[Xen-devel] [Question] Has anyone tried kexec/kdump

["Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>]

I tried kexec on xen environment and get followed error. Does anyone meet 
similar issues? Does anyone try kexec/kdump recendly?
Xen Changeset: 21230:c87ec146229a and Dom0 is pvops dom0.

Thanks
--jyh

Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.491275] BUG: unable to handle kernel 
NULL pointer dereference at (null)
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] IP: [<ffffffff8102c39a>] 
xen_page_pinned+0x1d/0x3c
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] PGD 11006067 PUD 11078067 
PMD 0 
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] Oops: 0000 [#1] SMP 
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] last sysfs file: 
/sys/module/libata/version
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] CPU 0 
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] Modules linked in: igb sg 
sr_mod cdrom ata_generic pata_acpi ahci ide_gd_mod ide_core usb_storage 
ata_piix libata sd_mod scsi_mod ehci_hcd ohci_hcd uhci_hcd
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] Pid: 3591, comm: kexec Not 
tainted 2.6.31.13 #1 To Be Filled By O.E.M.
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] RIP: 
e030:[<ffffffff8102c39a>]  [<ffffffff8102c39a>] xen_page_pinned+0x1d/0x3c
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] RSP: e02b:ffff880011011e18  
EFLAGS: 00010246
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] RAX: 0000000000000000 RBX: 
0000000780000000 RCX: ffff880011011e38
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] RDX: 0000000000000000 RSI: 
000000002dbb4063 RDI: 00000000000f0000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] RBP: ffff880011011e28 R08: 
0000000000000003 R09: ffff880011011e38
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] R10: ffff880011011e38 R11: 
0000000000000002 R12: ffff880011004000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] R13: 0000000000000001 R14: 
000000002dbb4063 R15: ffff88001104f000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] FS:  00007f0311e606f0(0000) 
GS:ffffc90000000000(0000) knlGS:0000000000000000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] CS:  e033 DS: 0000 ES: 0000 
CR0: 000000008005003b
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] CR2: 0000000000000000 CR3: 
00000000110a1000 CR4: 0000000000002660
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] DR0: 0000000000000000 DR1: 
0000000000000000 DR2: 0000000000000000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] DR3: 0000000000000000 DR6: 
00000000ffff0ff0 DR7: 0000000000000400
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] Process kexec (pid: 3591, 
threadinfo ffff880011010000, task ffff880011893c80)
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] Stack:
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  ffff880011004000 
ffff880011004000 ffff880011011e58 ffffffff8102d58d
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] <0> ffff880011004000 
0000000040000000 ffff880011039000 0000008000000000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] <0> ffff880011011e68 
ffffffff8104ab25 ffff880011011ee8 ffffffff8104b1ea
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] Call Trace:
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  [<ffffffff8102d58d>] 
xen_set_pgd+0x41/0xba
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  [<ffffffff8104ab25>] 
set_pgd+0x17/0x1b
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  [<ffffffff8104b1ea>] 
machine_kexec_prepare+0x56b/0x60b
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  [<ffffffff81097110>] 
sys_kexec_load+0x27d/0x561
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  [<ffffffff81525bd0>] ? 
thread_return+0x7e/0x95
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  [<ffffffff810a6a68>] ? 
audit_syscall_entry+0xfe/0x12a
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  [<ffffffff81032c82>] 
system_call_fastpath+0x16/0x1b
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] Code: 48 89 c7 74 07 31 f6 
e8 c5 06 0a 00 c9 c3 55 48 89 e5 53 48 83 ec 08 e8 a9 a4 02 00 48 89 c3 48 c1 
eb 0c 48 89 df e8 1a f6 ff ff <48> 8b 38 48 6b c3 38 48 83 e7 fc 48 01 c7 e8 22 
f6 ff ff 5a 5b 
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] RIP  [<ffffffff8102c39a>] 
xen_page_pinned+0x1d/0x3c
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  RSP <ffff880011011e18>
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] CR2: 0000000000000000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] ---[ end trace 
4c3a1aad9172f2c6 ]---

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