From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jiang, Yunhong" <yunhong.jiang@intel.com>
Subject: [Question] Has anyone tried kexec/kdump
Date: Wed, 28 Apr 2010 17:07:21 +0800
Message-ID: <789F9655DD1B8F43B48D77C5D30659731D8B3BED@shsmsx501.ccr.corp.intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
Return-path: <xen-devel-bounces@lists.xensource.com>
Content-Language: en-US
List-Unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: xen-devel <xen-devel@lists.xensource.com>
List-Id: xen-devel@lists.xenproject.org

I tried kexec on xen environment and get followed error. Does anyone meet s=
imilar 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 ke=
rnel 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 1107806=
7 PMD 0=20
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] Oops: 0000 [#1] SMP=20
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] last sysfs file: /sys/mo=
dule/libata/version
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] CPU 0=20
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] Modules linked in: igb s=
g sr_mod cdrom ata_generic pata_acpi ahci ide_gd_mod ide_core usb_storage a=
ta_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 N=
ot 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:[<ffffffff8102=
c39a>]  [<ffffffff8102c39a>] xen_page_pinned+0x1d/0x3c
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] RSP: e02b:ffff880011011e=
18  EFLAGS: 00010246
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] RAX: 0000000000000000 RB=
X: 0000000780000000 RCX: ffff880011011e38
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] RDX: 0000000000000000 RS=
I: 000000002dbb4063 RDI: 00000000000f0000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] RBP: ffff880011011e28 R0=
8: 0000000000000003 R09: ffff880011011e38
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] R10: ffff880011011e38 R1=
1: 0000000000000002 R12: ffff880011004000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] R13: 0000000000000001 R1=
4: 000000002dbb4063 R15: ffff88001104f000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] FS:  00007f0311e606f0(00=
00) GS:ffffc90000000000(0000) knlGS:0000000000000000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] CS:  e033 DS: 0000 ES: 0=
000 CR0: 000000008005003b
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] CR2: 0000000000000000 CR=
3: 00000000110a1000 CR4: 0000000000002660
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] DR0: 0000000000000000 DR=
1: 0000000000000000 DR2: 0000000000000000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] DR3: 0000000000000000 DR=
6: 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 ffff88=
0011004000 ffff880011011e58 ffffffff8102d58d
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] <0> ffff880011004000 000=
0000040000000 ffff880011039000 0000008000000000
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003] <0> ffff880011011e68 fff=
fffff8104ab25 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>] xe=
n_set_pgd+0x41/0xba
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  [<ffffffff8104ab25>] se=
t_pgd+0x17/0x1b
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  [<ffffffff8104b1ea>] ma=
chine_kexec_prepare+0x56b/0x60b
Apr 29 00:57:36 vt_wb_jimmy kernel: [   60.492003]  [<ffffffff81097110>] sy=
s_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>] sy=
stem_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 0=
1 c7 e8 22 f6 ff ff 5a 5b=20
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 4c3a1aad9=
172f2c6 ]---