CSPPC UW-SCSI and CD/DVD drives

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Hello.

Yesterday, I found out that there has finally been CSPPC UW-SCSI
support added to the APUS kernel.  I was really happy about this and
would like to applaud the responsible party/ies for this effort.

However, while mounting a hard disk worked just fine, I could not get
it to mount either a normal CD-ROM or my DVD-RAM (which was the unit I
actually wanted to use).

The following messages appeared:

[root@amicus marcus]# mount /dev/scd0 /mnt/cdrom
mount: block device /dev/scd0 is write-protected, mounting read-only
Oops: kernel access of bad area, sig: 11 
NIP: C3F4C000 XER: 20000000 LR: C3F4C000 SP: C070FC20 REGS: c070fb70 TRAP: 0400    Not tainted 
MSR: 10009072 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 
TASK = c070e000[696] 'mount' Last syscall: 21 
last math c070e000 last altivec 00000000 
GPR00: C3F4C000 C070FC20 C070E000 00000000 00001072 00000001 C02C0350 C02C0348 
GPR08: C3F65000 00000000 00000100 0000000E 82008488 1002848C 00000000 00000000 
GPR16: 7FFFF5CC 7FFFF5D8 7FFFF5C8 00000001 00009072 0870FF40 00000000 C07D9000 
GPR24: 00000001 C0776DE0 C070FD28 C0230000 C3F53C14 C3F4D880 00520109 00140100 
Call backtrace: 
C3F4C000 
Segmentation fault
[root@amicus marcus]# mount -t udf -o ro /dev/scd1 /mnt/cdrom
udf: registering filesystem 
Oops: kernel access of bad area, sig: 11 
NIP: 00000000 XER: 20000000 LR: 00000000 SP: C2EC7C00 REGS: c2ec7b50 TRAP: 0400    Not tainted 
MSR: 40009072 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 
TASK = c2ec6000[717] 'mount' Last syscall: 7 
last math 00000000 last altivec 00000000 
GPR00: 00000000 C2EC7C00 C2EC6000 00000000 00001072 00000001 C02C0350 C02C0348 
GPR08: C3F65000 0000000D 00000100 0000000E 82008448 1001E8F8 00000000 00000000 
GPR16: 7FFFF68C 7FFFF698 7FFFF688 00000000 00009072 0AEC7F40 00000000 C2C05000 
GPR24: 00000001 C0B9C2C0 C2EC7D28 C0230000 C3F53C7C 00005305 00000001 C2EC7C68 
Call backtrace: 
00000000 
Segmentation fault
[root@amicus marcus]# 

I'm including the whole syslog at the end of the mail, in case it's of
interrest to anybody.

Is there anything I can do to help debug this?  I'd really like to be
able to use my DVD-RAM from Linux as well...

  // Marcus

Oct 24 13:08:59 amicus syslogd 1.3-3: restart.
Oct 24 13:08:59 amicus syslog: syslogd startup succeeded
Oct 24 13:08:59 amicus syslog: klogd startup succeeded
Oct 24 13:08:59 amicus kernel: klogd 1.3-3, log source = /proc/kmsg started.
Oct 24 13:08:59 amicus kernel: Inspecting /boot/System.map-2.4.18
Oct 24 13:09:00 amicus identd: identd startup succeeded
Oct 24 13:08:47 amicus rc.sysinit: Mounting proc filesystem succeeded 
Oct 24 13:08:47 amicus sysctl: net.ipv4.ip_forward = 0 
Oct 24 13:08:47 amicus sysctl: net.ipv4.conf.all.rp_filter = 1 
Oct 24 13:08:47 amicus rc.sysinit: Configuring kernel parameters succeeded 
Oct 24 13:08:47 amicus date: Thu Oct 24 13:00:45 CEST 2002 
Oct 24 13:08:47 amicus rc.sysinit: Setting clock  (localtime): Thu Oct 24 13:00:45 CEST 2002 succeeded 
Oct 24 13:08:47 amicus rc.sysinit: Loading default keymap succeeded 
Oct 24 13:08:47 amicus rc.sysinit: Activating swap partitions succeeded 
Oct 24 13:08:47 amicus rc.sysinit: Setting hostname amicus.mc.pp.se succeeded 
Oct 24 13:08:47 amicus rc.sysinit: Setting NIS domain name mc.pp.se succeeded 
Oct 24 13:08:47 amicus fsck: /dev/hda1 has reached maximal mount count, check forced. 
