Kernel crash, oops follows.

Christopher Blizzard (blizzard@appliedtheory.com)
Wed, 18 Mar 1998 21:56:12 +0000


Well, for the first time in about 8 months, my Linux box crashed
myseriously. It was running 2.0.33. I'm upgrading to 2.0.34 pre-2 to
see if it makes a difference. I have a BugLogic SCSI controller and a
3c590 Vortex. The machine is a pretty stock RedHat 5.0 install,
patched.

The process you see below "egg_beater" is a heavy duty network I/O
multi-threaded process. It will attempt to run about 20-30 threads,
each one opening and closing sockets. If the cause of this is well
known to people, please let me know what I can do to remedy it. If this
isn't enough information, please let me know as well. :) This program
works quite well on Slowlaris.

I'm not on this list so any responses or questions should be sent back
directly to me at my email address. Thanks!

--Chris

-----------------

Mar 18 10:09:36 odin kernel: general protection: 0000
Mar 18 10:09:36 odin kernel: CPU: 0
Mar 18 10:09:36 odin kernel: EIP: 0010:[skb_recv_datagram+287/376]
Mar 18 10:09:36 odin kernel: EFLAGS: 00010006
Mar 18 10:09:36 odin kernel: eax: 6d206f6e ebx: 00000246 ecx:
00000000 edx: 6d206f6e
Mar 18 10:09:36 odin kernel: esi: 02ff3018 edi: 02ff30d8 ebp:
00000000 esp: 02e43e40
Mar 18 10:09:36 odin kernel: ds: 0018 es: 0018 fs: 002b gs: 002b
ss: 0018
Mar 18 10:09:36 odin kernel: Process egg_beater (pid: 25218, process nr:
87, stackpage=02e43000)
Mar 18 10:09:36 odin kernel: Stack: 02ff3018 02e43ee4 02ff3018 02e43f64
0014c6ed 02ff3018 00000000 00000000
Mar 18 10:09:36 odin kernel: 02e43e78 02ff3018 02e43ed8 00000000
00000000 0012cc6a 015d5100 00150b96
Mar 18 10:09:36 odin kernel: 02ff3018 02e43f64 00000400 00000000
00000000 02e43ed8 00000400 012bd200
Mar 18 10:09:36 odin kernel: Call Trace: [udp_recvmsg+53/176]
[check+50/132] [inet_recvmsg+114/136] [sys_recvfrom+303/372]
[sk_alloc+16/48] [inet_create+0/884] [get
_fd+22/124]
Mar 18 10:09:36 odin kernel: [inet_create+0/884]
[sys_socket+261/324] [sys_socketcall+571/732] [system_call+85/124]
Mar 18 10:09:36 odin kernel: Code: 8b 10 ff 8e c8 00 00 00 89 7a 04 89
96 c0 00 00 00 c7 00 00
Mar 18 10:09:36 odin kernel: general protection: 0000
Mar 18 10:09:36 odin kernel: CPU: 0
Mar 18 10:09:36 odin kernel: EIP: 0010:[skb_recv_datagram+287/376]
Mar 18 10:09:36 odin kernel: EFLAGS: 00010006
Mar 18 10:09:36 odin kernel: eax: 6d206f6e ebx: 00000246 ecx:
00000000 edx: 6d206f6e
Mar 18 10:09:36 odin kernel: esi: 02ff3018 edi: 02ff30d8 ebp:
00000000 esp: 02e01e40
Mar 18 10:09:36 odin kernel: ds: 0018 es: 0018 fs: 002b gs: 002b
ss: 0018
Mar 18 10:09:36 odin kernel: Process egg_beater (pid: 25217, process nr:
86, stackpage=02e01000)
Mar 18 10:09:36 odin kernel: Stack: 02ff3018 02e01ee4 02ff3018 02e01f64
0014c6ed 02ff3018 00000000 00000000
Mar 18 10:09:36 odin kernel: 02e01e78 02ff3018 02e01ed8 00000000
00000000 0012cc6a 015d5100 00150b96
Mar 18 10:09:36 odin kernel: 02ff3018 02e01f64 00000400 00000000
00000000 02e01ed8 00000400 012bd200
Mar 18 10:09:36 odin kernel: Call Trace: [udp_recvmsg+53/176]
[check+50/132] [inet_recvmsg+114/136] [sys_recvfrom+303/372]
[sk_alloc+16/48] [inet_create+0/884] [get
_fd+22/124]
Mar 18 10:09:36 odin kernel: [inet_create+0/884]
[sys_socket+261/324] [sys_socketcall+571/732] [system_call+85/124]
Mar 18 10:09:36 odin kernel: Code: 8b 10 ff 8e c8 00 00 00 89 7a 04 89
96 c0 00 00 00 c7 00 00
