2.1.76 oops

Ben Woodard (bwoodard@bwoodard-isdn3.cisco.com)
Wed, 31 Dec 1997 08:44:10 -0800

I got a series of oopses while running an unpatched version of
2.1.76. They all seem to be in exactly the same place. The problem seemed to arise after I unsuspened my computer.

Dec 30 08:23:22 trill kernel: Unable to handle kernel paging request at virtual address 0d6d60c2
Dec 30 08:23:22 trill kernel: current->tss.cr3 = 0121e000,
Dec 30 08:23:22 trill kernel: *pde = 00000000
Dec 30 08:23:22 trill kernel: Oops: 0002
Dec 30 08:23:22 trill kernel: CPU: 0
Dec 30 08:23:22 trill kernel: EIP: 0010:[<c012ed6e>]
Dec 30 08:23:22 trill kernel: EFLAGS: 00010212
Dec 30 08:23:22 trill kernel: eax: c10ebd40 ebx: 0d6d60c2 ecx: c10d6a3f edx: 0d6d60c2
Dec 30 08:23:22 trill kernel: esi: dcca7c00 edi: 00000000 ebp: 00000000 esp: c1739ed8
Dec 30 08:23:22 trill kernel: ds: 0018 es: 0018 ss: 0018
Dec 30 08:23:22 trill kernel: Process find (pid: 1781, process nr: 43, stackpage=c1739000)
Dec 30 08:23:22 trill kernel: Stack: 00000008 00000000 00025651 c01bd044 00000008 00000004 00000000 0000056f
Dec 30 08:23:22 trill kernel: 00000008 00000000 00000002 c28571a0 c012e569 00000006 00000000 00025651
Dec 30 08:23:22 trill kernel: c01b23b8 c012e95b 00000008 00025651 c0f13140 c1380b70 c053100b c0139f88
Dec 30 08:23:22 trill kernel: Call Trace: [<c012e569>] [<c012e95b>] [<c0139f88>] [<c0129f0b>] [<c012a1b3>] [<c012a248>] [<c0128323>]
Dec 30 08:23:22 trill kernel: [<c01098ca>]
Dec 30 08:23:22 trill kernel: Code: 89 02 89 09 89 49 04 eb b7 90 83 7c 24 24 00 75 4d a1 a4 d0

decoded with ksymoops:

>>EIP: c012ed6e <select_dcache+9a/184>
Trace: c012e569 <try_to_free_inodes+2d/48>
Trace: c012e95b <iget+6b/78>
Trace: c0139f88 <ext2_lookup+54/78>
Trace: c0129f0b <real_lookup+47/70>
Trace: c012a1b3 <lookup_dentry+15b/1c4>
Trace: c012a248 <__namei+2c/80>
Trace: c0128323 <sys_newlstat+f/64>
Trace: c01098ca <system_call+3a/40>
Code: c012ed6e <select_dcache+9a/184>
Code: c012ed6e <select_dcache+9a/184> 89 02 movl %eax,(%edx)
Code: c012ed70 <select_dcache+9c/184> 89 09 movl %ecx,(%ecx)
Code: c012ed72 <select_dcache+9e/184> 89 49 04 movl %ecx,0x4(%ecx)
Code: c012ed75 <select_dcache+a1/184> eb b7 jmp ffffffc0 <_EIP+ff
ffffc0>
Code: c012ed77 <select_dcache+a3/184> 90 nop
Code: c012ed7e <select_dcache+aa/184> 83 7c 24 24 00 cmpl $0x0,0x24(%esp,1)
Code: c012ed83 <select_dcache+af/184> 75 4d jne c012edcc <select_
dcache+f8/184>
Code: c012ed85 <select_dcache+b1/184> a1 a4 d0 00 90 movl 0x9000d0a4,%eax
Code: c012ed90 <select_dcache+bc/184> 90 nop
Code: c012ed91 <select_dcache+bd/184> 90 nop