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Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle kernel paging request
- To: xen-devel@xxxxxxxxxxxxxxxxxxx, Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Bruce Edge <bruce.edge@xxxxxxxxx>
- From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
- Date: Thu, 11 Nov 2010 04:26:35 -0800 (PST)
- Cc:
- Delivery-date: Thu, 11 Nov 2010 04:27:36 -0800
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- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Full stack trace obtained in text console of 2.6.37-rc1 PV guest :-
Attempt to scp generates output ( or maybe just time delay expired)
root@boris-HVM-domU:~# scp 1.log 192.168.1.12:/home/boris/ubuntu
BUG: unable to handle kernel paging request at ffff88000e676930
IP: [<ffffffff810069c3>] xen_set_pmd+0x24/0x44
PGD 1a04067 PUD 1a08067 PMD ee73067 PTE 801000000e676065
Oops: 0003 [#1] SMP
last sysfs file: /sys/devices/virtual/bdi/0:22/uevent
CPU 0
Modules linked in: nfs fscache parport_pc ppdev nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs ipv6 lp parport
Pid: 3534, comm: scp Not tainted 2.6.37-rc1 #1 /
RIP: e030:[<ffffffff810069c3>] [<ffffffff810069c3>] xen_set_pmd+0x24/0x44
RSP: e02b:ffff88006e697b18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88000e676930 RCX:
ffffc00000000f98
RDX: ffffea0000000000 RSI: 0000000000000000 RDI: ffff88000e676930
RBP: ffff88006e697b28 R08: 00007fff9d120000 R09: ffff88007ffc80a0
R10: 0000000000000000 R11: ffff88006e697ae8 R12: 0000000000000000
R13: ffff88007ffcb140 R14: ffff88000e676930 R15: ffff88006f08d7f8
FS: 00007fa525896700(0000) GS:ffff88007ffbd000(0000) knlGS:0000000000000000
CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffff88000e676930 CR3: 0000000077b0f000 CR4: 0000000000002660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process scp (pid: 3534, threadinfo ffff88006e696000, task ffff88007a32c2c0)
Stack:
00007fa524e00000 00007fa525b37000 ffff88006e697be8 ffffffff810dc4a4
ffff88007a26ac88 ffff88006e690298 ffff88007a26ac78 00007fa524a00000
00007f8000000000 00007fff80000000 00007fa525b36fff
00007fa525b36fff
Call Trace:
[<ffffffff810dc4a4>] free_pgd_range+0x213/0x397
[<ffffffff810dc6cc>] free_pgtables+0xa4/0xc7
[<ffffffff810dfd82>] exit_mmap+0xf2/0x12a
[<ffffffff8104a7c5>] mmput+0x5e/0xd1
[<ffffffff8110694b>] flush_old_exec+0x526/0x600
[<ffffffff8113e006>] load_elf_binary+0x2dc/0x1752
[<ffffffff8113b687>] ? load_misc_binary+0x6e/0x367
[<ffffffff811dcee4>] ? ima_must_measure+0x21/0x2b
[<ffffffff811dc7d6>] ? process_measurement+0x56/0xe4
[<ffffffff81106195>] search_binary_handler+0xbb/0x24d
[<ffffffff8113dd2a>] ? load_elf_binary+0x0/0x1752
[<ffffffff8110785d>] do_execve+0x1c1/0x2ae
[<ffffffff810119e5>] sys_execve+0x3e/0x55
[<ffffffff8100af9c>] stub_execve+0x6c/0xc0
Code: 48 83 c4 18 5b c9 c3 55 48 89 e5 41 54 49 89 f4 53 48 89 fb
e8 b5 e4 ff ff 48 89 df ff 05 3e 55 c3 00 e8 d5 dd ff ff 84 c0 75 05 <4c> 89 23 eb 16 e8 99 e4 ff ff 4c 89 e6 48 89 df ff 05 23 55 c3
RIP [<ffffffff810069c3>] xen_set_pmd+0x24/0x44
RSP <ffff88006e697b18>
CR2: ffff88000e676930
---[ end trace 073da74f4ce02315 ]---
lost connection
root@boris-HVM-domU:~# ------------[ cut here ]------------
kernel BUG at arch/x86/xen/mmu.c:1831!
invalid opcode: 0000 [#2] SMP
last sysfs file: /sys/devices/virtual/bdi/0:22/uevent
CPU 0
Modules linked in: nfs fscache parport_pc ppdev nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs ipv6 lp parport
Pid: 3536, comm: cron Tainted: G D 2.6.37-rc1 #1 /
RIP: e030:[<ffffffff81004bce>] [<ffffffff81004bce>] pin_pagetable_pfn+0x31/0x37
RSP: e02b:ffff88006d391cd8 EFLAGS: 00010282
RAX: 00000000ffffffea RBX: 000000000006d0f5 RCX:
0000000000000001
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88006d391cd8
RBP: ffff88006d391cf8 R08: 00003ffffffff000 R09: ffff880000000000
R10: 0000000000007ff0 R11: ffff880000000041 R12: 0000000000000003
R13: ffff88006f082010 R14: ffff88006e7c1420 R15: ffff88007a266340
FS: 00007f3e0f0f87a0(0000) GS:ffff88007ffbd000(0000) knlGS:0000000000000000
CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000406039 CR3: 000000006d2ad000 CR4: 0000000000002660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process cron (pid: 3536, threadinfo ffff88006d390000, task ffff88007a266340)
Stack:
ffff880000000000 00000000001411dd ffff88000e598b00 000000000006d0f5
ffff88006d391d18 ffffffff810066ce 000000000006d0f5 ffff88000e598b00
ffff88006d391d28 ffffffff81006701 ffff88006d391d68
ffffffff810dafc6
Call Trace:
[<ffffffff810066ce>] xen_alloc_ptpage+0x68/0x6d
[<ffffffff81006701>] xen_alloc_pte+0xe/0x10
[<ffffffff810dafc6>] __pte_alloc+0x72/0xd7
[<ffffffff810dd355>] handle_mm_fault+0x12f/0xa05
[<ffffffff8145665a>] do_page_fault+0x387/0x3a9
[<ffffffff81453715>] ? page_fault+0x25/0x30
[<ffffffff8145394a>] ? error_exit+0x2a/0x60
[<ffffffff8145349d>] ? retint_restore_args+0x5/0x6
[<ffffffff8120510d>] ? __put_user_4+0x1d/0x30
[<ffffffff81453715>] page_fault+0x25/0x30
Code: ec 20 89 7d e0 48 89 f7 e8 c0 ff ff ff 48 8d 7d e0 48 89 45 e8 be 01 00 00 00 31 d2 41 ba f0 7f 00 00 e8 76 c7 ff ff 85 c0 74 04 <0f> 0b eb fe c9 c3 55 48 89 e5 41 54 49 89 fc 53 31 db 48 8b 3d
RIP [<ffffffff81004bce>] pin_pagetable_pfn+0x31/0x37
RSP <ffff88006d391cd8>
---[ end
trace 073da74f4ce02316 ]---
Boris.
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