Mar 18 10:09:36 odin kernel: general protection: 0000
Mar 18 10:09:36 odin kernel: CPU: 0
Mar 18 10:09:36 odin kernel: EIP: 0010:[skb_recv_datagram+287/376]
Mar 18 10:09:36 odin kernel: EFLAGS: 00010006
Mar 18 10:09:36 odin kernel: eax: 6d206f6e ebx: 00000246 ecx:
00000000 edx: 6d206f6e
Mar 18 10:09:36 odin kernel: esi: 02ff3018 edi: 02ff30d8 ebp:
00000000 esp: 02f44e40
Mar 18 10:09:36 odin kernel: ds: 0018 es: 0018 fs: 002b gs: 002b
ss: 0018
Mar 18 10:09:36 odin kernel: Process egg_beater (pid: 25223, process nr:
92, stackpage=02f44000)
Mar 18 10:09:36 odin kernel: Stack: 02ff3018 02f44ee4 02ff3018 02f44f64
0014c6ed 02ff3018 00000000 00000000
Mar 18 10:09:36 odin kernel: 02f44e78 02ff3018 02f44ed8 00000000
00000000 0012cc6a 015d5100 00150b96
Mar 18 10:09:36 odin kernel: 02ff3018 02f44f64 00000400 00000000
00000000 02f44ed8 00000400 012bd200
Mar 18 10:09:36 odin kernel: Call Trace: [udp_recvmsg+53/176]
[check+50/132] [inet_recvmsg+114/136] [sys_recvfrom+303/372]
[inet_sendmsg+149/172] [sys_send+221/240]
[sys_socketcall+571/732]
Mar 18 10:09:36 odin kernel: [system_call+85/124]
Mar 18 10:09:36 odin kernel: Code: 8b 10 ff 8e c8 00 00 00 89 7a 04 89
96 c0 00 00 00 c7 00 00
Mar 18 10:10:15 odin kernel: CDROM not ready. Make sure there is a disc
in the drive.
Mar 18 10:11:04 odin kernel: Disc change detected.
Mar 18 11:20:48 odin kernel: CDROM not ready. Make sure there is a disc
in the drive.
Mar 18 11:23:01 odin kernel: Disc change detected.
Mar 18 15:51:11 odin kernel: CDROM not ready. Make sure there is a disc
in the drive.
Mar 18 15:52:41 odin kernel: Disc change detected.
Mar 18 16:12:29 odin kernel: general protection: 0000
Mar 18 16:12:29 odin kernel: CPU: 0
Mar 18 16:12:29 odin kernel: EIP: 0010:[skb_recv_datagram+287/376]
Mar 18 16:12:29 odin kernel: EFLAGS: 00010006
Mar 18 16:12:29 odin kernel: eax: 7320746e ebx: 00000246 ecx:
00000000 edx: 7320746e
Mar 18 16:12:29 odin kernel: esi: 031ad018 edi: 031ad0d8 ebp:
00000000 esp: 03850e40
Mar 18 16:12:29 odin kernel: ds: 0018 es: 0018 fs: 002b gs: 002b
ss: 0018
Mar 18 16:12:29 odin kernel: Process egg_beater (pid: 26530, process nr:
87, stackpage=03850000)
Mar 18 16:12:29 odin kernel: Stack: 031ad018 03850ee4 031ad018 03850f64
0014c6ed 031ad018 00000000 00000000
Mar 18 16:12:29 odin kernel: 03850e78 031ad018 03850ed8 00000000
00000000 0012cc6a 01266800 00150b96
Mar 18 16:12:29 odin kernel: 031ad018 03850f64 00000400 00000000
00000000 03850ed8 00000400 014a4d00
Mar 18 16:12:29 odin kernel: Call Trace: [udp_recvmsg+53/176]
[check+50/132] [inet_recvmsg+114/136] [sys_recvfrom+303/372]
[sk_alloc+16/48] [inet_create+0/884] [get
_fd+22/124]
Mar 18 16:12:29 odin kernel: [inet_create+0/884]
[sys_socket+261/324] [sys_socketcall+571/732] [system_call+85/124]
Mar 18 16:12:29 odin kernel: Code: 8b 10 ff 8e c8 00 00 00 89 7a 04 89
96 c0 00 00 00 c7 00 00
Mar 18 16:12:29 odin kernel: general protection: 0000
Mar 18 16:12:29 odin kernel: CPU: 0
Mar 18 16:12:29 odin kernel: EIP: 0010:[skb_recv_datagram+287/376]
Mar 18 16:12:29 odin kernel: EFLAGS: 00010006
Mar 18 16:12:29 odin kernel: eax: 7320746e ebx: 00000246 ecx:
00000000 edx: 7320746e
Mar 18 16:12:29 odin kernel: esi: 031ad018 edi: 031ad0d8 ebp:
00000000 esp: 017fee40
Mar 18 16:12:29 odin kernel: ds: 0018 es: 0018 fs: 002b gs: 002b
ss: 0018
Mar 18 16:12:29 odin kernel: Process egg_beater (pid: 26529, process nr:
86, stackpage=017fe000)
