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RE: kernel Oops

To: "Linux XFS (E-mail)" <linux-xfs@xxxxxxxxxxx>
Subject: RE: kernel Oops
From: "Christian, Chip" <chip_christian@xxxxxx>
Date: Mon, 4 Feb 2002 17:42:28 -0500
Sender: owner-linux-xfs@xxxxxxxxxxx
Oh, and the compiler in use is gcc-2.96-85.

-----Original Message-----
From: Christian, Chip [mailto:chip_christian@xxxxxx]
Sent: Monday, February 04, 2002 10:49 AM
To: Linux XFS (E-mail)
Subject: kernel Oops


We are running RedHat Linux 7.1 with XFS Release 1.0.2.  
Custom kernel built from kernel-source-2.4.9-12SGI_XFS_1.0.2.

Got the following Oops(es) this am.  Can anyone give me a hand tracking it 
down?  Thanks.

        -Chip

ksymoops 2.4.0 on i686 2.4.9-12SGI_XFS_1.0.2custom.  Options used
     -V (default)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.4.9-12SGI_XFS_1.0.2custom/ (default)
     -m /boot/System.map (specified)

Warning (compare_maps): mismatch on symbol partition_name  , ksyms_base says 
40270d30, System.map says 40157c70.  Ignoring ksyms_base entry
Feb  3 04:02:00 nas2 nmbd[6817]:   Got SIGHUP dumping debug info. 
Feb  4 00:05:35 nas2 kernel: Unable to handle kernel NULL pointer dereference 
at virtual address 00000074
Feb  4 00:05:35 nas2 kernel: 4012cb87
Feb  4 00:05:35 nas2 kernel: *pde = 00000000
Feb  4 00:05:35 nas2 kernel: Oops: 0000
Feb  4 00:05:35 nas2 kernel: CPU:    0
Feb  4 00:05:35 nas2 kernel: EIP:    0010:[kfree+55/144]    Not tainted
Feb  4 00:05:35 nas2 kernel: EIP:    0010:[<4012cb87>]    Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
Feb  4 00:05:35 nas2 kernel: EFLAGS: 00010006
Feb  4 00:05:35 nas2 kernel: eax: 00000000   ebx: 40800000   ecx: 00000000   
edx: 0004097e
Feb  4 00:05:35 nas2 kernel: esi: 8097e000   edi: 00000286   ebp: 6a65ce80   
esp: 7f8c1e6c
Feb  4 00:05:35 nas2 kernel: ds: 0018   es: 0018   ss: 0018
Feb  4 00:05:35 nas2 kernel: Process umount (pid: 25981, stackpage=7f8c1000)
Feb  4 00:05:35 nas2 kernel: Stack: 8097e000 00000206 40800000 5d8ea400 
8097e000 40800000 8097e000 00000001 
Feb  4 00:05:35 nas2 kernel:        401de2ac 8097e000 00008203 633ea2c0 
5d8ea400 00000000 00000001 79dac860 
Feb  4 00:05:35 nas2 kernel:        401dd3d4 6a65ce80 5d8ea400 5d8ea400 
67278cc0 401e4fe1 5d8ea400 5d8ea400 
Feb  4 00:05:35 nas2 kernel: Call Trace: [xlog_unalloc_log+60/192]  
Feb  4 00:05:35 nas2 kernel: Call Trace: [<401de2ac>]  
Feb  4 00:05:35 nas2 kernel: [<401dd3d4>]  
Feb  4 00:05:35 nas2 kernel: [<401e4fe1>]  
Feb  4 00:05:35 nas2 kernel: [<401ed3da>]  
Feb  4 00:05:35 nas2 kernel: [<401f7134>]  
Feb  4 00:05:35 nas2 kernel: [<401fe3df>]  
Feb  4 00:05:35 nas2 kernel: [<4013a5cf>]  
Feb  4 00:05:35 nas2 kernel: [<4013e899>]  
Feb  4 00:05:35 nas2 kernel: [<4014bb29>]  
Feb  4 00:05:35 nas2 kernel: [<4014bc1b>]  
Feb  4 00:05:35 nas2 kernel: [<401259a3>]  
Feb  4 00:05:35 nas2 kernel: [<4014bc4c>]  
Feb  4 00:05:35 nas2 kernel: [<4010714b>]  
Feb  4 00:05:35 nas2 kernel: Code: 8b 5c 81 74 85 db 74 37 8b 13 3b 53 04 73 0a 
89 74 93 08 ff 

