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Gmane
From: Stefan Hofmann <sh <at> luci.de>
Subject: [uml-user] Kernel panic - not syncing: Kernel mode signal 7 (with 2.6.17.1 and .2)
Newsgroups: gmane.linux.uml.user
Date: Saturday 1st July 2006 07:49:59 UTC (over 11 years ago)
Hi *,

after upgrading my (host + guest) debian system to 2.6.17.2, I often get
an uml kernel panic like this:

(Rem.: host-kernel with the new skas-v9-pre-patch)

Any comments?

Thanks and Greetings,
stefan


EIP: 0073:[<08059550>] CPU: 0 Not tainted ESP: 007b:bfecfae4 EFLAGS:
00010287
    Not tainted
EAX: 08241fa8 EBX: 08241f88 ECX: 08241110 EDX: 00000f2c
ESI: 08241f88 EDI: 080c03c0 EBP: bfecfb0c DS: 007b ES: 007b
0ad8b7b8:  [<080853bd>] notifier_call_chain+0x27/0x3e
0ad8b7d0:  [<0805b60c>] relay_signal+0x0/0x97
0ad8b7d4:  [<080769e7>] panic+0x70/0x102
0ad8b7ec:  [<0805b6a3>] bus_handler+0x0/0x5b
0ad8b808:  [<0806e42a>] sig_handler_common_skas+0x92/0xe1
0ad8b828:  [<0806a2d9>] sig_handler+0x35/0x52
0ad8b87c:  [<080a3808>] do_anonymous_page+0x5f/0x15b
0ad8b8d0:  [<080c1989>] do_lookup+0x50/0xa8
0ad8b8dc:  [<080cb94d>] dput+0x23/0x128
0ad8b8f0:  [<080c262b>] __link_path_walk+0xc4a/0xe76
0ad8b930:  [<0806403d>] cowify_req+0xd0/0x1c2
0ad8b96c:  [<08067ab7>] file_io+0x22/0x7d
0ad8b98c:  [<0805ca82>] maybe_map+0x36/0xc2
0ad8b9a4:  [<0806ccba>] map+0xee/0x17a
0ad8b9bc:  [<0805cb5e>] do_op+0x50/0x54
0ad8b9c8:  [<08067ab7>] file_io+0x22/0x7d
0ad8b9e8:  [<08067b74>] os_write_file+0x2f/0x33
0ad8b9f8:  [<08055ab0>] _init+0x138/0x898
0ad8b9fc:  [<08058ce7>] copy_to_user_proc+0x0/0x5
0ad8ba00:  [<0806ccba>] map+0xee/0x17a
0ad8ba10:  [<08057c86>] find_phys_mapping+0xf/0x15EIP: 0073:[<08059550>]
CPU: 0 Not tainted ESP: 007b:bfecfae4 EFLAGS: 00010287
    Not tainted
EAX: 08241fa8 EBX: 08241f88 ECX: 08241110 EDX: 00000f2c
ESI: 08241f88 EDI: 080c03c0 EBP: bfecfb0c DS: 007b ES: 007b
0ad8b7b8:  [<080853bd>] notifier_call_chain+0x27/0x3e
0ad8b7d0:  [<0805b60c>] relay_signal+0x0/0x97
0ad8b7d4:  [<080769e7>] panic+0x70/0x102
0ad8b7ec:  [<0805b6a3>] bus_handler+0x0/0x5b
0ad8b808:  [<0806e42a>] sig_handler_common_skas+0x92/0xe1
0ad8b828:  [<0806a2d9>] sig_handler+0x35/0x52
0ad8b87c:  [<080a3808>] do_anonymous_page+0x5f/0x15b
0ad8b8d0:  [<080c1989>] do_lookup+0x50/0xa8
0ad8b8dc:  [<080cb94d>] dput+0x23/0x128
0ad8b8f0:  [<080c262b>] __link_path_walk+0xc4a/0xe76
0ad8b930:  [<0806403d>] cowify_req+0xd0/0x1c2
0ad8b96c:  [<08067ab7>] file_io+0x22/0x7d
0ad8b98c:  [<0805ca82>] maybe_map+0x36/0xc2
0ad8b9a4:  [<0806ccba>] map+0xee/0x17a
0ad8b9bc:  [<0805cb5e>] do_op+0x50/0x54
0ad8b9c8:  [<08067ab7>] file_io+0x22/0x7d
0ad8b9e8:  [<08067b74>] os_write_file+0x2f/0x33
0ad8b9f8:  [<08055ab0>] _init+0x138/0x898
0ad8b9fc:  [<08058ce7>] copy_to_user_proc+0x0/0x5
0ad8ba00:  [<0806ccba>] map+0xee/0x17a
0ad8ba10:  [<08057c86>] find_phys_mapping+0xf/0x15
0ad8ba18:  [<0805849c>] phys_mapping+0x31/0x105
0ad8ba78:  [<0809ab19>] buffered_rmqueue+0xef/0x165
0ad8baa4:  [<0809acba>] get_page_from_freelist+0x8c/0xa6
0ad8bacc:  [<0809ad30>] __alloc_pages+0x5c/0x31e
0ad8bb24:  [<0809b379>] mod_page_state_offset+0x23/0x41
0ad8bb38:  [<080a3c68>] __handle_mm_fault+0xbe/0x1f3
0ad8bb6c:  [<0805b11e>] handle_page_fault+0xee/0x219
0ad8bbac:  [<0805b358>] segv+0x99/0x2c8
0ad8bbd4:  [<080a4c53>] sys_brk+0x110/0x114
0ad8bc00:  [<0805c752>] handle_syscall+0x6a/0xf0
0ad8bc60:  [<0806d344>] get_skas_faultinfo+0x35/0x94
0ad8bc78:  [<0806d3fe>] handle_segv+0x5b/0x63
0ad8bc98:  [<0806da64>] userspace+0x1d5/0x1fe
0ad8bcf0:  [<0805c434>] fork_handler+0xef/0xff
0ad8ba18:  [<0805849c>] phys_mapping+0x31/0x105
0ad8ba78:  [<0809ab19>] buffered_rmqueue+0xef/0x165
0ad8baa4:  [<0809acba>] get_page_from_freelist+0x8c/0xa6
0ad8bacc:  [<0809ad30>] __alloc_pages+0x5c/0x31e
0ad8bb24:  [<0809b379>] mod_page_state_offset+0x23/0x41
0ad8bb38:  [<080a3c68>] __handle_mm_fault+0xbe/0x1f3
0ad8bb6c:  [<0805b11e>] handle_page_fault+0xee/0x219
0ad8bbac:  [<0805b358>] segv+0x99/0x2c8
0ad8bbd4:  [<080a4c53>] sys_brk+0x110/0x114
0ad8bc00:  [<0805c752>] handle_syscall+0x6a/0xf0
0ad8bc60:  [<0806d344>] get_skas_faultinfo+0x35/0x94
0ad8bc78:  [<0806d3fe>] handle_segv+0x5b/0x63
0ad8bc98:  [<0806da64>] userspace+0x1d5/0x1fe
0ad8bcf0:  [<0805c434>] fork_handler+0xef/0xff




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