Oct 24 13:08:47 amicus fsck: /dev/hda1: |                                                   
Oct 24 13:08:47 amicus last message repeated 3 times
Oct 24 13:08:47 amicus fsck: /dev/hda1: 149466/798720 files (3.1% non-contiguous), 2877500/3194352 blocks 
Oct 24 13:08:47 amicus rc.sysinit: Checking root filesystem succeeded 
Oct 24 13:08:47 amicus rc.sysinit: Remounting root filesystem in read-write mode succeeded 
Oct 24 13:08:50 amicus rc.sysinit: Finding module dependencies succeeded 
Oct 24 13:08:50 amicus rc.sysinit: Checking filesystems succeeded 
Oct 24 13:08:51 amicus rc.sysinit: Mounting local filesystems succeeded 
Oct 24 13:08:51 amicus rc.sysinit: Turning on user and group quotas for local filesystems succeeded 
Oct 24 13:08:52 amicus rc.sysinit: Enabling swap space succeeded 
Oct 24 13:08:52 amicus init: Entering runlevel: 3 
Oct 24 13:08:53 amicus sysctl: net.ipv4.ip_forward = 0 
Oct 24 13:08:53 amicus sysctl: net.ipv4.conf.all.rp_filter = 1 
Oct 24 13:08:53 amicus network: Setting network parameters succeeded 
Oct 24 13:08:54 amicus network: Bringing up interface lo succeeded 
Oct 24 13:08:55 amicus network: Bringing up interface eth0 succeeded 
Oct 24 13:08:56 amicus portmap: portmap startup succeeded 
Oct 24 13:08:56 amicus rpc.lockd: lockdsvc: Invalid argument 
Oct 24 13:08:56 amicus nfslock: rpc.lockd startup failed 
Oct 24 13:08:56 amicus nfslock: rpc.statd startup succeeded 
Oct 24 13:08:57 amicus ypbind: ypbind startup succeeded 
Oct 24 13:08:58 amicus autofs: autofs startup succeeded 
Oct 24 13:08:58 amicus automount[372]: starting automounter version 3.1.4, path = /misc, maptype = file, mapname = /etc/auto.misc 
Oct 24 13:08:58 amicus random: Initializing random number generator succeeded 
Oct 24 13:08:58 amicus netfs: Mounting other filesystems succeeded 
Oct 24 13:09:00 amicus kernel: Loaded 17174 symbols from /boot/System.map-2.4.18.
Oct 24 13:09:00 amicus kernel: Symbols match kernel version 2.4.18.
Oct 24 13:09:00 amicus kernel: Loaded 27 symbols from 2 modules.
Oct 24 13:09:00 amicus kernel: Memory BAT mapping: BAT2=32Mb, BAT3=16Mb, residual: 15Mb 
Oct 24 13:09:00 amicus kernel: Total memory = 63MB; using 256kB for hash table (at c0280000) 
Oct 24 13:09:00 amicus kernel: Linux version 2.4.18 (ma...@am...) (gcc version 3.0.4) #2 Wed Oct 23 22:40:12 CEST 2002 
Oct 24 13:09:00 amicus kernel: Amiga hardware found: [A4000] VIDEO BLITTER AUDIO FLOPPY A4000_IDE KEYBOARD MOUSE SERIAL PARALLEL A3000_CLK CHIP_RAM PAULA LISA ALICE_PAL ZORRO3  
Oct 24 13:09:00 amicus kernel: On node 0 totalpages: 16256 
Oct 24 13:09:00 amicus kernel: zone(0): 16256 pages. 
Oct 24 13:09:00 amicus kernel: zone(1): 0 pages. 
Oct 24 13:09:00 amicus kernel: zone(2): 0 pages. 
