[Xen-users] I keep getting kernel panics

[Anatol Ulrich <niemand@xxxxxxxxxxx>]

Hello,

I can't seem to get a stable xen on ubuntu 7.04 32bit.
First I suspected the network cards since the panics always had some 
networking pars inside them (sky2 driver, still a lot of changes in 
current linux kernel releases), but even after I installed different 
cards (realtek for DSL and intel 1000pro for lan) cards things just 
don't stabilize - for example, when I tried to reboot a solaris domu 
this happened:

pimp kernel: [ 9301.757331] kernel BUG at drivers/xen/core/evtchn.c:481!
pimp kernel: [ 9301.757358] invalid opcode: 0000 [#1]
pimp kernel: [ 9301.757383] SMP
pimp kernel: [ 9301.757799] CPU:    0
pimp kernel: [ 9301.757799] EIP:    0061:[retrigger_vector+62/80]    Not 
tainted VLI
pimp kernel: [ 9301.757800] EFLAGS: 00010046   (2.6.19-4-server #2)
pimp kernel: [ 9301.757876] EIP is at retrigger_vector+0x3e/0x50
pimp kernel: [ 9301.757903] eax: 00000000   ebx: 02080000   ecx: 
f5746000   edx: 0000001b
pimp kernel: [ 9301.757933] esi: c03dd900   edi: 0000010a   ebp: 
00000000   esp: eb01fe84
pimp kernel: [ 9301.757963] ds: 007b   es: 007b   ss: 0069
pimp kernel: [ 9301.757989] Process ip (pid: 12878, ti=eb01e000 
task=eaebc030 task.ti=eb01e000)
pimp kernel: [ 9301.758020] Stack: c014b691 c03dd900 0000010a c03dd928 
c014b355 00000000 ed7da8e0 00000000
pimp kernel: [ 9301.758088]        eb01ff21 eced7c00 00000083 00000182 
00000000 c0257ecb eced7800 c02583d4
pimp kernel: [ 9301.758156]        c0287cb1 eced7800 c02861b5 00000000 
00000001 eb01ff44 eb01ff14 c02cde32
pimp kernel: [ 9301.758224] Call Trace:
pimp kernel: [ 9301.758513]  [check_irq_resend+97/112] 
check_irq_resend+0x61/0x70
pimp kernel: [ 9301.758609]  [enable_irq+197/208] enable_irq+0xc5/0xd0
pimp kernel: [ 9301.758702]  [__netif_up+11/32] __netif_up+0xb/0x20
pimp kernel: [ 9301.758987]  [net_open+20/32] net_open+0x14/0x20
pimp kernel: [ 9301.759271]  [dev_open+49/112] dev_open+0x31/0x70
pimp kernel: [ 9301.759592]  [dev_change_flags+85/288] 
dev_change_flags+0x55/0x120
pimp kernel: [ 9301.759912]  [devinet_ioctl+1282/1792] 
devinet_ioctl+0x502/0x700
pimp kernel: [ 9301.760267]  [sock_ioctl+276/544] sock_ioctl+0x114/0x220
pimp kernel: [ 9301.760581]  [do_ioctl+43/144] do_ioctl+0x2b/0x90
pimp kernel: [ 9301.760707]  [vfs_ioctl+92/688] vfs_ioctl+0x5c/0x2b0
pimp kernel: [ 9301.760834]  [sys_ioctl+114/144] sys_ioctl+0x72/0x90
pimp kernel: [ 9301.760961]  [syscall_call+7/11] syscall_call+0x7/0xb
pimp kernel: [ 9301.760995]  
[__start___xen_guest+-1209143006/-1072726752] 0xb7ee7402
pimp kernel: [ 9301.761027]  =======================
pimp kernel: [ 9301.761052] Code: b8 01 00 00 00 c3 8d b4 26 00 00 00 00 
0f b7 d0 0f a3 91 80 08 00 00 19 c0 85 c0 74 0e f0 0f ab 91 00 08 00 00 
b8 01 00 00 00 c3 <0f> 0b e1 01 e9 8f 32 c0 eb e8 90 8d b4 26 00 00 00 
00 0f b7 04

what's happening?

- Anatol

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