Hello !
I am trying to get a dump for an application (vlc) that got a sig kill
each time I try to use it. When setting to limit for the core dump
size to something different of 0 (8 MB or 88 MB), I get an oops :
Oops: kernel access of bad area, sig: 11 [#1]
NIP: C0008FDC LR: C00803B4 SP: C1995CC0 REGS: c1995c10 TRAP: 0301 Not tainted
MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
DAR: 00000084, DSISR: 40000000
TASK = c3273540[14134] 'vlc' Last syscall: 125
GPR00: C00803B4 C1995CC0 C3273540 00000000 D616C118 00000001 0000010C D616C008
GPR08: 00000000 0000010C 00000000 00000000 175C8940
Call trace:
[c00803b4] elf_dump_thread_status+0xbc/0x130
[c0080568] elf_core_dump+0x140/0x75c
[c006354c] do_coredump+0x1d8/0x1f4
[c002b63c] get_signal_to_deliver+0x244/0x314
[c000a4b0] do_signal+0x30/0x24c
[c0006098] do_user_signal+0x74/0xc4
Oops: kernel access of bad area, sig: 11 [#2]
NIP: C0008FDC LR: C00803B4 SP: D4663CC0 REGS: d4663c10 TRAP: 0301 Not tainted
MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
DAR: 00000084, DSISR: 40000000
TASK = c79179e0[14223] 'vlc' Last syscall: 119
GPR00: C00803B4 D4663CC0 C79179E0 00000000 D154B918 00000001 0000010C D154B808
GPR08: 00000000 0000010C 00000000 00000000 15651298
Call trace:
[c00803b4] elf_dump_thread_status+0xbc/0x130
[c0080568] elf_core_dump+0x140/0x75c
[c006354c] do_coredump+0x1d8/0x1f4
[c002b63c] get_signal_to_deliver+0x244/0x314
[c000a4b0] do_signal+0x30/0x24c
[c0006098] do_user_signal+0x74/0xc4
Oops: kernel access of bad area, sig: 11 [#3]
NIP: C0008FDC LR: C00803B4 SP: CB4CDCC0 REGS: cb4cdc10 TRAP: 0301 Not tainted
MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
DAR: 00000084, DSISR: 40000000
TASK = c92110a0[14251] 'vlc' Last syscall: 119
GPR00: C00803B4 CB4CDCC0 C92110A0 00000000 C6041D18 00000001 0000010C C6041C08
GPR08: 00000000 0000010C 00000000 00000000 158395E8
Call trace:
[c00803b4] elf_dump_thread_status+0xbc/0x130
[c0080568] elf_core_dump+0x140/0x75c
[c006354c] do_coredump+0x1d8/0x1f4
[c002b63c] get_signal_to_deliver+0x244/0x314
[c000a4b0] do_signal+0x30/0x24c
[c0006098] do_user_signal+0x74/0xc4
Oops: kernel access of bad area, sig: 11 [#4]
NIP: C0008FDC LR: C00803B4 SP: C73EFCC0 REGS: c73efc10 TRAP: 0301 Not tainted
MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
DAR: 00000084, DSISR: 40000000
TASK = c768e0e0[14282] 'vlc' Last syscall: 37
GPR00: C00803B4 C73EFCC0 C768E0E0 00000000 D154B118 00000001 0000010C D154B008
GPR08: 00000000 0000010C 00000000 00000000 138C1F40
Call trace:
[c00803b4] elf_dump_thread_status+0xbc/0x130
[c0080568] elf_core_dump+0x140/0x75c
[c006354c] do_coredump+0x1d8/0x1f4
[c002b63c] get_signal_to_deliver+0x244/0x314
[c000a4b0] do_signal+0x30/0x24c
[c0006098] do_user_signal+0x74/0xc4
Oops: kernel access of bad area, sig: 11 [#5]
NIP: C0008FDC LR: C00803B4 SP: CB613CC0 REGS: cb613c10 TRAP: 0301 Not tainted
MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
DAR: 00000084, DSISR: 40000000
TASK = c7941ae0[14338] 'vlc' Last syscall: 119
GPR00: C00803B4 CB613CC0 C7941AE0 00000000 C6041118 00000001 0000010C C6041008
GPR08: 00000000 0000010C 00000000 00000000 124BBC78
Call trace:
[c00803b4] elf_dump_thread_status+0xbc/0x130
[c0080568] elf_core_dump+0x140/0x75c
[c006354c] do_coredump+0x1d8/0x1f4
[c002b63c] get_signal_to_deliver+0x244/0x314
[c000a4b0] do_signal+0x30/0x24c
[c0006098] do_user_signal+0x74/0xc4
(one for each attempt)
The backtrace (with t in the debugger) is numerical only (why ?) :
00000000
c00803b4
c0080568
c006354c
c002b63c
c000a4b0
c0006098
00000000
1013f214
10061404
100490d0
1012f45c
100487c0
10042cdc
10041ed4
0ff62d98
0fcb06a4
2.6.0-ben2
--
panic("Lucy in the sky....");
2.2.16 /usr/src/linux/arch/sparc64/kernel/starfire.c