Oct 24 13:09:00 amicus kernel: Kernel command line: root=/dev/hda1 video=pm2fb:mode:800x600-60 nobats 60nsram 
Oct 24 13:09:00 amicus kernel: ioremap: fffc0000 (00001000) -> fdfff000 
Oct 24 13:09:00 amicus kernel: ioremap: fffe0000 (00001000) -> fdffe000 
Oct 24 13:09:00 amicus kernel: APUS: BATs=0, BUS=67MHz, RAM=60ns, PCI bridge=1 
Oct 24 13:09:01 amicus kernel: time_init: decrementer frequency = 16.503517 MHz 
Oct 24 13:09:01 amicus kernel: Console: colour dummy device 80x25 
Oct 24 13:09:01 amicus kernel: Calibrating delay loop... 395.67 BogoMIPS 
Oct 24 13:09:01 amicus kernel: Memory: 61284k available (1604k kernel code, 596k data, 248k init, 0k highmem) 
Oct 24 13:09:01 amicus kernel: Dentry-cache hash table entries: 8192 (order: 4, 65536 bytes) 
Oct 24 13:09:01 amicus kernel: Inode-cache hash table entries: 4096 (order: 3, 32768 bytes) 
Oct 24 13:09:01 amicus kernel: Mount-cache hash table entries: 1024 (order: 1, 8192 bytes) 
Oct 24 13:09:01 amicus kernel: Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes) 
Oct 24 13:09:01 amicus kernel: Page-cache hash table entries: 16384 (order: 4, 65536 bytes) 
Oct 24 13:09:01 amicus kernel: POSIX conformance testing by UNIFIX 
Oct 24 13:09:01 amicus kernel: PCI: Probing PCI hardware 
Oct 24 13:09:01 amicus kernel: Memory resource not set for host bridge 0 
Oct 24 13:09:01 amicus kernel: apus_pcibios_fixup: PCI mem resource requested 
Oct 24 13:09:01 amicus kernel: PCI: Cannot allocate resource region 1 of PCI bridge 0 
Oct 24 13:09:01 amicus kernel: PCI: resource is e0000000..fffc0000 (200), parent c01ccc54 
Oct 24 13:09:01 amicus kernel: PCI:00:01.0: Resource 0: ef000000-ef01ffff (f=200) 
Oct 24 13:09:01 amicus kernel: PCI:00:01.0: Resource 1: e1000000-e17fffff (f=200) 
Oct 24 13:09:01 amicus kernel: PCI:00:01.0: Resource 2: e1000000-e17fffff (f=200) 
Oct 24 13:09:01 amicus kernel: PCI: Cannot allocate resource region 2 of device 00:01.0 
Oct 24 13:09:01 amicus kernel: PCI:  parent is c01cc8d8: e0000000-fffc0000 (f=200) 
Oct 24 13:09:01 amicus kernel: PCI: Switching off ROM of 00:01.0 
Oct 24 13:09:01 amicus kernel: Zorro: Probing AutoConfig expansion devices: 5 devices 
Oct 24 13:09:01 amicus kernel: Linux NET4.0 for Linux 2.4 
Oct 24 13:09:01 amicus kernel: Based upon Swansea University Computer Society NET3.039 
Oct 24 13:09:01 amicus kernel: Initializing RT netlink socket 
Oct 24 13:09:01 amicus kernel: Starting kswapd 
Oct 24 13:09:01 amicus kernel: Journalled Block Device driver loaded 
Oct 24 13:09:01 amicus kernel: ioremap: fffc0000 (00001000) -> c401a000 
Oct 24 13:09:01 amicus kernel: ioremap: fffe0000 (00001000) -> c401c000 
Oct 24 13:09:01 amicus kernel: ioremap: e0000000 (00800000) -> c401e000 
Oct 24 13:09:01 amicus kernel: ioremap: ef010000 (00010000) -> c481f000 
Oct 24 13:09:01 amicus kernel: Console: switching to colour frame buffer device 100x37 
Oct 24 13:09:01 amicus kernel: fb0: CVisionPPC/BVisionPPC (Permedia2), using 8192K of video memory. 
