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SubjectOops' in get_hash_table on 2.0.33 with Squid server
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Hi,
We're running a squid server on a Pentium Pro 150 with 128MB, a BusLogic
BT-958 controller and DEC 21140 Tulip card. We've been seeing
occaisional oops' in get_hash_table. This has happened with both 2.0.30
and 2.0.33 kernels. I saw a similar report about 3 months ago on this list
with a Pentium II 128MB system with Adaptec controller and NE2k ethernet card
with a 2.0.31-pre9 kernel.



Dec 17 11:54:50 cordite kernel: Unable to handle kernel paging request at virtua
l address ef5b46dd
Dec 17 11:54:50 cordite kernel: current->tss.cr3 = 0787f000, 8r3 = 0787f000
Dec 17 11:54:50 cordite kernel: *pde = 00000000
Dec 17 11:54:50 cordite kernel: Oops: 0000
Dec 17 11:54:50 cordite kernel: CPU: 0
Dec 17 11:54:50 cordite kernel: EIP: 0010:[get_hash_table+52/172]
Dec 17 11:54:50 cordite kernel: EFLAGS: 00010206
Dec 17 11:54:50 cordite kernel: eax: 2f5b46dd ebx: 00280801 ecx: 00000801
edx: 00000d5d
Dec 17 11:54:50 cordite kernel: esi: 00000801 edi: 0028655c ebp: 00000400
esp: 07863ddc
Dec 17 11:54:50 cordite kernel: ds: 0018 es: 0018 fs: 002b gs: 002b ss:
0018
Dec 17 11:54:50 cordite kernel: Process squid (pid: 214, process nr: 25, stackpa
ge=07863000)
Dec 17 11:54:50 cordite kernel: Stack: 0028655c 07860801 00000400 0028655c 00286
54e 00000d5d 0012550e 00000801
Dec 17 11:54:50 cordite kernel: 0028655c 00000400 0028655c 07863ef4 001dd
870 0028655c 00000001 00156434
Dec 17 11:54:50 cordite kernel: 00000801 0028655c 00000400 00000000 00286
55c 00000001 073df000 00000400
Dec 17 11:54:50 cordite kernel: Call Trace: [getblk+54/956] [ext2_alloc_block+12
8/412] [block_getblk+348/612] [ext2_getblk+385/556] [ext2_file_write+389/1116] [
kfree_skbmem+67/80] [<08114f88>]
Dec 17 11:54:50 cordite kernel: [sys_write+331/388] [<081710d0>] [<08114f
88>] [system_call+85/124] [<08170cd0>] [<08114f88>]
Dec 17 11:54:50 cordite kernel: Code: 39 38 75 24 66 39 58 04 75 1e 39 68 20 74
22 56 e8 43 fa ff
Dec 17 11:55:02 cordite squid[1731]: Starting Squid Cache version 1.1.18+retry f
or i686-pc-linux-gnu...
Dec 17 11:55:03 cordite squid[1731]: Pinger socket opened on FD 24
Dec 17 11:55:03 cordite squid[1731]: NETDB state reloaded; 0 entries, 8 msec
Dec 17 11:55:03 cordite squid[1744]: icmpOpen: /usr/local/squid-1.1.18/bin/pinge
r: (2) No such file or directory
Dec 17 11:55:03 cordite squid[1731]: Ready to serve requests.
Dec 17 11:55:03 cordite squid[1731]: icmpSend: send: (111) Connection refused
Dec 17 11:55:03 cordite squid[1731]: Closing ICMP socket on FD 24
Dec 17 11:55:07 cordite kernel: Unable to handle kernel paging request at virtua
l address ef5b46dd
Dec 17 11:55:07 cordite kernel: current->tss.cr3 = 075d4000, 8r3 = 075d4000
Dec 17 11:55:07 cordite kernel: *pde = 00000000
Dec 17 11:55:07 cordite kernel: Oops: 0000
Dec 17 11:55:07 cordite kernel: CPU: 0
Dec 17 11:55:07 cordite kernel: EIP: 0010:[get_hash_table+52/172]
Dec 17 11:55:07 cordite kernel: EFLAGS: 00010206
Dec 17 11:55:07 cordite kernel: eax: 2f5b46dd ebx: 01180304 ecx: 00000400
edx: 00000d5d
Dec 17 11:55:07 cordite kernel: esi: 00000304 edi: 000f2e59 ebp: 00000400
esp: 0755fe68
Dec 17 11:55:07 cordite kernel: ds: 0018 es: 0018 fs: 002b gs: 002b ss:
0018
Dec 17 11:55:07 cordite kernel: Process squid (pid: 1731, process nr: 8, stackpa
ge=0755f000)
Dec 17 11:55:07 cordite kernel: Stack: 01187d98 000f2e59 00000304 00000000 00000
000 00000d5d 001261e9 00000304
Dec 17 11:55:07 cordite kernel: 000f2e59 00000400 0755ff18 000000dc 00000
000 07a3b100 000f2e59 00000304
Dec 17 11:55:07 cordite kernel: 00000100 01187d98 02f50304 00000000 000f2
e5c 00156629 02f56598 0755ff14
Dec 17 11:55:07 cordite kernel: Call Trace: [brw_page+313/896] [ext2_bmap+217/58
8] [generic_readpage+115/128] [try_to_read_ahead+40/296] [try_to_read_ahead+269/
296] [generic_file_read+680/1524] [sys_read+192/232]
Dec 17 11:55:07 cordite kernel: [<08130c60>] [system_call+85/124] [<08130
c60>]
Dec 17 11:55:07 cordite kernel: Code: 39 38 75 24 66 39 58 04 75 1e 39 68 20 74
22 56 e8 43 fa ff



------
Larry J. Blunk
Merit Network, Inc. Ann Arbor, Michigan

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