'[uml-devel] crash of a host'

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List:       user-mode-linux-devel
Subject:    [uml-devel] crash of a host
From:       Sebastian_Böhm <seb () exse ! net>
Date:       2004-09-20 16:28:34
Message-ID: 414F0532.503 () exse ! net
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Hi,

had a crash of a host which was running one uml instance:

Host is a linux 2.6.8 with "host-skas3-2.6.7-v2.patch".
Guest is a  "2.4.26-20040615UML-1um" (downloaded that kernel from 
umlazi, is a 2.4.24-1 patched 2.4.26)

/sebastian
-----------------------------------------
Sep 20 17:10:07 smuga kernel: c011f1eb
Sep 20 17:10:07 smuga kernel: Modules linked in: tun ipv6 8250 
serial_core 3c59x rtc reiserfs isofs ext2 ext3 jbd mbcache ide_
generic aec62xx trm290 alim15x3 hpt34x hpt366 ide_disk cmd64x piix 
rz1000 slc90e66 cs5530 opti621 ns87415 cy82c693 amd74xx sis
5513 via82cxxx serverworks ide_core unix
Sep 20 17:10:07 smuga kernel: CPU:    0
Sep 20 17:10:07 smuga kernel: EIP:    0060:[__dequeue_signal+139/416]    
Not tainted
Sep 20 17:10:07 smuga kernel: EFLAGS: 00010002   (2.6.8)
Sep 20 17:10:07 smuga kernel: EIP is at __dequeue_signal+0x8b/0x1a0
Sep 20 17:10:07 smuga kernel: eax: 00189d6c   ebx: 00000003   ecx: 
00000003   edx: 00189d6c
Sep 20 17:10:07 smuga kernel: esi: 00000000   edi: e7b36b2e   ebp: 
00000002   esp: da333eac
Sep 20 17:10:07 smuga kernel: ds: 007b   es: 007b   ss: 0068
Sep 20 17:10:07 smuga kernel: Process linux_virtual06 (pid: 14168, 
threadinfo=da332000 task=f79dc070)
Sep 20 17:10:07 smuga kernel: Stack: e7b36b2e f79dc594 8027b8c0 00000000 
00000000 da333f28 f79dc594 f79dc070
Sep 20 17:10:07 smuga kernel:        c011f388 e7b36b2e f79dc594 da333f28 
da332000 f79dc594 da332000 ffffe000
Sep 20 17:10:07 smuga kernel:        c012091c f79dc070 f79dc594 da333f28 
da332000 f79dc594 da333fc4 f79dc594
Sep 20 17:10:07 smuga kernel: Call Trace:
Sep 20 17:10:07 smuga kernel:  [dequeue_signal+136/144] 
dequeue_signal+0x88/0x90
Sep 20 17:10:07 smuga kernel:  [get_signal_to_deliver+92/736] 
get_signal_to_deliver+0x5c/0x2e0
Sep 20 17:10:07 smuga kernel:  [do_signal+149/288] do_signal+0x95/0x120
Sep 20 17:10:07 smuga kernel:  [schedule_timeout+109/192] 
schedule_timeout+0x6d/0xc0
Sep 20 17:10:07 smuga kernel:  [process_timeout+0/16] 
process_timeout+0x0/0x10
Sep 20 17:10:07 smuga kernel:  [sys_nanosleep+222/368] 
sys_nanosleep+0xde/0x170
Sep 20 17:10:07 smuga kernel:  [do_notify_resume+53/56] 
do_notify_resume+0x35/0x38
Sep 20 17:10:07 smuga kernel:  [work_notifysig+19/21] 
work_notifysig+0x13/0x15
Sep 20 17:10:07 smuga kernel: Code: 8b 00 0f 18 00 90 39 fa 75 eb 85 f6 
0f 84 86 00 00 00 8b 06
Sep 20 17:10:07 smuga kernel:  <1>Unable to handle kernel NULL pointer 
dereference at virtual address 00000010
Sep 20 17:10:07 smuga kernel: c011edcb
Sep 20 17:10:07 smuga kernel: Modules linked in: tun ipv6 8250 
serial_core 3c59x rtc reiserfs isofs ext2 ext3 jbd mbcache ide_
generic aec62xx trm290 alim15x3 hpt34x hpt366 ide_disk cmd64x piix 
rz1000 slc90e66 cs5530 opti621 ns87415 cy82c693 amd74xx sis
5513 via82cxxx serverworks ide_core unix
Sep 20 17:10:07 smuga kernel: CPU:    0
Sep 20 17:10:07 smuga kernel: EIP:    0060:[next_signal+27/80]    Not 
tainted
Sep 20 17:10:07 smuga kernel: EFLAGS: 00010046   (2.6.8)
Sep 20 17:10:07 smuga kernel: EIP is at next_signal+0x1b/0x50
Sep 20 17:10:07 smuga kernel: eax: ffffffff   ebx: 00000010   ecx: 
00000000   edx: 00000008
Sep 20 17:10:07 smuga kernel: esi: f7961bb4   edi: 00000008   ebp: 
f7961690   esp: e33fdea0
Sep 20 17:10:07 smuga kernel: ds: 007b   es: 007b   ss: 0068
