Re: Oops in 2.2.0

Serguei Koubouchine (ksi@ksi-linux.com)
Tue, 26 Jan 1999 23:24:06 +0200 (EET)


On Tue, 26 Jan 1999, Daniel Kiracofe wrote:

> Here's a fun looking oops generated by netscape. I looked at it a bit,
> but I don't know why it's happening... anyone have any thoughts?

Please find another one got under very heavy load (la ca. 50)...

=== Cut ===
Jan 26 22:50:43 nomad kernel: free_one_pmd: bad directory entry 744fb000
Jan 26 22:50:43 nomad kernel: kmem_free: Bad obj addr (objp=7f77e740, name=mm_struct)
Jan 26 22:50:43 nomad kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Jan 26 22:50:43 nomad kernel: current->tss.cr3 = 04779000, %cr3 = 04779000
Jan 26 22:50:43 nomad kernel: *pde = 00000000
Jan 26 22:50:43 nomad kernel: Oops: 0002
Jan 26 22:50:43 nomad kernel: CPU: 0
Jan 26 22:50:43 nomad kernel: EIP: 0010:[kmem_cache_free+351/388]
Jan 26 22:50:43 nomad kernel: EFLAGS: 00010212
Jan 26 22:50:43 nomad kernel: eax: 0000003b ebx: 70fc86e0 ecx: 00000005 edx: 7fbd2000
Jan 26 22:50:43 nomad kernel: esi: 7f77e740 edi: 00001506 ebp: 00000212 esp: 7a441ec0
Jan 26 22:50:43 nomad kernel: ds: 0018 es: 0018 ss: 0018
Jan 26 22:50:43 nomad kernel: Process smptop (pid: 12878, process nr: 181, stackpage=7a441000)
Jan 26 22:50:43 nomad kernel: Stack: 00001506 701d0968 7011e67e 7f77e740 00000000 000001c0 7f77e740 000000c0
Jan 26 22:50:43 nomad kernel: 70114376 70fc86e0 7f77e740 7f77e740 7f77e740 7f77e740 747da000 701474e2
Jan 26 22:50:43 nomad kernel: 7f77e740 70147b0a 747da000 762b61b4 00001506 000000ff 744e5000 00000000
Jan 26 22:50:43 nomad kernel: Call Trace: [__down_failed+8/16] [exit_mmap+258/272] [mmput+46/52] [release_task+38/44] [get_stat+602/616] [get_process_array+123/160] [array_read+234/592]
Jan 26 22:50:43 nomad kernel: [filp_open+68/244] [sys_read+194/236] [system_call+52/64] [startup_32+43/164]
Jan 26 22:50:43 nomad kernel: Code: c7 05 00 00 00 00 00 00 00 00 eb 10 90 53 56 68 35 98 1d 70
Jan 26 22:52:01 nomad kernel: free_one_pmd: bad directory entry 71379000
Jan 26 22:52:01 nomad kernel: kmem_free: Bad obj addr (objp=7f77e740, name=mm_struct)
Jan 26 22:52:01 nomad kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Jan 26 22:52:01 nomad kernel: current->tss.cr3 = 085f8000, %cr3 = 085f8000
Jan 26 22:52:01 nomad kernel: *pde = 00000000
Jan 26 22:52:01 nomad kernel: Oops: 0002
Jan 26 22:52:01 nomad kernel: CPU: 0
Jan 26 22:52:01 nomad kernel: EIP: 0010:[kmem_cache_free+351/388]
Jan 26 22:52:01 nomad kernel: EFLAGS: 00010212
Jan 26 22:52:01 nomad kernel: eax: 0000003b ebx: 70fc86e0 ecx: 00000005 edx: 7fbd2000
Jan 26 22:52:01 nomad kernel: esi: 7f77e740 edi: 00001506 ebp: 00000212 esp: 7d247ec0
Jan 26 22:52:01 nomad kernel: ds: 0018 es: 0018 ss: 0018
Jan 26 22:52:01 nomad kernel: Process smptop (pid: 6748, process nr: 65, stackpage=7d247000)
