[Xen-users] save restore not wroking

[Jonathan Ferland <jonathan.ferland@xxxxxxxxxxx>]

Hi all,

I installed xen-3.4.2 with the kernel 2.6.18.8 (the whole thing comming 
from the xen web page).
I compile and install it and it seems to be working correctly.

but when i do the following :
xm create vm2
wait for vm2 to be up
xm pci-detach vm2 07:00.0
xm save vm2 save.chk
xm restore save.chk

xen does not complain and let us restore the vm2. but when i got a 
console on it, i can see it crashed on the restore(the output of xm 
console vm2 is at the bottom)
does anyone have idea what i can do?

thanks,

Jonathan


----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at ....4.2/linux-2.6.18-xen.hg/drivers/xen/core/evtchn.c:1061
invalid opcode: 0000 [1] SMP
CPU 0
Modules linked in: autofs4 i2c_dev i2c_core ib_ipoib ipoib_helper ib_cm 
ib_sa ib_mad ib_core ip_conntrack_netbios_ns ipt_REJECT xt_state 
ip_conntrack nfnetlink iptable_filter ip_tables ip6t_REJECT xt_tcpudp 
ip6table_filter ip6_tables x_tables ipv6 binfmt_misc dm_multipath 
parport_pc lp parport mlx4_core dm_snapshot dm_zero dm_mirror dm_mod 
ide_disk ahci libata scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd usbcore
Pid: 1741, comm: suspend Not tainted 2.6.18.8-xen.el5 #9
RIP: e030:[<ffffffff8039c62d>]  [<ffffffff8039c62d>] irq_resume+0xdf/0x31b
RSP: e02b:ffff8801755afe60  EFLAGS: 00010006
RAX: 0000000000000013 RBX: 0000000000001000 RCX: 0000000000404156
RDX: ffff88000747a000 RSI: ffff8801755afe60 RDI: 0000000000000fff
RBP: 7fffffffffffffff R08: 8000000000000063 R09: 0000000000000000
R10: 0000000010013000 R11: 0000000000000001 R12: 0000780000000000
R13: 0000000080000000 R14: 0000000000000000 R15: ffff8801755aff00
FS:  00002b0072f9a3d0(0000) GS:ffffffff8057a000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process suspend (pid: 1741, threadinfo ffff8801755ae000, task 
ffff880175e270c0)
Stack:  0000000000404156 ffffffff8039ce7f 0000000200407ff0 ffffffff7fffffff
7fffffffffffffff 0000780000000000 0000000080000000 0000000000000000
ffff8801755aff00 ffffffff8039e4c4 0000000000000002 0000000000000000
Call Trace:
[<ffffffff8039ce7f>] gnttab_map+0xe2/0xef
[<ffffffff8039e4c4>] take_machine_down+0x504/0x5bc
[<ffffffff8039de47>] xen_resume_notifier+0x0/0x21
[<ffffffff8039dba2>] __shutdown_handler+0x0/0x59
[<ffffffff8039e62a>] __xen_suspend+0xae/0xf8
[<ffffffff8039de47>] xen_resume_notifier+0x0/0x21
[<ffffffff8039ddcb>] xen_suspend+0x5b/0xd7
[<ffffffff8020a040>] child_rip+0xa/0x12
[<ffffffff8039dba2>] __shutdown_handler+0x0/0x59
[<ffffffff8039dd70>] xen_suspend+0x0/0xd7
[<ffffffff8020a036>] child_rip+0x0/0x12


Code: 0f 0b 68 48 28 4b 80 c2 25 04 48 83 c0 01 48 3d 00 01 00 00
RIP  [<ffffffff8039c62d>] irq_resume+0xdf/0x31b
RSP <ffff8801755afe60>


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