Sep 20 17:10:07 smuga kernel: Process screen (pid: 14167, 
threadinfo=e33fc000 task=f7961690)
Sep 20 17:10:07 smuga kernel: Stack: 00000000 e33fdf28 c011f17b 00000008 
f7961bb4 c01a1acb 00000246 00000000
Sep 20 17:10:07 smuga kernel:        e33fdf28 f7961bb4 f7961690 c011f388 
00000008 f7961bb4 e33fdf28 e33fc000
Sep 20 17:10:07 smuga kernel:        f7961bb4 e33fc000 ffffe000 c012091c 
f7961690 f7961bb4 e33fdf28 e33fc000
Sep 20 17:10:07 smuga kernel: Call Trace:
Sep 20 17:10:07 smuga kernel:  [__dequeue_signal+27/416] 
__dequeue_signal+0x1b/0x1a0
Sep 20 17:10:07 smuga kernel:  [pty_write_room+43/48] 
pty_write_room+0x2b/0x30
Sep 20 17:10:07 smuga kernel:  [dequeue_signal+136/144] 
dequeue_signal+0x88/0x90
Sep 20 17:10:07 smuga kernel:  [get_signal_to_deliver+92/736] 
get_signal_to_deliver+0x5c/0x2e0
Sep 20 17:10:07 smuga kernel:  [do_signal+149/288] do_signal+0x95/0x120
Sep 20 17:10:07 smuga kernel:  [__pollwait+0/208] __pollwait+0x0/0xd0
Sep 20 17:10:07 smuga kernel:  [sys_select+564/1216] sys_select+0x234/0x4c0
Sep 20 17:10:07 smuga kernel:  [do_notify_resume+53/56] 
do_notify_resume+0x35/0x38
Sep 20 17:10:07 smuga kernel:  [work_notifysig+19/21] 
work_notifysig+0x13/0x15
Sep 20 17:10:07 smuga kernel: Code: 23 42 08 74 17 b9 01 00 00 00 0f bc 
c0 01 c1 8b 1c 24 8b 74
Sep 20 17:10:07 smuga kernel:  <1>Unable to handle kernel paging request 
at virtual address 6aa4c29d
Sep 20 17:10:07 smuga kernel: c011edcb
Sep 20 17:10:07 smuga kernel: Modules linked in: tun ipv6 8250 
serial_core 3c59x rtc reiserfs isofs ext2 ext3 jbd mbcache ide_
generic aec62xx trm290 alim15x3 hpt34x hpt366 ide_disk cmd64x piix 
rz1000 slc90e66 cs5530 opti621 ns87415 cy82c693 amd74xx sis
5513 via82cxxx serverworks ide_core unix
Sep 20 17:10:07 smuga kernel: CPU:    0
Sep 20 17:10:07 smuga kernel: EIP:    0060:[next_signal+27/80]    Not 
tainted
Sep 20 17:10:07 smuga kernel: EFLAGS: 00010046   (2.6.8)
Sep 20 17:10:07 smuga kernel: EIP is at next_signal+0x1b/0x50
Sep 20 17:10:07 smuga kernel: eax: ffffffff   ebx: 6aa4c29d   ecx: 
00000000   edx: 6aa4c295
Sep 20 17:10:07 smuga kernel: esi: c17f1b94   edi: 6aa4c295   ebp: 
c17f1670   esp: c17f3ea0
Sep 20 17:10:07 smuga kernel: ds: 007b   es: 007b   ss: 0068
Sep 20 17:10:07 smuga kernel: Process init (pid: 1, threadinfo=c17f2000 
task=c17f1670)
Sep 20 17:10:07 smuga kernel: Stack: 00000000 c17f3f28 c011f17b 6aa4c295 
c17f1b94 6986aa7a 00000246 00000000
Sep 20 17:10:07 smuga kernel:        c17f3f28 c17f1b94 c17f1670 c011f388 
6aa4c295 c17f1b94 c17f3f28 c17f2000
Sep 20 17:10:07 smuga kernel:        c17f1b94 c17f2000 ffffe000 c012091c 
c17f1670 c17f1b94 c17f3f28 c17f2000
Sep 20 17:10:07 smuga kernel: Call Trace:
Sep 20 17:10:07 smuga kernel:  [__dequeue_signal+27/416] 
__dequeue_signal+0x1b/0x1a0
Sep 20 17:10:07 smuga kernel:  [dequeue_signal+136/144] 
dequeue_signal+0x88/0x90
Sep 20 17:10:07 smuga kernel:  [get_signal_to_deliver+92/736] 
get_signal_to_deliver+0x5c/0x2e0
Sep 20 17:10:07 smuga kernel:  [do_signal+149/288] do_signal+0x95/0x120
Sep 20 17:10:07 smuga kernel:  [__pollwait+0/208] __pollwait+0x0/0xd0
Sep 20 17:10:07 smuga kernel:  [sys_select+564/1216] sys_select+0x234/0x4c0
Sep 20 17:10:07 smuga kernel:  [do_notify_resume+53/56] 
do_notify_resume+0x35/0x38
Sep 20 17:10:07 smuga kernel:  [work_notifysig+19/21] 
work_notifysig+0x13/0x15
Sep 20 17:10:07 smuga kernel: Code: 23 42 08 74 17 b9 01 00 00 00 0f bc 
c0 01 c1 8b 1c 24 8b 74
Sep 20 17:10:07 smuga kernel:  <0>Kernel panic: Attempted to kill init!
Sep 20 18:00:06 smuga syslogd 1.4.1#15: restart.


["seb.vcf" (text/x-vcard)]
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