Re: [Xen-devel] [xen-4.0-testing test] 2371: tolerable FAIL - PUSHED, saverestore failures

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Campbell writes ("Re: [Xen-devel] [xen-4.0-testing test] 2371: tolerable 
FAIL - PUSHED, saverestore failures"):
> Actually, that patch is more to do with the guest-saverestore.2
> failures. I'll likely get onto the migration failures next, assuming
> it's not the same issue.

I think we discussed the migration failures before.  My memory is
vague but I remember a conversation about missing gratuitous arps.
However looking at the logs the guest kernel oopses, immediately on
arrival at the destination.

I think this is necessarily the same problem as the
second-save-restore crash, since this is the first attempt to migrate
or save/restore this guest.

Ian.

[   42.254308] BUG: unable to handle kernel paging request at b72050a0
[   42.254308] IP: [<c102bc76>] xen_build_mfn_list_list+0x12f/0x14b
[   42.254308] *pdpt = 000000001fcbd007 *pde = 0000000000000000 
[   42.254308] Oops: 0002 [#1] SMP 
[   42.254308] last sysfs file: /sys/kernel/uevent_seqnum
[   42.254308] Modules linked in: [last unloaded: scsi_wait_scan]
[   42.254308] 
[   42.254308] Pid: 1504, comm: kstop/0 Not tainted (2.6.32.24 #1) 
[   42.254308] EIP: 0061:[<c102bc76>] EFLAGS: 00010002 CPU: 0
[   42.254308] EIP is at xen_build_mfn_list_list+0x12f/0x14b
[   42.254308] EAX: 0012d3e5 EBX: 15555000 ECX: 0012d3e5 EDX: 00000000
[   42.254308] ESI: c18fc000 EDI: 00000000 EBP: dfccdf38 ESP: dfccdf24
[   42.254308]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069
[   42.254308] Process kstop/0 (pid: 1504, ti=dfccc000 task=dfc5d440 
task.ti=dfccc000)
[   42.254308] Stack:
[   42.254308]  00000000 00000000 00000000 00000003 dfccdfac dfccdf44 c102dccc 
00000002
[   42.254308] <0> dfccdf60 c12258c1 dfc53f80 00000000 c18b3438 00000003 
dfccdfac dfccdf70
[   42.254308] <0> c109b456 c2644900 c26448e8 dfccdfb8 c10761c5 00000009 
dfc5d73c dfc5d440
[   42.254308] Call Trace:
[   42.254308]  [<c102dccc>] ? xen_post_suspend+0xb/0x7c
[   42.254308]  [<c12258c1>] ? xen_suspend+0x9b/0xcc
[   42.254308]  [<c109b456>] ? stop_cpu+0x7d/0xc9
[   42.254308]  [<c10761c5>] ? worker_thread+0x15b/0x1f8
[   42.254308]  [<c109b3d9>] ? stop_cpu+0x0/0xc9
[   42.254308]  [<c1079313>] ? autoremove_wake_function+0x0/0x33
[   42.254308]  [<c107606a>] ? worker_thread+0x0/0x1f8
[   42.254308]  [<c10790cb>] ? kthread+0x61/0x66
[   42.254308]  [<c107906a>] ? kthread+0x0/0x66
[   42.254308]  [<c1030c97>] ? kernel_thread_helper+0x7/0x10
[   42.254308] Code: 83 00 00 00 40 c1 e8 0c e8 cd f2 ff ff 8b 15 78 04 85 c1 
8b 4d f0 89 04 8a 8b 06 05 00 00 00 40 c1 e8 0c e8 b2 f2 ff ff 
8b 55 ec <89> 04 93 81 c7 00 04 00 00 3b 3d b0 0d 7c c1 0f 82 29 ff ff ff 
[   42.254308] EIP: [<c102bc76>] xen_build_mfn_list_list+0x12f/0x14b SS:ESP 
0069:dfccdf24
[   42.254308] CR2: 00000000b72050a0
[   42.254308] ---[ end trace fd36af022f682e6b ]---
[   42.254308] ------------[ cut here ]------------

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