[Fedora-xen] Tracebacks

Ted Kaczmarek tedkaz at optonline.net
Sat Apr 8 21:55:33 UTC 2006


When try to use either sda1/sda2  sdb1/sdb2 root/swap combo I get  
tracebacks when launching domu.


netfront: Initialising virtual ethernet driver.
Registering block device major 8
register_blkdev: cannot get major 8 for sd
xen_blk: can't get major 8 with name sd
NET: Registered protocol family 2
Unable to handle kernel NULL pointer dereference at virtual address  
00000104
printing eip:
c0222268
*pde = ma 00000000 pa 55555000
Oops: 0002 [#1]
SMP
Modules linked in:
CPU:    0
EIP:    0061:[<c0222268>]    Not tainted VLI
EFLAGS: 00010086   (2.6.12.6-xenU)
EIP is at blk_start_queue+0x8/0x60
eax: 00000000   ebx: 00000000   ecx: fbf8c000   edx: 00000000
esi: cbc24aa0   edi: c1278000   ebp: c1279f9c   esp: c1279f30
ds: 007b   es: 007b   ss: 0069
Process xenwatch (pid: 7, threadinfo=c1278000 task=c1226560)
Stack: 00000004 cbc08000 c023507e 00000000 cbc08000 c0234f98 cbc08000  
00000000
        00000004 00000000 00000200 cbc08000 c02c50a0 c1279f78  
c02ce518 c02c3a9f
        c1279f7c 00000000 00000000 00000200 00b00000 c02333e0  
c02327a7 cbc08000
Call Trace:
[<c023507e>] kick_pending_request_queues+0x1e/0x40
[<c0234f98>] connect+0xe8/0x130
[<c02333e0>] otherend_changed+0x0/0xa0
[<c02327a7>] xenwatch_thread+0x87/0x140
[<c01353d0>] autoremove_wake_function+0x0/0x60
[<c0232720>] xenwatch_thread+0x0/0x140
[<c0134ee7>] kthread+0xc7/0xd0
[<c0134e20>] kthread+0x0/0xd0
[<c01077fd>] kernel_thread_helper+0x5/0x18
Code: 00 00 00 8b 44 24 04 8b 48 60 ff e1 8d b4 26 00 00 00 00 81 44  
24 04 a0 00 00 00 e9 d3 25 00 00 8d 76 00 53 83 ec 04 8b 5c 24 0c  
<f0> 0f ba b3 04 01 00 00 02 f0 0f ba ab 04 01 00 00 06 19 c0 85
<6>IP: routing cache hash table of 2048 buckets, 16Kbytes

I switched to using hda1/hda2 combo and the domU came up. This may be  
particular to my mobo setup, have seen this type of problem on and  
off since testing the hg stuff before 3.0 was released.

disk = [ 'phy:VolGroup01/debian,hda1,w' , 'phy:VolGroup01/ 
debswap,hda2,w']


The part that really messes with me is the domU is a debian image  
from jailtime.org and its fstab is

dev/sdd1       /       ext3    errors=remount-ro       0       1
/dev/sdd2       none    swap    sw                      0       0
proc            /proc   proc    defaults                0       0

I am a tad out of the loop, but from what I recall in the past the  
fstab had to match what was provided in the domU's config.

kernel-xenU-2.6.16-1.2080_FC5
kernel-xen0-2.6.16-1.2080_FC5

This also was a yum upgrade.

Should I bugzilla this or is the target still moving :-)

Regards,
Ted








More information about the Fedora-xen mailing list