Red Hat Bugzilla – Bug 55232
SMP, apm=power-off freezes, EXT3
Last modified: 2007-04-18 12:37:49 EDT
Description of problem:
I tried first time to make power off to work on my SMP machine (ASUS
P3C-D, Dual PIII 750MHz, 512 MB RDRAM). I added apm=power-off to
When I try to boot the kernel freezes totally after following lines on
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.14)
apm: disabled -APM is not SMP safe (power off active).
This happens both with original and errata 2.4.9 kernel.
When I booted my box after the frozed boot-up, the fsck was the same slow
check during next boot as with ext2. (Just double-checked /proc/mounts:
Only non-standard procedure during boot was editing the boot command
inside grub to boot without the apm=...
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Add apm=power-off to boot command in grub.conf (or lilo.conf)
2. Boot with same hardware as I have..
Actual Results: kernel freezes
Expected Results: normal boot.
This looks like your bios is totally broken in this respect ;(
This is not that uncommon, and is the reason poweroff is disabled by default on