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OOPS and block on freelist not free copying SCSI CD

daemon@ATHENA.MIT.EDU (Richard Waltham)
Tue Jun 24 09:15:41 1997

From: Richard Waltham <dormouse@farsrobt.demon.co.uk>
To: linux-kernel@vger.rutgers.edu, linux-scsi@vger.rutgers.edu
Date: 	Tue, 24 Jun 1997 13:48:48 +0100 (BST)

While copying a CD-Rom with SCSI CD-Rom to SCSI disk got the following oops. 

kernel 2.0.30, pre-patch 2.0.31-2 + Gerard Roudier's buffer patch. 

System: GA586hx MB, 64Mbytes dram, ncr53c8xx v2.3a, SYM8751SP scsi
controller, ne2000 ISA clone.

CD-Rom errors are only apparent using the SCSI CD drive. Copying the same CD
using an IDE CD-Rom drive is OK.

SCSI CD drive is an old Toshiba 3301. SCSI CD-Rom driver loaded as module.


 Warning: defective cdrom (volume sequence number). Enabling "cruft" mount option.
 File unit size != 0 for ISO file (954846).
 Interleaved files not (yet) supported.
 File unit size != 0 for ISO file (934328).
 File unit size != 0 for ISO file (934438).
 File unit size != 0 for ISO file (1014204).
 File unit size != 0 for ISO file (862672).
 Interleaved files not (yet) supported.
 File unit size != 0 for ISO file (870830).
 File unit size != 0 for ISO file (860580).
 File unit size != 0 for ISO file (813508).
 kmalloc of too large a block (67702033 bytes).
 Interleaved files not (yet) supported.
 general protection: 0000
 CPU:    0
 EIP:    0010:[get_hash_table+52/172]
 EFLAGS: 00010286
 eax: aa93820c   ebx: 03720b00   ecx: 037232f4   edx: 00000c83
 esi: 00000b00   edi: 00034783   ebp: 00000400   esp: 0368fe3c
 ds: 0018   es: 0018   fs: 002b   gs: 002b   ss: 0018
 Process cp (pid: 155, process nr: 21, stackpage=0368f000)
 Stack: 037232f4 00000b00 00034783 00000400 0368fe60 00000c83 00124893 00000b00 
        00034783 00000400 037232f4 00000400 00034783 03939dfc 00000001 00125058 
        00000b00 00034783 00000400 0191c000 001670f7 00000b00 00034783 00000400 
 Call Trace: [getblk+47/936] [bread+24/124] [isofs_find_entry+611/1276] [isofs_lookup+148/412] [dir_namei+193/308] [lookup+222/248] [_namei+91/196] 
        [namei+48/72] [sys_newstat+41/88] [system_call+82/128] 
 Code: 39 38 75 24 66 39 58 04 75 1e 39 68 20 74 22 56 e8 1f fa ff 
 Problem: block on freelist at 00087ed4 isn't free.
 last message repeated 55 times
 Problem: block on freelist at 02dd4190 isn't free.
 Problem: block on freelist at 02dd4190 isn't free.
 Problem: block on freelist at 02dd4190 isn't free.
 Problem: block on freelist at 00087ed4 isn't free.
 Problem: block on freelist at 02dd4190 isn't free.
 Problem: block on freelist at 00087ed4 isn't free.

followed by at least a hundred more similar lines .


-- 
 Richard Waltham   |               Work: richard@digtalinterface.demon.co.uk
   At home in      |               Home:       dormouse@farsrobt.demon.co.uk
 Southampton UK    |                                  Compuserve 100421.1276

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