Mar 18 16:12:29 odin kernel: Stack: 031ad018 017feee4 031ad018 017fef64
0014c6ed 031ad018 00000000 00000000
Mar 18 16:12:29 odin kernel: 017fee78 031ad018 017feed8 00000000
00000000 0012cc6a 01266800 00150b96
Mar 18 16:12:29 odin kernel: 031ad018 017fef64 00000400 00000000
00000000 017feed8 00000400 014a4d00
Mar 18 16:12:29 odin kernel: Call Trace: [udp_recvmsg+53/176]
[check+50/132] [inet_recvmsg+114/136] [sys_recvfrom+303/372]
[sk_alloc+16/48] [inet_create+0/884] [get
_fd+22/124]
Mar 18 16:12:29 odin kernel: [inet_create+0/884]
[sys_socket+261/324] [sys_socketcall+571/732] [system_call+85/124]
Mar 18 16:12:29 odin kernel: Code: 8b 10 ff 8e c8 00 00 00 89 7a 04 89
96 c0 00 00 00 c7 00 00
Mar 18 16:12:29 odin kernel: general protection: 0000
Mar 18 16:12:29 odin kernel: CPU: 0
Mar 18 16:12:29 odin kernel: EIP: 0010:[skb_recv_datagram+287/376]
Mar 18 16:12:29 odin kernel: EFLAGS: 00010006
Mar 18 16:12:29 odin kernel: eax: 7320746e ebx: 00000246 ecx:
00000000 edx: 7320746e
Mar 18 16:12:29 odin kernel: esi: 031ad018 edi: 031ad0d8 ebp:
00000000 esp: 01714e40
Mar 18 16:12:29 odin kernel: ds: 0018 es: 0018 fs: 002b gs: 002b
ss: 0018
Mar 18 16:12:29 odin kernel: Process egg_beater (pid: 26528, process nr:
85, stackpage=01714000)
Mar 18 16:12:29 odin kernel: Stack: 031ad018 01714ee4 031ad018 01714f64
0014c6ed 031ad018 00000000 00000000
Mar 18 16:12:29 odin kernel: 01714e78 031ad018 01714ed8 00000000
00000000 0012cc6a 01266800 00150b96
Mar 18 16:12:29 odin kernel: 031ad018 01714f64 00000400 00000000
00000000 01714ed8 00000400 014a4d00
Mar 18 16:12:29 odin kernel: Call Trace: [udp_recvmsg+53/176]
[check+50/132] [inet_recvmsg+114/136] [sys_recvfrom+303/372]
[sk_alloc+16/48] [inet_create+0/884] [get
_fd+22/124]
Mar 18 16:12:29 odin kernel: [inet_create+0/884]
[sys_socket+261/324] [sys_socketcall+571/732] [system_call+85/124]
Mar 18 16:12:29 odin kernel: Code: 8b 10 ff 8e c8 00 00 00 89 7a 04 89
96 c0 00 00 00 c7 00 00
Mar 18 16:12:29 odin kernel: general protection: 0000
Mar 18 16:12:29 odin kernel: CPU: 0
Mar 18 16:12:29 odin kernel: EIP: 0010:[skb_recv_datagram+287/376]
Mar 18 16:12:29 odin kernel: EFLAGS: 00010006
Mar 18 16:12:29 odin kernel: eax: 7320746e ebx: 00000246 ecx:
00000000 edx: 7320746e
Mar 18 16:12:29 odin kernel: esi: 031ad018 edi: 031ad0d8 ebp:
00000000 esp: 03a5fe40
Mar 18 16:12:29 odin kernel: ds: 0018 es: 0018 fs: 002b gs: 002b
ss: 0018
Mar 18 16:12:29 odin kernel: Process egg_beater (pid: 26527, process nr:
84, stackpage=03a5f000)
Mar 18 16:12:29 odin kernel: Stack: 031ad018 03a5fee4 031ad018 03a5ff64
0014c6ed 031ad018 00000000 00000000
Mar 18 16:12:29 odin kernel: 03a5fe78 031ad018 03a5fed8 00000000
00000000 0012cc6a 01266800 00150b96
Mar 18 16:12:29 odin kernel: 031ad018 03a5ff64 00000400 00000000
00000000 03a5fed8 00000400 014a4d00
Mar 18 16:12:29 odin kernel: Call Trace: [udp_recvmsg+53/176]
[check+50/132] [inet_recvmsg+114/136] [sys_recvfrom+303/372]
[sk_alloc+16/48] [inet_create+0/884] [get
_fd+22/124]
Mar 18 16:12:29 odin kernel: [inet_create+0/884]
[sys_socket+261/324] [sys_socketcall+571/732] [system_call+85/124]
Mar 18 16:12:29 odin kernel: Code: 8b 10 ff 8e c8 00 00 00 89 7a 04 89
96 c0 00 00 00 c7 00 00

-- 

------------ Christopher Blizzard AppliedTheory Communications, Inc. http://odin.appliedtheory.com/ blizzard@appliedtheory.com ------------

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