* [Question] Has anyone tried kexec/kdump @ 2010-04-28 9:07 ` Jiang, Yunhong 2010-09-07 22:38 ` Bruce Edge 0 siblings, 1 reply; 4+ messages in thread From: Jiang, Yunhong @ 2010-04-28 9:07 UTC (permalink / raw) To: xen-devel 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 ]--- ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Question] Has anyone tried kexec/kdump 2010-04-28 9:07 ` [Question] Has anyone tried kexec/kdump Jiang, Yunhong @ 2010-09-07 22:38 ` Bruce Edge 2010-09-08 14:42 ` Jiang, Yunhong 0 siblings, 1 reply; 4+ messages in thread From: Bruce Edge @ 2010-09-07 22:38 UTC (permalink / raw) To: Jiang, Yunhong; +Cc: xen-devel [-- Attachment #1.1: Type: text/plain, Size: 4960 bytes --] On Wed, Apr 28, 2010 at 2:07 AM, Jiang, Yunhong <yunhong.jiang@intel.com>wrote: > I tried kexec on xen environment and get followed error. Does anyone meet > similar issues? Does anyone try kexec/kdump recendly? > Did you ever get this working? I noticed that the kdump docs state that you have to have CONFIG_SMP=n (Documentation/kdump/kdump.txt), this seems like a huge limitation in this era of multicore machines. -Bruce > 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 ]--- > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel > [-- Attachment #1.2: Type: text/html, Size: 5680 bytes --] [-- Attachment #2: Type: text/plain, Size: 138 bytes --] _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel ^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: [Question] Has anyone tried kexec/kdump 2010-09-07 22:38 ` Bruce Edge @ 2010-09-08 14:42 ` Jiang, Yunhong 2010-09-08 16:18 ` Bruce Edge 0 siblings, 1 reply; 4+ messages in thread From: Jiang, Yunhong @ 2010-09-08 14:42 UTC (permalink / raw) To: Bruce Edge; +Cc: xen-devel [-- Attachment #1.1: Type: text/plain, Size: 5415 bytes --] I forgot in which step in my experiment that the BUG happens, so not sure if it is related to the UP/SMP kexec kernel. But yes, I didn't notice this UP requirement, will try it in future. Thanks for remind. (BTW, this is only for the kexec kernel so it should be acceptable). Thanks --jyh From: Bruce Edge [mailto:bruce.edge@gmail.com] Sent: Wednesday, September 08, 2010 6:38 AM To: Jiang, Yunhong Cc: xen-devel Subject: Re: [Xen-devel] [Question] Has anyone tried kexec/kdump On Wed, Apr 28, 2010 at 2:07 AM, Jiang, Yunhong <yunhong.jiang@intel.com<mailto:yunhong.jiang@intel.com>> wrote: I tried kexec on xen environment and get followed error. Does anyone meet similar issues? Does anyone try kexec/kdump recendly? Did you ever get this working? I noticed that the kdump docs state that you have to have CONFIG_SMP=n (Documentation/kdump/kdump.txt), this seems like a huge limitation in this era of multicore machines. -Bruce 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 ]--- _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com<mailto:Xen-devel@lists.xensource.com> http://lists.xensource.com/xen-devel [-- Attachment #1.2: Type: text/html, Size: 10465 bytes --] [-- Attachment #2: Type: text/plain, Size: 138 bytes --] _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Question] Has anyone tried kexec/kdump 2010-09-08 14:42 ` Jiang, Yunhong @ 2010-09-08 16:18 ` Bruce Edge 0 siblings, 0 replies; 4+ messages in thread From: Bruce Edge @ 2010-09-08 16:18 UTC (permalink / raw) To: Jiang, Yunhong; +Cc: xen-devel [-- Attachment #1.1: Type: text/plain, Size: 5775 bytes --] On Wed, Sep 8, 2010 at 7:42 AM, Jiang, Yunhong <yunhong.jiang@intel.com>wrote: > I forgot in which step in my experiment that the BUG happens, so not sure > if it is related to the UP/SMP kexec kernel. > > But yes, I didn't notice this UP requirement, will try it in future. Thanks > for remind. > > (BTW, this is only for the kexec kernel so it should be acceptable). > That's a very meaningful point. One that's not made explicitly clear in the docs. Thanks for pointing it out, that makes a big difference. -Bruce > > > Thanks > > --jyh > > > > > > *From:* Bruce Edge [mailto:bruce.edge@gmail.com] > *Sent:* Wednesday, September 08, 2010 6:38 AM > *To:* Jiang, Yunhong > *Cc:* xen-devel > *Subject:* Re: [Xen-devel] [Question] Has anyone tried kexec/kdump > > > > > > On Wed, Apr 28, 2010 at 2:07 AM, Jiang, Yunhong <yunhong.jiang@intel.com> > wrote: > > I tried kexec on xen environment and get followed error. Does anyone meet > similar issues? Does anyone try kexec/kdump recendly? > > > > Did you ever get this working? > > > > I noticed that the kdump docs state that you have to have CONFIG_SMP=n > (Documentation/kdump/kdump.txt), this seems like a huge limitation in this > era of multicore machines. > > > > -Bruce > > > > 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 ]--- > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel > > > [-- Attachment #1.2: Type: text/html, Size: 9099 bytes --] [-- Attachment #2: Type: text/plain, Size: 138 bytes --] _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel ^ permalink raw reply [flat|nested] 4+ messages in thread
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2010-04-28 9:07 ` [Question] Has anyone tried kexec/kdump Jiang, Yunhong
2010-09-07 22:38 ` Bruce Edge
2010-09-08 14:42 ` Jiang, Yunhong
2010-09-08 16:18 ` Bruce Edge
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