Oct 24 13:09:01 amicus kernel: fb1: Amiga AGA frame buffer device, using 1280K of video memory 
Oct 24 13:09:01 amicus kernel: pty: 256 Unix98 ptys configured 
Oct 24 13:09:01 amicus kernel: Amiga-builtin serial driver version 4.30 
Oct 24 13:09:01 amicus kernel: ttyS00 is the amiga builtin serial port 
Oct 24 13:09:01 amicus kernel: Amiga mouse installed. 
Oct 24 13:09:01 amicus kernel: Generic RTC Driver v1.02 
Oct 24 13:09:01 amicus kernel: block: 128 slots per queue, batch=32 
Oct 24 13:09:01 amicus kernel: RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize 
Oct 24 13:09:01 amicus kernel: Uniform Multi-Platform E-IDE driver Revision: 6.31 
Oct 24 13:09:01 amicus kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx 
Oct 24 13:09:01 amicus kernel: ide0: Gayle IDE interface (A4000 style) 
Oct 24 13:09:01 amicus kernel: hda: Maxtor 32049H2, ATA DISK drive 
Oct 24 13:09:01 amicus kernel: ide0 at 80dd2020 on irq 0x0000000c 
Oct 24 13:09:01 amicus kernel: hda: 40021632 sectors (20491 MB) w/2048KiB Cache, CHS=39704/16/63 
Oct 24 13:09:01 amicus kernel: ide-floppy driver 0.97.sv 
Oct 24 13:09:01 amicus kernel: Partition check: 
Oct 24 13:09:01 amicus kernel:  hda: RDSK hda1 hda2 hda3 hda4 
Oct 24 13:09:01 amicus kernel: FD: probing units 
Oct 24 13:09:01 amicus kernel: found fd0  
Oct 24 13:09:01 amicus kernel: loop: loaded (max 8 devices) 
Oct 24 13:09:01 amicus kernel: No Ariadne II or X-Surf ethernet card found. 
Oct 24 13:09:01 amicus kernel: eth0: Ariadne at 0x00eb0000, Ethernet Address 00:60:30:00:1c:e9 
Oct 24 13:09:01 amicus kernel: eth1: Ariadne at 0x00ec0000, Ethernet Address 00:60:30:00:1a:88 
Oct 24 13:09:01 amicus kernel: ide-floppy driver 0.97.sv 
Oct 24 13:09:01 amicus kernel: SCSI subsystem driver Revision: 1.00 
Oct 24 13:09:01 amicus kernel: ncr53c8xx: 53c770 detected  
Oct 24 13:09:01 amicus kernel: ncr53c770-0: rev=0x00, base=0xf40000, io_port=0x0, irq=12 
Oct 24 13:09:01 amicus kernel: ncr53c770-0: using memory mapped IO at virtual address 0x80f40000 
Oct 24 13:09:01 amicus kernel: ncr53c770-0: ID 7, Fast-20, Parity Checking 
Oct 24 13:09:01 amicus kernel: ncr53c770-0: initial SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 05/c0/21/00/00/04 
Oct 24 13:09:01 amicus kernel: ncr53c770-0: final   SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 05/c0/21/00/00/04 
Oct 24 13:09:01 amicus kernel: ncr53c770-0: on-chip RAM at 0xf41000 
Oct 24 13:09:01 amicus kernel: ncr53c770-0: resetting, command processing suspended for 2 seconds 
Oct 24 13:09:01 amicus kernel: ncr53c770-0: restart (scsi reset). 
Oct 24 13:09:01 amicus kernel: ncr53c770-0: enabling clock multiplier 
Oct 24 13:09:01 amicus kernel: ncr53c770-0: Downloading SCSI SCRIPTS. 