>>EIP; 4012cb87 <kfree+37/90>   <=====
Trace; 401de2ac <xlog_unalloc_log+3c/c0>
Trace; 401dd3d4 <xfs_log_unmount+14/20>
Trace; 401e4fe1 <xfs_unmountfs+b1/110>
Trace; 401ed3da <xfs_unmount+15a/170>
Trace; 401f7134 <fs_dounmount+54/70>
Trace; 401fe3df <linvfs_put_super+2f/90>
Trace; 4013a5cf <kill_super+bf/1b0>
Trace; 4013e899 <path_release+29/30>
Trace; 4014bb29 <do_umount+179/1a0>
Trace; 4014bc1b <sys_umount+cb/f0>
Trace; 401259a3 <sys_munmap+33/50>
Trace; 4014bc4c <sys_oldumount+c/10>
Trace; 4010714b <system_call+33/38>
Code;  4012cb87 <kfree+37/90>
00000000 <_EIP>:
Code;  4012cb87 <kfree+37/90>   <=====
   0:   8b 5c 81 74               mov    0x74(%ecx,%eax,4),%ebx   <=====
Code;  4012cb8b <kfree+3b/90>
   4:   85 db                     test   %ebx,%ebx
Code;  4012cb8d <kfree+3d/90>
   6:   74 37                     je     3f <_EIP+0x3f> 4012cbc6 <kfree+76/90>
Code;  4012cb8f <kfree+3f/90>
   8:   8b 13                     mov    (%ebx),%edx
Code;  4012cb91 <kfree+41/90>
   a:   3b 53 04                  cmp    0x4(%ebx),%edx
Code;  4012cb94 <kfree+44/90>
   d:   73 0a                     jae    19 <_EIP+0x19> 4012cba0 <kfree+50/90>
Code;  4012cb96 <kfree+46/90>
   f:   89 74 93 08               mov    %esi,0x8(%ebx,%edx,4)
Code;  4012cb9a <kfree+4a/90>
  13:   ff 00                     incl   (%eax)

Feb  4 00:05:36 nas2 kernel:  <1>Unable to handle kernel NULL pointer 
dereference at virtual address 00000074
Feb  4 00:05:36 nas2 kernel: 4012cb87
Feb  4 00:05:36 nas2 kernel: *pde = 00000000
Feb  4 00:05:36 nas2 kernel: Oops: 0000
Feb  4 00:05:36 nas2 kernel: CPU:    0
Feb  4 00:05:36 nas2 kernel: EIP:    0010:[kfree+55/144]    Not tainted
Feb  4 00:05:36 nas2 kernel: EIP:    0010:[<4012cb87>]    Not tainted
Feb  4 00:05:36 nas2 kernel: EFLAGS: 00010006
Feb  4 00:05:36 nas2 kernel: eax: 00000000   ebx: 80988000   ecx: 00000000   
edx: 00040992
Feb  4 00:05:36 nas2 kernel: esi: 80992000   edi: 00000286   ebp: 6a65c580   
esp: 7f8c1e6c
Feb  4 00:05:36 nas2 kernel: ds: 0018   es: 0018   ss: 0018
Feb  4 00:05:36 nas2 kernel: Process umount (pid: 25983, stackpage=7f8c1000)
Feb  4 00:05:36 nas2 kernel: Stack: 80992000 00000206 80988000 5505f800 
80992000 80988000 80992000 00000001 
Feb  4 00:05:36 nas2 kernel:        401de2ac 80992000 00008203 633ea740 
5505f800 00000000 00000001 74bc46a0 
Feb  4 00:05:36 nas2 kernel:        401dd3d4 6a65c580 5505f800 5505f800 
67278c60 401e4fe1 5505f800 5505f800 
Feb  4 00:05:36 nas2 kernel: Call Trace: [xlog_unalloc_log+60/192]  
Feb  4 00:05:36 nas2 kernel: Call Trace: [<401de2ac>]  
Feb  4 00:05:36 nas2 kernel: [<401dd3d4>]  
Feb  4 00:05:36 nas2 kernel: [<401e4fe1>]  
Feb  4 00:05:36 nas2 kernel: [<401ed3da>]  
Feb  4 00:05:36 nas2 kernel: [<401f7134>]  
Feb  4 00:05:36 nas2 kernel: [<401fe3df>]  
Feb  4 00:05:36 nas2 kernel: [<4013a5cf>]  
Feb  4 00:05:36 nas2 kernel: [<4013e899>]  
Feb  4 00:05:36 nas2 kernel: [<4014bb29>]  
Feb  4 00:05:36 nas2 kernel: [<4014bc1b>]  
Feb  4 00:05:36 nas2 kernel: [<401259a3>]  
Feb  4 00:05:36 nas2 kernel: [<4014bc4c>]  
Feb  4 00:05:36 nas2 kernel: [<4010714b>]  
Feb  4 00:05:36 nas2 kernel: Code: 8b 5c 81 74 85 db 74 37 8b 13 3b 53 04 73 0a 
89 74 93 08 ff 

