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SubjectRe: ide-scsi bug hard locks machine
so after some coaching, below should be some useful information.

I have a liteon 48x cd burner connected to a promise controller using
ide-scsi, this currently works fine on 2.5.52. I think this also
happened with 2.5.54 and I gave up on that one. The output below is from
2.5.56.

Thanks


ksymoops 2.4.8 on i686 2.5.52. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.52/ (default)
-m /boot/System.map-2.5.56 (specified)

Error (regular_file): read_ksyms stat /proc/ksyms failed
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Call Trace: [<c0116941>] [<c0109b76>] [<c01169b0>] [<c011a5db>] [<c0109d8c>] [<c0263100>] [<c0262730>] [<c026848c>] [<c0268390>] [<c0261e63>] [<c0261cc0>] [<c0261c80>] [<c026225d>] [<c02622d7>] [<c0262b65>] [<c0109d97>] [<c0262c89>] [<c0262bb0>] [<c0108be9>]
Warning (Oops_read): Code line not seen, dumping what data is available


Trace; c0116941 <schedule+2f1/300>
Trace; c0109b76 <__down+96/100>
Trace; c01169b0 <default_wake_function+0/40>
Trace; c011a5db <call_console_drivers+5b/120>
Trace; c0109d8c <__down_failed+8/c>
Trace; c0263100 <.text.lock.scsi_error+2d/6d>
Trace; c0262730 <scsi_sleep_done+0/20>
Trace; c026848c <idescsi_abort+fc/110>
Trace; c0268390 <idescsi_abort+0/110>
Trace; c0261e63 <scsi_send_eh_cmnd+153/1a0>
Trace; c0261cc0 <scsi_eh_done+0/50>
Trace; c0261c80 <scsi_eh_times_out+0/40>
Trace; c026225d <scsi_eh_tur+9d/d0>
Trace; c02622d7 <scsi_eh_abort_cmd+47/70>
Trace; c0262b65 <scsi_unjam_host+a5/f0>
Trace; c0109d97 <__down_failed_interruptible+7/c>
Trace; c0262c89 <scsi_error_handler+d9/110>
Trace; c0262bb0 <scsi_error_handler+0/110>
Trace; c0108be9 <kernel_thread_helper+5/c>

kernel BUG at drivers/scsi/ide-scsi.c:483!
invalid operand: 0000
CPU: 0
EIP: 0060:[<c0267845>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010286
eax: c024ab50 ebx: c0448d84 ecx: edae15ed edx: 0000d002
esi: d7c96800 edi: d7c93bc0 ebp: 00000000 esp: d7c4be5c
ds: 007b es: 007b ss: 0068
Stack: 0000d002 c0448d84 00000008 00000080 0000001e c0448d84 c0448d84 00000000
d7d023c0 c0246bd9 c0448d84 d7c93bc0 00000000 00000088 0000001e d7c4a000
d7d023c0 c0448d84 d7d7eb80 c0246dd9 c0448d84 d7d023c0 c0448e2c d7c4a000
Call Trace: [<c0246bd9>] [<c0246dd9>] [<c02474ff>] [<c0247443>] [<c026825b>] [<c0261dbc>] [<c0261cc0>] [<c0261c80>] [<c026225d>] [<c0262417>] [<c02622d7>] [<c0262b79>] [<c0109d97>] [<c0262c89>] [<c0262bb0>] [<c0108be9>]
Code: 0f 0b e3 01 2b 07 38 c0 8b 57 38 a1 c8 d0 42 c0 89 d1 29 c1


>>EIP; c0267845 <idescsi_transfer_pc+a5/110> <=====

>>eax; c024ab50 <atapi_reset_pollfunc+0/120>
>>ebx; c0448d84 <ide_hwifs+f64/4998>

Trace; c0246bd9 <start_request+f9/1b0>
Trace; c0246dd9 <ide_do_request+f9/210>
Trace; c02474ff <ide_do_drive_cmd+9f/100>
Trace; c0247443 <ide_init_drive_cmd+23/40>
Trace; c026825b <idescsi_queue+1eb/320>
Trace; c0261dbc <scsi_send_eh_cmnd+ac/1a0>
Trace; c0261cc0 <scsi_eh_done+0/50>
Trace; c0261c80 <scsi_eh_times_out+0/40>
Trace; c026225d <scsi_eh_tur+9d/d0>
Trace; c0262417 <scsi_eh_bus_device_reset+77/c0>
Trace; c02622d7 <scsi_eh_abort_cmd+47/70>
Trace; c0262b79 <scsi_unjam_host+b9/f0>
Trace; c0109d97 <__down_failed_interruptible+7/c>
Trace; c0262c89 <scsi_error_handler+d9/110>
Trace; c0262bb0 <scsi_error_handler+0/110>
Trace; c0108be9 <kernel_thread_helper+5/c>

Code; c0267845 <idescsi_transfer_pc+a5/110>
00000000 <_EIP>:
Code; c0267845 <idescsi_transfer_pc+a5/110> <=====
0: 0f 0b ud2a <=====
Code; c0267847 <idescsi_transfer_pc+a7/110>
2: e3 01 jecxz 5 <_EIP+0x5>
Code; c0267849 <idescsi_transfer_pc+a9/110>
4: 2b 07 sub (%edi),%eax
Code; c026784b <idescsi_transfer_pc+ab/110>
6: 38 c0 cmp %al,%al
Code; c026784d <idescsi_transfer_pc+ad/110>
8: 8b 57 38 mov 0x38(%edi),%edx
Code; c0267850 <idescsi_transfer_pc+b0/110>
b: a1 c8 d0 42 c0 mov 0xc042d0c8,%eax
Code; c0267855 <idescsi_transfer_pc+b5/110>
10: 89 d1 mov %edx,%ecx
Code; c0267857 <idescsi_transfer_pc+b7/110>
12: 29 c1 sub %eax,%ecx


1 warning and 1 error issued. Results may not be reliable.



output from lspci:

00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133] (rev 03)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP]
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 40)
00:07.2 USB Controller: VIA Technologies, Inc. USB (rev 1a)
00:07.3 USB Controller: VIA Technologies, Inc. USB (rev 1a)
00:07.4 Bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 40)
00:09.0 Ethernet controller: Digital Equipment Corporation DECchip 21140 [FasterNet] (rev 22)
00:0a.0 Unknown mass storage controller: Promise Technology, Inc. 20267 (rev 02)
00:0b.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 02)
00:0b.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 02)
00:0c.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 08)
00:0c.1 Input device controller: Creative Labs SB Live! MIDI/Game Port (rev 08)
01:00.0 VGA compatible controller: nVidia Corporation NV6 [Vanta] (rev 15)


--
Jason Thomas Phone: +61 2 6257 7111
Unix System Administrator Fax: +61 2 6257 7311
tSA Consulting Group Pty. Ltd. Mobile: 0418 29 66 81
1 Hall Street Lyneham ACT 2602 http://www.topic.com.au/
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