Oct 24 13:09:01 amicus kernel: scsi0 : ncr53c770-3.4.3-20010212 
Oct 24 13:09:01 amicus kernel: ncr53c770-0: command processing resumed 
Oct 24 13:09:01 amicus kernel:   Vendor: QUANTUM   Model: VIKING 4.5 WSE    Rev: 8808 
Oct 24 13:09:01 amicus kernel:   Type:   Direct-Access                      ANSI SCSI revision: 02 
Oct 24 13:09:01 amicus kernel:   Vendor: NEC       Model: CD-ROM DRIVE:222  Rev: 3.0i 
Oct 24 13:09:01 amicus kernel:   Type:   CD-ROM                             ANSI SCSI revision: 02 
Oct 24 13:09:01 amicus kernel:   Vendor: TOSHIBA   Model: SD-W1101 DVD-RAM  Rev: 1029 
Oct 24 13:09:01 amicus kernel:   Type:   CD-ROM                             ANSI SCSI revision: 02 
Oct 24 13:09:01 amicus kernel: Attached scsi disk sda at scsi0, channel 0, id 2, lun 0 
Oct 24 13:09:01 amicus kernel: ncr53c770-0-<2,*>: WIDE SCSI (16 bit) enabled. 
Oct 24 13:09:01 amicus kernel: ncr53c770-0-<2,*>: FAST-20 WIDE SCSI 40.0 MB/s (50 ns, offset 16) 
Oct 24 13:09:01 amicus kernel: SCSI device sda: 8899737 512-byte hdwr sectors (4557 MB) 
Oct 24 13:09:01 amicus kernel:  sda: RDSK sda1 sda2 sda3 sda4 sda5 sda6 
Oct 24 13:09:01 amicus kernel: Attached scsi CD-ROM sr0 at scsi0, channel 0, id 3, lun 0 
Oct 24 13:09:01 amicus kernel: Attached scsi CD-ROM sr1 at scsi0, channel 0, id 4, lun 0 
Oct 24 13:09:01 amicus atd: atd startup succeeded
Oct 24 13:09:01 amicus kernel: ncr53c770-0-<3,*>: FAST-10 SCSI 6.7 MB/s (150 ns, offset 15) 
Oct 24 13:09:01 amicus kernel: sr0: scsi-1 drive 
Oct 24 13:09:01 amicus kernel: Uniform CD-ROM driver Revision: 3.12 
Oct 24 13:09:01 amicus kernel: ncr53c770-0-<4,*>: target did not report SYNC. 
Oct 24 13:09:01 amicus kernel: sr1: scsi3-mmc drive: 0x/0x dvd-ram cd/rw xa/form2 cdda tray 
Oct 24 13:09:01 amicus kernel: NET4: Linux TCP/IP 1.0 for NET4.0 
Oct 24 13:09:01 amicus kernel: IP Protocols: ICMP, UDP, TCP 
Oct 24 13:09:01 amicus kernel: IP: routing cache hash table of 512 buckets, 4Kbytes 
Oct 24 13:09:01 amicus kernel: TCP: Hash tables configured (established 4096 bind 8192) 
Oct 24 13:09:01 amicus kernel: NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. 
Oct 24 13:09:01 amicus kernel: VFS: Mounted root (ext2 filesystem) readonly. 
Oct 24 13:09:01 amicus kernel: Freeing unused kernel memory: 248k init 
Oct 24 13:09:01 amicus kernel: Adding Swap: 131032k swap-space (priority -1) 
Oct 24 13:09:01 amicus kernel: Installing knfsd (copyright (C) 1996 ok...@mo...). 
Oct 24 13:09:02 amicus crond: crond startup succeeded
Oct 24 13:09:02 amicus inet: inetd startup succeeded
Oct 24 13:09:03 amicus sshd: Starting sshd: 
Oct 24 13:09:03 amicus sshd: sshd startup succeeded
Oct 24 13:09:03 amicus sshd: ^[[60G
Oct 24 13:09:03 amicus sshd[515]: Server listening on 0.0.0.0 port 22.
Oct 24 13:09:03 amicus sshd[515]: Generating 768 bit RSA key.
Oct 24 13:09:03 amicus sshd: 
Oct 24 13:09:03 amicus rc: Starting sshd succeeded
Oct 24 13:09:04 amicus lpd: lpd startup succeeded
Oct 24 13:09:04 amicus lpd[531]: restarted
Oct 24 13:09:04 amicus keytable: Loading keymap: 
Oct 24 13:09:04 amicus keytable: Loading /usr/lib/kbd/keymaps/amiga/amiga-se.kmap.gz
Oct 24 13:09:04 amicus keytable: Loading system font: 
Oct 24 13:09:05 amicus rc: Starting keytable succeeded
Oct 24 13:09:05 amicus sshd[515]: RSA key generation complete.
