Help with oops

Andrew R. Baker (andrewb@uab.edu)
Tue, 25 May 1999 17:33:41 -0500 (CDT)


Would some experienced kerenl hacker possibly have a clue as to where to
start looking to fix these oopses? It is from an R4400 Indigo2. I get
the first one immediately followed by the second, which keeps coming over
and over again.

Thanks,

Andrew

====================================================================
Output from ksymoops:

Options used: -v ./vmlinux (specified)
-O (specified)
-K (specified)
-L (specified)
-m ./System.map (specified)
-c 1 (default)

Unable to handle kernel paging request at virtual address 00000000, epc == 880c9990, ra == 880ca05c
Oops: 0000
$0 : 00000000 3004fc00 00000001 880f565c
$4 : 00000000 00000000 8feebd40 3004fc01
$8 : 3004fc00 1000001f 0000003e 74632f72
$12: 632e642f 8feebe10 3004fc01 8feebe10
$16: 8811d548 00000050 00000031 8ff40000
$20: 00000000 8ff41020 10013228 8ff41020
$24: 00000000 2ab30ff0
$28: 8feea000 8feebd28 880ab8c4 880ca05c
epc : 880c9990
Status: 3004fc02
Cause : 00000008
Process cat (pid: 5, stackpage=8feea000)
Stack: 10013228 8802dd10 880ab8c4 880c999c 10000400 880ca05c 00000400 00000050
0000000b 8800a608 3004fc01 8ff3e04c 00000000 3004fc00 00000016 00000b2e
00000080 bfbd9830 8811d140 3004fc01 0000fc00 ffff00ff 0000003e 74632f72
632e642f 8feebe10 3004fc01 8feebe10 8ff40000 00000050 00000031 8ff40000
00000000 8ff41020 10013228 8ff41020 00000000 2ab30ff0 10013228 8ff41020
8feea000 ...
Call Trace: [<8802dd10>] [<880ab8c4>] [<880c999c>] [<880ca05c>] [<8800a608>] [<880ab8c4>] [<880a976c>] [<880c291c>] [<880a9784>] [<88034000>] [<880aba3c>] [<880a69b4>] [<880a67d4>] [<8803f8f0>] [<8801917c>] [<88046b18>] [<88011e04>] [<88011698>]
Code: 8c620000 24420001 ac620000 <8ca20000> 0040f809 8ca50010 8e020000 2442ffff ae020000
Error set_section_contents: Bad value

>>RA : 880ca05c <indyIRQ+11c/180>
>>EIP: 880c9990 <indy_local0_irqdispatch+ac/d4>
Trace: 8802dd10 <__gnu_compiled_c+a0/d0>
Trace: 880ab8c4 <write_chan+0/2d8>
Trace: 880c999c <indy_local0_irqdispatch+b8/d4>
Trace: 880ca05c <indyIRQ+11c/180>
Trace: 8800a608 <handle_bottom_half+8/10>
Trace: 880ab8c4 <write_chan+0/2d8>
Trace: 880a976c <opost_block+204/234>
Trace: 880c291c <rs_flush_chars+204/210>
Trace: 880a9784 <opost_block+21c/234>
Trace: 88034000 <__wait_on_page+140/1cc>
Trace: 880aba3c <write_chan+178/2d8>
Trace: 880a69b4 <tty_write+1e0/2c4>
Trace: 880a67d4 <tty_write+0/2c4>
Trace: 8803f8f0 <sys_write+154/1b4>
Trace: 8801917c <__gnu_compiled_c+17c/280>
Trace: 88046b18 <sys_newfstat+b4/d4>
Trace: 88011e04 <stack_done+18/34>
Trace: 88011698 <nopage_tlbl+f8/100>

