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From: Toralf =?iso-8859-15?q?F=F6rster?= <toralf.foerster@gmx.de>
To: user-mode-linux-devel@lists.sourceforge.net
Subject: UML kernel failed to start betvee 2.6.8-rc8 and current git sources
Date: Thu, 10 Jul 2008 16:19:51 +0200
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Hm,

from v2.6.26-rc8 to v2.6.26-rc9-56-g6329d30 sth. affected UML, b/c my user =
mode linux kernel produces this :

=2E..
VFS: Mounted root (ext3 filesystem) readonly.
Registers -
        0       0x0
        1       0x0
        2       0x0
        3       0x0
        4       0x0
        5       0x0
        6       0x0
        7       0x0
        8       0x0
        9       0x0
        10      0x0
        11      0x0
        12      0x0
        13      0x0
        14      0x0
        15      0x0
        16      0x0
Kernel panic - not syncing: do_syscall_stub : PTRACE_SETREGS failed, errno =
=3D 5


EIP: 0073:[<b7eef424>] CPU: 0 Not tainted ESP: 007b:bfc0acf0 EFLAGS: 002002=
46
    Not tainted
EAX: 00000000 EBX: 00002e8f ECX: 00000013 EDX: 00002e8f
ESI: 00002e8b EDI: 00000000 EBP: 00000002 DS: 007b ES: 007b
17c6bd00:  [<080927c3>] notifier_call_chain+0x43/0x90
17c6bd24:  [<0809286e>] atomic_notifier_call_chain+0x2e/0x40
17c6bd3c:  [<08078eb6>] panic+0x76/0x110
17c6bd5c:  [<0806e4d3>] run_syscall_stub+0x2f3/0x300
17c6bd90:  [<0807044d>] write_ldt_entry+0x1ad/0x1c0
17c6bdd8:  [<08070c0e>] init_new_ldt+0x18e/0x3d0
17c6bdf0:  [<080a55a7>] __alloc_pages_internal+0x87/0x450
17c6be1c:  [<0806f105>] start_userspace+0x1a5/0x1f0
17c6be50:  [<0805ede1>] init_new_context+0x91/0x140
17c6be6c:  [<080c6789>] bprm_mm_init+0x49/0x1c0
17c6be78:  [<0806c485>] set_signals+0x25/0x30
17c6be80:  [<080be18a>] kmem_cache_alloc+0x4a/0xa0
17c6be98:  [<080c7e73>] do_execve+0x83/0x1e0
17c6bebc:  [<0805a685>] execve1+0x35/0x60
17c6bedc:  [<0805a714>] um_execve+0x14/0x50
17c6bee0:  [<080ce4cb>] dupfd+0xfb/0x130
17c6beec:  [<0805ce8f>] kernel_execve+0x3f/0x50
17c6bf08:  [<0805a302>] run_init_process+0x22/0x30
17c6bf18:  [<0805a3c6>] init_post+0xb6/0x100
17c6bf2c:  [<080496e1>] kernel_init+0x251/0x2b0
17c6bf54:  [<08055400>] tcp_congestion_default+0x0/0x20
17c6bfa4:  [<08075b36>] finish_task_switch+0x26/0x80
17c6bfbc:  [<0806b0b3>] run_kernel_thread+0x43/0x50
17c6bfd8:  [<0806b08f>] run_kernel_thread+0x1f/0x50
17c6bfe4:  [<0805be11>] new_thread_handler+0x61/0x90
17c6bfe8:  [<08049490>] kernel_init+0x0/0x2b0

Terminated

=2D-=20
MfG/Sincerely

Toralf F=F6rster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3

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