Oct 24 13:09:07 amicus xfs: xfs startup succeeded
Oct 24 13:09:07 amicus xfs: Warning: The directory "/usr/share/fonts/default/TrueType" does not exist. 
Oct 24 13:09:07 amicus xfs:          Entry deleted from font path. 
Oct 24 13:09:08 amicus linuxconf: Linuxconf final setup
Oct 24 13:09:10 amicus rc: Starting linuxconf succeeded
Oct 24 13:13:32 amicus PAM_pwdb[636]: (login) session opened for user marcus by LOGIN(uid=0)
Oct 24 13:13:55 amicus PAM_pwdb[677]: (su) session opened for user root by marcus(uid=2042)
Oct 24 13:14:13 amicus kernel: Oops: kernel access of bad area, sig: 11 
Oct 24 13:14:13 amicus kernel: NIP: C3F4C000 XER: 20000000 LR: C3F4C000 SP: C070FC20 REGS: c070fb70 TRAP: 0400    Not tainted 
Oct 24 13:14:13 amicus kernel: MSR: 10009072 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 
Oct 24 13:14:13 amicus kernel: TASK = c070e000[696] 'mount' Last syscall: 21  
Oct 24 13:14:13 amicus kernel: last math c070e000 last altivec 00000000 
Oct 24 13:14:13 amicus kernel: GPR00: C3F4C000 C070FC20 C070E000 00000000 00001072 00000001 C02C0350 C02C0348  
Oct 24 13:14:13 amicus kernel: GPR08: C3F65000 00000000 00000100 0000000E 82008488 1002848C 00000000 00000000  
Oct 24 13:14:13 amicus kernel: GPR16: 7FFFF5CC 7FFFF5D8 7FFFF5C8 00000001 00009072 0870FF40 00000000 C07D9000  
Oct 24 13:14:13 amicus kernel: GPR24: 00000001 C0776DE0 C070FD28 C0230000 C3F53C14 C3F4D880 00520109 00140100  
Oct 24 13:14:13 amicus kernel: Call backtrace:  
Oct 24 13:14:13 amicus kernel: C3F4C000  
Oct 24 13:15:19 amicus PAM_pwdb[700]: (su) session opened for user root by marcus(uid=2042)
Oct 24 13:15:56 amicus kernel: udf: registering filesystem 
Oct 24 13:15:56 amicus kernel: Oops: kernel access of bad area, sig: 11 
Oct 24 13:15:56 amicus kernel: NIP: 00000000 XER: 20000000 LR: 00000000 SP: C2EC7C00 REGS: c2ec7b50 TRAP: 0400    Not tainted 
Oct 24 13:15:56 amicus kernel: MSR: 40009072 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 
Oct 24 13:15:56 amicus kernel: TASK = c2ec6000[717] 'mount' Last syscall: 7  
Oct 24 13:15:56 amicus kernel: last math 00000000 last altivec 00000000 
Oct 24 13:15:56 amicus kernel: GPR00: 00000000 C2EC7C00 C2EC6000 00000000 00001072 00000001 C02C0350 C02C0348  
Oct 24 13:15:56 amicus kernel: GPR08: C3F65000 0000000D 00000100 0000000E 82008448 1001E8F8 00000000 00000000  
Oct 24 13:15:56 amicus kernel: GPR16: 7FFFF68C 7FFFF698 7FFFF688 00000000 00009072 0AEC7F40 00000000 C2C05000  
Oct 24 13:15:56 amicus kernel: GPR24: 00000001 C0B9C2C0 C2EC7D28 C0230000 C3F53C7C 00005305 00000001 C2EC7C68  
Oct 24 13:15:56 amicus kernel: Call backtrace:  
Oct 24 13:15:56 amicus kernel: 00000000  
Oct 24 13:16:35 amicus PAM_pwdb[700]: (su) session closed for user root
Oct 24 13:20:23 amicus PAM_pwdb[725]: (su) session opened for user root by marcus(uid=2042)