Jan 26 22:52:01 nomad kernel: Stack: 00001506 701d0968 7011e67e 7f77e740 00000000 000001c0 7f77e740 000000c0
Jan 26 22:52:01 nomad kernel: 70114376 70fc86e0 7f77e740 7f77e740 7f77e740 7f77e740 747da000 701474e2
Jan 26 22:52:01 nomad kernel: 7f77e740 70147b0a 747da000 7fc66c94 00001506 000000ff 7a4ab000 00000000
Jan 26 22:52:01 nomad kernel: Call Trace: [__down_failed+8/16] [exit_mmap+258/272] [mmput+46/52] [release_task+38/44] [get_stat+602/616] [get_process_array+123/160] [array_read+234/592]
Jan 26 22:52:01 nomad kernel: [filp_open+68/244] [sys_read+194/236] [system_call+52/64]
Jan 26 22:52:01 nomad kernel: Code: c7 05 00 00 00 00 00 00 00 00 eb 10 90 53 56 68 35 98 1d 70
Jan 26 22:52:06 nomad kernel: free_one_pmd: bad directory entry 7aa5c000
Jan 26 22:52:06 nomad kernel: kmem_free: Bad obj addr (objp=7f77e740, name=mm_struct)
Jan 26 22:52:06 nomad kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Jan 26 22:52:06 nomad kernel: current->tss.cr3 = 0250f000, %cr3 = 0250f000
Jan 26 22:52:06 nomad kernel: *pde = 00000000
Jan 26 22:52:06 nomad kernel: Oops: 0002
Jan 26 22:52:06 nomad kernel: CPU: 0
Jan 26 22:52:06 nomad kernel: EIP: 0010:[kmem_cache_free+351/388]
Jan 26 22:52:06 nomad kernel: EFLAGS: 00010212
Jan 26 22:52:06 nomad kernel: eax: 0000003b ebx: 70fc86e0 ecx: 00000005 edx: 7fbd2000
Jan 26 22:52:06 nomad kernel: esi: 7f77e740 edi: 00001506 ebp: 00000212 esp: 7d247ec0
Jan 26 22:52:06 nomad kernel: ds: 0018 es: 0018 ss: 0018
Jan 26 22:52:06 nomad kernel: Process smptop (pid: 6843, process nr: 65, stackpage=7d247000)
Jan 26 22:52:06 nomad kernel: Stack: 00001506 701d0968 7011e67e 7f77e740 00000000 000001c0 7f77e740 000000c0
Jan 26 22:52:06 nomad kernel: 70114376 70fc86e0 7f77e740 7f77e740 7f77e740 7f77e740 747da000 701474e2
Jan 26 22:52:06 nomad kernel: 7f77e740 70147b0a 747da000 79931374 00001506 000000ff 7c542000 00000000
Jan 26 22:52:06 nomad kernel: Call Trace: [__down_failed+8/16] [exit_mmap+258/272] [mmput+46/52] [release_task+38/44] [get_stat+602/616] [get_process_array+123/160] [array_read+234/592]
Jan 26 22:52:06 nomad kernel: [filp_open+68/244] [sys_read+194/236] [system_call+52/64]
Jan 26 22:52:06 nomad kernel: Code: c7 05 00 00 00 00 00 00 00 00 eb 10 90 53 56 68 35 98 1d 70
Jan 26 22:52:49 nomad kernel: bad page middle entry 54ef1dbd
=== Cut ===

After the last message the system is totally locked, SysRq doesn't work...

SMP kernel, 2xPPro200/512, 256 Mbyte RAM. The system didn't swap at all. The
load was generated by running a parallel make of kernel and tetex.

=======================================================================
Serguei Koubouchine aka the Tamer < > The impossible we do immediately.
e-mail: ksi@gu.net SK320-RIPE < > Miracles require 24-hour notice.
=======================================================================

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