped
rsyslogd: exiting on signal 15.
3) sudo cp -r /proc/acpi /tmp hangs indefinitely ....
Is there any known compatibility issues and workaround to get kernel 2.6.32
to do a reboot on old ACPI?
Testing on HW
--------------
IBM PC 300GL with latest firmware update v.41a.
Windows XP no issues with shutdown, hibernate or suspend.
kernel 2.6.32-24-generic Ubuntu 10.04.1 - halts on reboot command.
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