>>EIP; 4012cb87 <kfree+37/90>   <=====
Trace; 401de2ac <xlog_unalloc_log+3c/c0>
Trace; 401dd3d4 <xfs_log_unmount+14/20>
Trace; 401e4fe1 <xfs_unmountfs+b1/110>
Trace; 401ed3da <xfs_unmount+15a/170>
Trace; 401f7134 <fs_dounmount+54/70>
Trace; 401fe3df <linvfs_put_super+2f/90>
Trace; 4013a5cf <kill_super+bf/1b0>
Trace; 4013e899 <path_release+29/30>
Trace; 4014bb29 <do_umount+179/1a0>
Trace; 4014bc1b <sys_umount+cb/f0>
Trace; 401259a3 <sys_munmap+33/50>
Trace; 4014bc4c <sys_oldumount+c/10>
Trace; 4010714b <system_call+33/38>
Code;  4012cb87 <kfree+37/90>
00000000 <_EIP>:
Code;  4012cb87 <kfree+37/90>   <=====
   0:   8b 5c 81 74               mov    0x74(%ecx,%eax,4),%ebx   <=====
Code;  4012cb8b <kfree+3b/90>
   4:   85 db                     test   %ebx,%ebx
Code;  4012cb8d <kfree+3d/90>
   6:   74 37                     je     3f <_EIP+0x3f> 4012cbc6 <kfree+76/90>
Code;  4012cb8f <kfree+3f/90>
   8:   8b 13                     mov    (%ebx),%edx
Code;  4012cb91 <kfree+41/90>
   a:   3b 53 04                  cmp    0x4(%ebx),%edx
Code;  4012cb94 <kfree+44/90>
   d:   73 0a                     jae    19 <_EIP+0x19> 4012cba0 <kfree+50/90>
Code;  4012cb96 <kfree+46/90>
   f:   89 74 93 08               mov    %esi,0x8(%ebx,%edx,4)
Code;  4012cb9a <kfree+4a/90>
  13:   ff 00                     incl   (%eax)

Feb  4 06:11:53 nas2 kernel:  <1>Unable to handle kernel NULL pointer 
dereference at virtual address 00000000
Feb  4 06:11:53 nas2 kernel: 401136b3
Feb  4 06:11:53 nas2 kernel: *pde = 00000000
Feb  4 06:11:53 nas2 kernel: Oops: 0000
Feb  4 06:11:53 nas2 kernel: CPU:    1
Feb  4 06:11:53 nas2 kernel: EIP:    0010:[__wake_up+51/192]    Not tainted
Feb  4 06:11:53 nas2 kernel: EIP:    0010:[<401136b3>]    Not tainted
Feb  4 06:11:53 nas2 kernel: EFLAGS: 00010097
Feb  4 06:11:53 nas2 kernel: eax: 5f6b6a07   ebx: 416f4241   ecx: 00000000   
edx: 00000000
Feb  4 06:11:53 nas2 kernel: esi: 75228de0   edi: 5f6b6a03   ebp: 71e9ff4c   
esp: 71e9ff34
Feb  4 06:11:53 nas2 kernel: ds: 0018   es: 0018   ss: 0018
Feb  4 06:11:53 nas2 kernel: Process rpciod (pid: 26080, stackpage=71e9f000)
Feb  4 06:11:53 nas2 kernel: Stack: 00000001 00000206 00000003 5f6b6863 
75228de0 76bb5014 76bb5010 402b6294 
Feb  4 06:11:53 nas2 kernel:        76bb5000 76bb5014 401892d4 75228de0 
76bb5000 00001770 76bb5008 718fe6a0 
Feb  4 06:11:53 nas2 kernel:        718fe6f4 718fe6a0 71e9e000 00000002 
402b394a 718fe6a0 71e9e000 7fffc000 
Feb  4 06:11:53 nas2 kernel: Call Trace: [svc_wake_up+84/144]  
Feb  4 06:11:53 nas2 kernel: Call Trace: [<402b6294>]  
Feb  4 06:11:53 nas2 kernel: [<401892d4>]  
Feb  4 06:11:53 nas2 kernel: [<402b394a>]  
Feb  4 06:11:53 nas2 kernel: [<402b3bc8>]  
Warning (Oops_read): Code line not seen, dumping what data is available

>>EIP; 401136b3 <__wake_up+33/c0>   <=====
Trace; 402b6294 <svc_wake_up+54/90>
Trace; 401892d4 <nlmsvc_grant_callback+104/130>
Trace; 402b394a <__rpc_execute+29a/320>
Trace; 402b3bc8 <__rpc_schedule+188/1d0>

Feb  4 08:49:18 nas2 kernel: cpu: 0, clocks: 1324510, slice: 441503
Feb  4 08:49:18 nas2 kernel: cpu: 1, clocks: 1324510, slice: 441503
Feb  4 08:49:18 nas2 kernel: SGI XFS with ACLs, EAs, quota, no debug enabled

2 warnings issued.  Results may not be reliable.


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