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SubjectOops using ohci1394 on 2.4.10-ac4
Date
I've been trying to get my 1394 card working on Linux...  It's possible
this card (D-Link DFW500) isn't supported, but it probably shouldn't oops
:-)

No devices are connected to the card at this point. Booted into the
console. SMP kernel with noapic,nosmp to eliminate smp bugs...

testlibraw gives:

spock:~# testlibraw
successfully got handle
current generation number: 1
1 card(s) found
nodes on bus: 1, card name: ohci1394
using first card found: 1 nodes on bus, local ID is 0, IRM is 63

doing transactions with custom tag handler
trying to send read request to node 0... completed with value 0xa9e91744

using standard tag handler and synchronous calls
trying to read from node 0... completed with value 0xc9f01744

testing FCP monitoring on local node
Segmentation fault

The following oops is generated:
Unable to handle kernel NULL pointer dereference at virtual address 00000039
d2952105
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<d2952105>] Tainted: P
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010002
eax: cdd42a60 ebx: cdd42a60 ecx: 00000001 edx: cdd42afc
esi: 00000202 edi: 00000001 ebp: cdd42afc esp: cd009e74
ds: 0018 es: 0018 ss: 0018
Process testlibraw (pid: 417, stackpage=cd009000)
Stack: cdd42a60 cc90f768 cc90f750 d2952707 cdd42afc cc90f800 cc90f760 00000000
00000008 cd009ea8 cc90f7ec cc90f740 00000283 cd009ea8 cd009ea8 d2941961
d294d000 0000ffc0 00000000 00000000 cc90f760 00000008 0000ffc0 d294d000
Call Trace: [<d2952707>] [<d2941961>] [<d29424d1>] [<d2941a99>] [<d2952cbe>]
[<d2953303>] [<d29533ec>] [<c0133b3b>] [<c0106d7b>]
Warning (Oops_read): Code line not seen, dumping what data is available

>>EIP; d2952104 <[raw1394]queue_complete_req+c/6c> <=====
Trace; d2952706 <[raw1394]fcp_request+192/1b0>
Trace; d2941960 <[ieee1394]highlevel_fcp_request+50/6c>
Trace; d29424d0 <[ieee1394]write_fcp+50/5c>
Trace; d2941a98 <[ieee1394]highlevel_write+68/bc>
Trace; d2952cbe <[raw1394]handle_local_request+c6/1c8>
Trace; d2953302 <[raw1394]state_connected+e6/f8>
Trace; d29533ec <[raw1394]raw1394_write+d8/fc>
Trace; c0133b3a <sys_write+8e/c4>
Trace; c0106d7a <system_call+32/38>

Other info:

Linux version 2.4.10-ac4 (root@spock) (gcc version 2.95.4 20010902 (Debian prerelease)) #1 SMP Fri Oct 5 00:39:46 BST 2001

Module Size Used by
raw1394 7280 2
ohci1394 16896 2
ieee1394 24968 0 [raw1394 ohci1394]
rtc 6136 0 (autoclean)
nfs 72192 1 (autoclean)
lockd 47520 1 (autoclean) [nfs]
sunrpc 63732 1 (autoclean) [nfs lockd]
nls_iso8859-15 3392 1 (autoclean)
nls_cp437 4384 1 (autoclean)
vfat 9340 1 (autoclean)
fat 29976 0 (autoclean) [vfat]
serial 44064 0 (autoclean)
emu10k1 53760 0
sound 55756 0 [emu10k1]
soundcore 3844 7 [emu10k1 sound]
ac97_codec 9472 0 [emu10k1]
mousedev 3904 2
hid 12512 0 (unused)
input 3456 0 [mousedev hid]
usb-uhci 21860 0 (unused)
usbcore 50080 1 [hid usb-uhci]
i810_rng 2584 0 (unused)
isofs 24704 0 (unused)
inflate_fs 18272 0 [isofs]
sg 23556 0 (unused)
sr_mod 11160 0 (unused)
cdrom 29248 0 [sr_mod]
ide-scsi 7456 0
scsi_mod 80696 3 [sg sr_mod ide-scsi]
ide-floppy 11040 0
eepro100 16208 1

00:00.0 Host bridge: Intel Corporation 82840 840 (Carmel) Chipset Host Bridge (Hub A) (rev 01)
00:01.0 PCI bridge: Intel Corporation 82840 840 (Carmel) Chipset AGP Bridge (rev 01)
00:02.0 PCI bridge: Intel Corporation 82840 840 (Carmel) Chipset PCI Bridge (Hub B) (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801AA PCI Bridge (rev 02)
00:1f.0 ISA bridge: Intel Corporation 82801AA ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801AA IDE (rev 02)
00:1f.2 USB Controller: Intel Corporation 82801AA USB (rev 02)
00:1f.3 SMBus: Intel Corporation 82801AA SMBus (rev 02)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
01:06.0 Multimedia audio controller: Creative Labs SB Live! EMU10000 (rev 04)
01:06.1 Input device controller: Creative Labs SB Live! (rev 01)
01:07.0 FireWire (IEEE 1394): Texas Instruments TSB12LV23 OHCI Compliant IEEE-1394 Controller
01:08.0 Ethernet controller: Intel Corporation 82820 820 (Camino 2) Chipset Ethernet (rev 08)
02:1f.0 PCI bridge: Intel Corporation 82806AA PCI64 Hub PCI Bridge (rev 02)
03:00.0 PIC: Intel Corporation 82806AA PCI64 Hub Advanced Programmable Interrupt Controller (rev 01)
04:00.0 VGA compatible controller: nVidia Corporation NV15 (Geforce2 GTS) (rev a3)

CPU0
0: 89315 XT-PIC timer
1: 3323 XT-PIC keyboard
2: 0 XT-PIC cascade
8: 1 XT-PIC rtc
9: 8207 XT-PIC acpi, usb-uhci, ohci1394
11: 42220 XT-PIC eth0, EMU10K1
14: 8763 XT-PIC ide0
15: 13 XT-PIC ide1
NMI: 0
LOC: 0
ERR: 0
MIS: 0

Tony

--
"Only wimps use tape backup: _real_ men just upload their important stuff on
ftp, and let the rest of the world mirror it ;)" -- Linus Torvalds

tmh@nothing-on.tv http://www.nothing-on.tv
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