On 2004-11-15, 09:42, Ian Pratt wrote:
>
> > I've just built xen & dom0 kernel from gentoo ebuilds
> > (bugs.gentoo.org), but my dom0 kernel crashes during boot.
> > Any help is appreciated. Console log, grub.conf and .config
> > are included, machine is celeron/466, 128MB of RAM.
>
> The 'unknown bootoption' is quite interesting. Please can you see what
> happens if you remove the ",15200n8".
",115200n8", I assume. This error occured also only with "ro
root=/dev/hda3", without serial console, but dump was longer than one
screen. Anyway, here it goes, including some garbage at the beggining
which could be caused by grub attempting to use the same serial port:
./bin/miniterm -b9600
** ctrl-b quits miniterm **
ĎÍýÍĺLinux version 2.6.9-xen0 (root@zirafa) (gcc version 3.3.4 20040623
(GentooLinux 3.3.4-r1, ssp-3.3.2-2, pie-8.7.6)) #2 Sun Nov 14 19:19:39 CET
2004
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 0000000002000000 (usable)
32MB LOWMEM available.
DMI not present.
Built 1 zonelists
Kernel command line: root=/dev/hda3 ro console=ttyS0
Initializing CPU#0
PID hash table entries: 256 (order: 8, 4096 bytes)
Xen reported: 467.735 MHz processor.
Using tsc for high-res timesource
Console: colour VGA+ 80x25
Linux version 2.6.9-xen0 (root@zirafa) (gcc version 3.3.4 20040623 (Gentoo
Linux 3.3.4-r1, ssp-3.3.2-2, pie-8.7.6)) #2 Sun Nov 14 19:19:39 CET 2004
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 0000000002000000 (usable)
32MB LOWMEM available.
DMI not present.
Built 1 zonelists
Kernel command line: root=/dev/hda3 ro console=ttyS0
Initializing CPU#0
PID hash table entries: 256 (order: 8, 4096 bytes)
Xen reported: 467.735 MHz processor.
Using tsc for high-res timesource
Console: colour VGA+ 80x25
Unable to handle kernel NULL pointer dereference at virtual address
00000000
printing eip:
c010ad74
*pde = ma 00000000 pa 55555000
[<c0107a1b>] evtchn_do_upcall+0xab/0x110
[<c010c8bb>] hypervisor_callback+0x33/0x49
[<c010796a>] force_evtchn_callback+0xa/0x10
[<c02f0760>] start_kernel+0x170/0x190
[<c02f0350>] unknown_bootoption+0x0/0x180
Oops: 0002 [#1]
PREEMPT
Modules linked in:
CPU: 0
EIP: 0061:[<c010ad74>] Not tainted VLI
EFLAGS: 00211286 (2.6.9-xen0)
EIP is at do_IRQ+0x94/0x1b0
eax: c02b1d60 ebx: 00000ff4 ecx: c02b4880 edx: c02b4880
esi: 00000000 edi: c02ef000 ebp: c02eb800 esp: c02eff5c
ds: 0069 es: 0069 ss: 0069
Process swapper (pid: 0, threadinfo=c02ef000 task=c02b1d60)
Stack: 00000080 c011cbde c031ed40 c02b4880 00000008 00000000 fbffc000
00000000
c0107a1b 00000080 c02effa8 00000001 c02effa8 00000000 c033e200
c0310220
c02ef000 c010c8bb c02effa8 00000000 c02b5b84 00000000 c033e200
c0310220
Call Trace:
[<c011cbde>] __call_console_drivers+0x5e/0x60
[<c0107a1b>] evtchn_do_upcall+0xab/0x110
[<c010c8bb>] hypervisor_callback+0x33/0x49
[<c010796a>] force_evtchn_callback+0xa/0x10
[<c02f0760>] start_kernel+0x170/0x190
[<c02f0350>] unknown_bootoption+0x0/0x180
Code: 0c 85 c9 74 7c 89 df 8b 35 00 d0 30 c0 ff 4f 14 8b 47 08 a8 08 0f 85
16 01 00 00 39 f7 0f 84 ed 00 00 00 8b 07 8d 9e f4 0f 00 00 <89> 06 89 e0
89 46 30 8b 54 24 0c 89 96 fc 0f 00 00 8b 44 24 28
<0>Kernel panic - not syncing: Fatal exception in interrupt
My vmlinux has been built using DistCC, so I'll recompile it once again.
Current vmlinux is available at
http://home-hep.fzu.cz/kundratj/dev/xen/vmlinux-2.6.9-xen0-distcc
other interresting files could be
http://home-hep.fzu.cz/kundratj/dev/xen/System.map-2.6.9-xen0-distcc
http://home-hep.fzu.cz/kundratj/dev/xen/xen-syms
http://home-hep.fzu.cz/kundratj/dev/xen/xen.gz
--
Jan Kundrat
jan.kundrat@xxxxxx
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