[syslinux] Problem with Syslinux 2.07 and APM on SMP system
Terry Barnaby
terry1 at beam.ltd.uk
Wed Jan 7 02:19:48 PST 2004
Hi,
We have a problem with Syslinux 2.07 and APM on an SMP system.
When either network booting with pxelinux.0 or CDROM booting
with isolinux we get a kernel error message:
Jan 7 09:59:51 ddcserver1 kernel: kernel BUG at apm.c:1756!
Jan 7 09:59:51 ddcserver1 kernel: invalid operand: 0000
Jan 7 09:59:51 ddcserver1 kernel:
Jan 7 09:59:51 ddcserver1 kernel: CPU: 1
Jan 7 09:59:51 ddcserver1 kernel: EIP: 0060:[<c0118d3e>] Not tainted
Jan 7 09:59:51 ddcserver1 kernel: EFLAGS: 00010202
Jan 7 09:59:51 ddcserver1 kernel:
Jan 7 09:59:51 ddcserver1 kernel: EIP is at apm [kernel] 0x33e (2.4.20-24.9smp)
Jan 7 09:59:51 ddcserver1 kernel: eax: 00000001 ebx: c44c4000 ecx: c03c02a8 edx: c03c02ac
Jan 7 09:59:51 ddcserver1 kernel: esi: c027e933 edi: c44c4400 ebp: 00000000 esp: c44c5fd0
Jan 7 09:59:51 ddcserver1 kernel: ds: 0068 es: 0068 ss: 0068
Jan 7 09:59:51 ddcserver1 kernel: Process kapmd (pid: 7, stackpage=c44c5000)
Jan 7 09:59:51 ddcserver1 kernel: Stack: 00000000 00000000 00000000 00000000 00000068 c0118a00
00000000 00000000
Jan 7 09:59:51 ddcserver1 kernel: c010759d 00000000 00000000 00000000
Jan 7 09:59:51 ddcserver1 kernel: Call Trace: [<c0118a00>] apm [kernel] 0x0 (0xc44c5fe4))
Jan 7 09:59:51 ddcserver1 kernel: [<c010759d>] kernel_thread_helper [kernel] 0x5 (0xc44c5ff0))
Jan 7 09:59:51 ddcserver1 kernel:
Jan 7 09:59:51 ddcserver1 kernel:
Jan 7 09:59:51 ddcserver1 kernel: Code: 0f 0b dc 06 85 e8 27 c0 e9 03 fd ff ff 90 8d 74 26 00 83 ec
The system runs fine but will not power off.
If the system boots from the hard disk using grub all is fine.
The kernel boot line is:
append ro ramdisk_size=6000 initrd=beamsys/beamsys-initrd apm=power-off
The OS is Redhat Linux 9 with kernel 2.4.20-24.9smp
The hardware is a Supermicro 6023P-i dual Xeon server.
Any ideas ?
Cheers
Terry
--
Dr Terry Barnaby BEAM Ltd
Phone: +44 1454 324512 Northavon Business Center, Dean Rd
Fax: +44 1454 313172 Yate, Bristol, BS37 5NH, UK
Email: terry at beam.ltd.uk Web: www.beam.ltd.uk
BEAM for: Visually Impaired X-Terminals, Parallel Processing, Software
"Tandems are twice the fun !"
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