At 05:36 PM 12/31/2005 +0100, Mike Galbraith wrote:
As luck would have it, just as I was collecting the data, there was a
major explosion. Box was slogging through glibc make check, and when it
hit the mutex tests in nptl, KaBOOM. Ding-dong-dead box... [reboot] oh
my, seems repeatable. Guess I'll see if I can find my serial console
cable instead of typing make install as originally planned :)
-Mike
Oopsen attached. First two times it exploded on tst-mutex7, this time that
passed, but it exploded on tst-mutex7a.
-Mike BUG: lock wait_list not initialized?
[d0fb80d8] {<NULL>:0}
`/-1069818495[CPU#0]: BUG in init_lists at kernel/rt.c:1213
[<c0104063>] dump_stack+0x23/0x30 (20)
[<c011db1a>] __WARN_ON+0x6a/0xa0 (44)
[<c0138bc9>] __down_trylock+0x339/0x4a0 (44)
[<c0138d78>] rt_down_read_trylock+0x28/0x40 (16)
[<c0115ffc>] do_page_fault+0xcc/0x570 (96)
[<c0103c7b>] error_code+0x4f/0x54 (148)
=======================
BUG: Unable to handle kernel NULL pointer dereference at virtual address 00000030
printing eip:
c0103f3a
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in: nls_iso8859_1 nls_cp437
CPU: 0
EIP: 0060:[<c0103f3a>] Not tainted VLI
EFLAGS: 00010007 (2.6.15-rc7-rt1)
EIP is at show_trace+0x8a/0xe0
eax: 00000ffd ebx: cb04e070 ecx: 00000001 edx: 00000004
esi: cb04e070 edi: 00000000 ebp: cb04df00 esp: cb04deec
ds: 007b es: 007b ss: 0068 preempt: 00000005
Process ` (pid: -1069818495, threadinfo=cb04d000 task=d0fb8020 stack_left=3768 worst_left=-1)
Stack: c03b4873 00000094 00000082 cb04d000 cb04d000 cb04df14 c0104063 d0fb8020
cb04df10 cb04df20 cb04df40 c011db1a c03b9b4c d0fb81d4 c03bdd81 00000000
c03a9170 c03bc10e 000004bd 00000000 d0fb80d8 cb04df6c c0138bc9 c03a9170
Call Trace:
[<c010401f>] show_stack+0x8f/0xb0 (28)
[<c0104211>] show_registers+0x1a1/0x210 (56)
[<c0104426>] die+0xf6/0x190 (64)
[<c01162c5>] do_page_fault+0x395/0x570 (96)
[<c0103c7b>] error_code+0x4f/0x54 (80)
[<c0104063>] dump_stack+0x23/0x30 (20)
[<c011db1a>] __WARN_ON+0x6a/0xa0 (44)
[<c0138bc9>] __down_trylock+0x339/0x4a0 (44)
[<c0138d78>] rt_down_read_trylock+0x28/0x40 (16)
[<c0115ffc>] do_page_fault+0xcc/0x570 (96)
[<c0103c7b>] error_code+0x4f/0x54 (148)
=======================
BUG: Unable to handle kernel NULL pointer dereference at virtual address 00000030
printing eip:
c0103f3a
*pde = 00000000
Oops: 0000 [#2]
PREEMPT
Modules linked in: nls_iso8859_1 nls_cp437
CPU: 0
EIP: 0060:[<c0103f3a>] Not tainted VLI
EFLAGS: 00010007 (2.6.15-rc7-rt1)
EIP is at show_trace+0x8a/0xe0
eax: 00000ffd ebx: cb04e070 ecx: 00000001 edx: 00000005
esi: cb04e070 edi: 00000000 ebp: cb04ddbc esp: cb04dda8
ds: 007b es: 007b ss: 0068 preempt: 00000005
Process ` (pid: -1069818495, threadinfo=cb04d000 task=d0fb8020 stack_left=3444 worst_left=-1)
Stack: c03b4873 00000094 cb04df4c 00000018 00000000 cb04ddd8 c010401f d0fb8020
cb04deec cb04d000 cb04deb8 00000000 cb04de10 c0104211 00000000 cb04deec
ffffffff cb04d000 d0fb8020 00010007 c04046a2 00000068 00000001 cb04deb8
Call Trace:
[<c010401f>] show_stack+0x8f/0xb0 (28)
[<c0104211>] show_registers+0x1a1/0x210 (56)
[<c0104426>] die+0xf6/0x190 (64)
[<c01162c5>] do_page_fault+0x395/0x570 (96)
[<c0103c7b>] error_code+0x4f/0x54 (80)
[<c010401f>] show_stack+0x8f/0xb0 (28)
[<c0104211>] show_registers+0x1a1/0x210 (56)
[<c0104426>] die+0xf6/0x190 (64)
[<c01162c5>] do_page_fault+0x395/0x570 (96)
[<c0103c7b>] error_code+0x4f/0x54 (80)
[<c0104063>] dump_stack+0x23/0x30 (20)
[<c011db1a>] __WARN_ON+0x6a/0xa0 (44)
[<c0138bc9>] __down_trylock+0x339/0x4a0 (44)
[<c0138d78>] rt_down_read_trylock+0x28/0x40 (16)
[<c0115ffc>] do_page_fault+0xcc/0x570 (96)
[<c0103c7b>] error_code+0x4f/0x54 (148)
=======================
BUG: Unable to handle kernel NULL pointer dereference at virtual address 00000030
printing eip:
c0103f3a
*pde = 00000000
Recursive die() failure, output suppressed
`/-1069818495[CPU#0]: BUG in __spin_lock at kernel/rt.c:2387
[<c0104063>] dump_stack+0x23/0x30 (20)
[<c011db1a>] __WARN_ON+0x6a/0xa0 (44)
[<c03a6c80>] __lock_text_start+0x50/0x60 (28)
[<c026f4e8>] exit_io_context+0x38/0x100 (32)
[<c011f840>] do_exit+0x430/0x480 (44)
[<c01044bf>] die+0x18f/0x190 (64)
[<c01162c5>] do_page_fault+0x395/0x570 (96)
[<c0103c7b>] error_code+0x4f/0x54 (80)
[<c010401f>] show_stack+0x8f/0xb0 (28)
[<c0104211>] show_registers+0x1a1/0x210 (56)
[<c0104426>] die+0xf6/0x190 (64)
[<c01162c5>] do_page_fault+0x395/0x570 (96)
[<c0103c7b>] error_code+0x4f/0x54 (80)
[<c010401f>] show_stack+0x8f/0xb0 (28)
[<c0104211>] show_registers+0x1a1/0x210 (56)
[<c0104426>] die+0xf6/0x190 (64)
[<c01162c5>] do_page_fault+0x395/0x570 (96)
[<c0103c7b>] error_code+0x4f/0x54 (80)
[<c0104063>] dump_stack+0x23/0x30 (20)
[<c011db1a>] __WARN_ON+0x6a/0xa0 (44)
[<c0138bc9>] __down_trylock+0x339/0x4a0 (44)
[<c0138d78>] rt_down_read_trylock+0x28/0x40 (16)
[<c0115ffc>] do_page_fault+0xcc/0x570 (96)
[<c0103c7b>] error_code+0x4f/0x54 (148)
=======================
(several more before box quit breathing)
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