KNFS Oops with 2.2.0-pre4

Jan Rekorajski (baggins@hunter.mimuw.edu.pl)
Thu, 7 Jan 1999 14:26:10 +0100


Kernel 2.2.0-pre4 compiled with:

Reading specs from /usr/lib/gcc-lib/i386-unknown-linux/egcs-2.91.60/specs
gcc version egcs-2.91.60 19981201 (egcs-1.1.1 release)

no modules, SMP, 2xPPro, knfsd-981204

Options used: -V -O -K -L -m System.map-2.2.0-pre4

Jan 7 09:49:02 rainbow kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000022
Jan 7 09:49:02 rainbow kernel: current->tss.cr3 = 00101000, `r3 = 00101000
Jan 7 09:49:02 rainbow kernel: *pde = 00000000
Jan 7 09:49:02 rainbow kernel: Oops: 0000
Jan 7 09:49:02 rainbow kernel: CPU: 0
Jan 7 09:49:02 rainbow kernel: EIP: 0010:[<c012c796>]
Jan 7 09:49:02 rainbow kernel: EFLAGS: 00010282
Jan 7 09:49:02 rainbow kernel: eax: 00000000 ebx: c451810c ecx: c7625400 edx: c4518158
Jan 7 09:49:02 rainbow kernel: esi: c451810c edi: c451810c ebp: c7625400 esp: c6f73f08
Jan 7 09:49:02 rainbow kernel: ds: 0018 es: 0018 ss: 0018
Jan 7 09:49:02 rainbow kernel: Process nfsd (pid: 1971, process nr: 8, stackpage=c6f73000)
Jan 7 09:49:02 rainbow kernel: Stack: c451810c c451810c c258b0e6 0000000f c01528bc c451810c c7625400 c451810c
Jan 7 09:49:02 rainbow kernel: c0f12020 c0094de4 c0094da0 c7760014 c7ca2000 c7625400 c014fcdd c7ca2000
Jan 7 09:49:02 rainbow kernel: c0094da0 c258b0b6 0000000b c0094de4 c258b0e6 0000000f c7ca2000 c0219800
Jan 7 09:49:02 rainbow kernel: Call Trace: [<c01528bc>] [<c014fcdd>] [<c014f227>] [<c014f15c>] [<c0182641>] [<c014f15c>] [<c014f045>]
Jan 7 09:49:02 rainbow kernel: [<c01074cf>]
Jan 7 09:49:02 rainbow kernel: Code: 0f b7 50 22 81 e2 00 f0 ff ff 66 81 fa 00 40 0f 94 c2 0f b6

>>EIP: c012c796 <vfs_rename+16/284>
Trace: c01528bc <nfsd_rename+144/204>
Trace: c014fcdd <nfsd_proc_rename+55/70>
Trace: c014f227 <nfsd_dispatch+cb/158>
Trace: c014f15c <nfsd_dispatch+0/158>
Trace: c0182641 <svc_process+2ad/540>
Trace: c014f15c <nfsd_dispatch+0/158>
Trace: c014f045 <nfsd+129/240>
Trace: c01074cf <kernel_thread+23/30>
Code: c012c796 <vfs_rename+16/284> 00000000 <_EIP>:
Code: c012c796 <vfs_rename+16/284> 0: 0f b7 50 22 movzwl 0x22(%eax),%edx
Code: c012c79a <vfs_rename+1a/284> 4: 81 e2 00 f0 ff andl $0xfffff000,%edx
Code: c012c79f <vfs_rename+1f/284> 9: ff
Code: c012c7a0 <vfs_rename+20/284> a: 66 81 fa 00 40 cmpw $0x4000,%dx
Code: c012c7a5 <vfs_rename+25/284> f: 0f 94 c2 sete %dl
Code: c012c7a8 <vfs_rename+28/284> 12: 0f b6 00 movzbl (%eax),%eax

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