Aiee, killing interrupt handler
Unable to handle kernel paging request at virtual address 00000000, epc == 880257e8, ra == 880257e8
Oops: 0001
$0 : 00000000 880f0000 00000018 bfbd9830
$4 : 880f60e4 00000001 03b92000 3004fc01
$8 : 0000fc00 ffff00ff 3004fc00 00000001
$12: fffffffc 3004fc01 00000000 00000001
$16: 883bdce0 8feea000 880f5f58 8feea000
$20: 8ff4a0a4 00000021 0000000b 8ff41020
$24: 00000000 2ab30ff0
$28: 8feea000 8feebbe0 8feebbe0 880257e8
epc : 880257e8
Status: 3004fc03
Cause : 3000000c
Process cat (pid: 5, stackpage=8feea000)
Stack: 880cd74c 3004fc01 8ff80000 883bdca0 883bdce0 8ff4a020 00000400 880ab8c4
8802c740 8802c698 880cdbc8 00000001 03b92000 3004fc01 8feebc78 00000000
8feebc78 8feea000 00000000 8ff41020 10013228 880180b0 880cc90c 00000001
03b92000 3004fc01 8ff370e0 88019254 880cce14 00000000 880c9990 880ca05c
8811d548 00000050 00000031 8ff40000 00000000 88011698 8ff48010 883b0400
00000001 ...
Call Trace: [<880cd74c>] [<880ab8c4>] [<8802c740>] [<8802c698>] [<880cdbc8>] [<880180b0>] [<880cc90c>] [<88019254>] [<880cce14>] [<880c9990>] [<880ca05c>] [<88011698>] [<88078438>] [<880782b4>] [<8806fc9c>] [<880ab8c4>] [<880ca05c>] [<880c9990>] [<8802dd1
0>] [<880ab8c4>] [<880c999c>] [<880ca05c>] [<8800a608>] [<880ab8c4>] [<880a976c>] [<880c291c>] [<880a9784>] [<88034000>] [<880aba3c>] [<880a69b4>] [<880a67d4>] [<8803f8f0>] [<8801917c>] [<88046b18>] [<88011e04>] [<88011698>]
Code: 3c04880d 0e00a55b 2484d74c <ac000000> 03c0e821 8fbf0020 8fbe001c 8fb20018 8fb10014
Error set_section_contents: Bad value

>>RA : 880257e8 <schedule+378/39c>
>>EIP: 880257e8 <schedule+378/39c>
Trace: 880cd74c <tvecs+4c/25c8>
Trace: 880ab8c4 <write_chan+0/2d8>
Trace: 8802c740 <do_exit+340/370>
Trace: 8802c698 <do_exit+298/370>
Trace: 880cdbc8 <tvecs+4c8/25c8>
Trace: 880180b0 <die+98/a8>
Trace: 880cc90c <dummycon_dummy+1b20/2914>
Trace: 88019254 <__gnu_compiled_c+254/280>
Trace: 880cce14 <dummycon_dummy+2028/2914>
Trace: 880c9990 <indy_local0_irqdispatch+ac/d4>
Trace: 880ca05c <indyIRQ+11c/180>
Trace: 88011698 <nopage_tlbl+f8/100>
Trace: 88078438 <ip_local_deliver+1c8/264>
Trace: 880782b4 <ip_local_deliver+44/264>
Trace: 8806fc9c <net_bh+24c/2f4>
Trace: 880ab8c4 <write_chan+0/2d8>
Trace: 880ca05c <indyIRQ+11c/180>
Trace: 880c9990 <indy_local0_irqdispatch+ac/d4>
Trace: 8802dd10 <__gnu_compiled_c+a0/d0>
Trace: 880ab8c4 <write_chan+0/2d8>
Trace: 880c999c <indy_local0_irqdispatch+b8/d4>
Trace: 880ca05c <indyIRQ+11c/180>
Trace: 8800a608 <handle_bottom_half+8/10>
Trace: 880ab8c4 <write_chan+0/2d8>
Trace: 880a976c <opost_block+204/234>
Trace: 880c291c <rs_flush_chars+204/210>
Trace: 880a9784 <opost_block+21c/234>
Trace: 88034000 <__wait_on_page+140/1cc>
Trace: 880aba3c <write_chan+178/2d8>
Trace: 880a69b4 <tty_write+1e0/2c4>
Trace: 880a67d4 <tty_write+0/2c4>
Trace: 8803f8f0 <sys_write+154/1b4>
Trace: 8801917c <__gnu_compiled_c+17c/280>
Trace: 88046b18 <sys_newfstat+b4/d4>
Trace: 88011e04 <stack_done+18/34>
Trace: 88011698 <nopage_tlbl+f8/100>

Aiee, killing interrupt handler

2 errors issued. Results may not be reliable.

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