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SubjectKernel crash when trying to mount cdrom..
I'm running kernel v1.3.84 and when i try to mount my SCSI cdrom
my scsi bus totally crashes. My system-configuration looks like this:

Pentium 100MHz
16MB RAM
Diamond Stealth 64 Video 2000 (rev 0) at IRQ 10, 32 bit memory at 0xf0000000.
NCR53c810 SCSI-Board (rev 2) at IRQ 11, 32 bit memory at 0xf2000000.
scsi id 0: Vendor: IBM Model: 62RW100 Rev: G T
1: Vendor: QUANTUM Model: EMPIRE_1080S Rev: 1021
2: Vendor: TOSHIBA Model: CD-ROM DRIVE:XM Rev: 3332
Intel Triton Chipset.

And i get these messages:
kernel: SCSI error: host 0 id 2 lun 0 return code = 25040000
kernel: ^ISense class 0, sense error 0, extended sense 0
kernel: SCSI error: host 0 id 2 lun 0 return code = 25040000
kernel: ^ISense class 0, sense error 0, extended sense 0
kernel: sr_photocd: ioctl error (TOSHIBA #1): 0x25040000
kernel: scsi : aborting command due to timeout : pid 1907, scsi0, channel 0, id 1, lun 0 0x0a 12 3c b4 02 00
kernel: scsi0 : DANGER : command running, can not abort.
kernel: SCSI error: host 0 id 2 lun 0 return code = 25040000
kernel: ^ISense class 0, sense error 0, extended sense 0
kernel: CD-ROM I/O error: dev 0b:00, sector 64
kernel: isofs_read_super: bread failed, dev 0b:00 iso_blknum 16
kernel: SCSI error: host 0 id 2 lun 0 return code = 25040000
kernel: ^ISense class 0, sense error 0, extended sense 0
kernel: scsi : aborting command due to timeout : pid 1909, scsi0, channel 0, id 1, lun 0 0x0a 0f a2 2e 04 00
kernel: scsi0 : found command 1909 in Linux issue queue
kernel: scsi : aborting command due to timeout : pid 1910, scsi0, channel 0, id 1, lun 0 0x0a 0f a4 8c 02 00
kernel: scsi0 : found command 1910 in Linux issue queue
kernel: scsi : aborting command due to timeout : pid 1907, scsi0, channel 0, id 1, lun 0 0x0a 12 3c b4 02 00
kernel: scsi0 : DANGER : command running, can not abort.
kernel: SCSI host 0 abort (pid 1907) timed out - resetting
kernel: SCSI bus is being reset for host 0.
kernel: scsi0 : DCMD|DBC=0x860b0000, DNAD=0x238810 (virt 0x00238810)
kernel: DSA=0x9ec1e8 (virt 0x009ec1e8)
kernel: DSPS=0x238810, TEMP=0x9ec0ac (virt 0x009ec0ac), DMODE=0x88
kernel: SXFER=0x0, SCNTL3=0x3
kernel: phase=MSGIN, 0 bytes in SCSI FIFO
kernel: STEST0=0x7
kernel: scsi0 : DSP 0x238808 (virt 0x00238808) ->
kernel: 0x238808 (virt 0x00238808) : 0x860b0000 0x00238810 (virt 0x00238810)
kernel: 0x238810 (virt 0x00238810) : 0x1e000000 0x00000040 (virt 0x00000040)
kernel: 0x238818 (virt 0x00238818) : 0x90080000 0x00000000 (virt 0x00000000)
kernel: 0x238820 (virt 0x00238820) : 0x820b0000 0x00238840 (virt 0x00238840)
kernel: 0x238828 (virt 0x00238828) : 0x9f030000 0x00000000 (virt 0x00000000)
kernel: 0x238830 (virt 0x00238830) : 0x8f0b0000 0x00238a00 (virt 0x00238a00)
kernel: scsi0 : issue queue
kernel: scsi0 : dsa at phys 0x8ce080 (virt 0x008ce080)
kernel: + 64 : dsa_msgout length = 2328032, data = 0x0 (virt 0x00000000)
kernel: + 60 : select_indirect = 0xc0000004
kernel: + 56 : dsa_cmnd = 0x0
kernel: + 48 : dsa_next = 0x0
kernel: scsi0 : dsa at phys 0x86080 (virt 0x00086080)
kernel: + 64 : dsa_msgout length = 2328032, data = 0x0 (virt 0x00000000)
kernel: + 60 : select_indirect = 0xc0000004
kernel: + 56 : dsa_cmnd = 0x0
kernel: + 48 : dsa_next = 0x0
kernel: scsi0 : schedule dsa array :
kernel: scsi0 : dsa at phys 0x8f0080 (virt 0x008f0080)
kernel: + 64 : dsa_msgout length = 2328032, data = 0x23a21c (virt 0x0023a21c)
kernel: + 60 : select_indirect = 0xc0000004
kernel: + 56 : dsa_cmnd = 0x0
kernel: + 48 : dsa_next = 0x0
kernel: scsi0 : end schedule dsa array
kernel: scsi0 : reconnect_dsa_head :
kernel: scsi0 : end reconnect_dsa_head
kernel: The sti() implicit in a printk() prevents hangs
kernel: scsi0 : target 1 accepting asynchronous SCSI
kernel: scsi0 : setting target 1 to asynchronous SCSI

I don't know what to do!, please help someone!.

Stefan Krantz




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