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    SubjectRe: [PATCH] Re: 2.5.67: ppa driver & preempt == oops
    >
    >
    >
    >Can you capture output for the mount with scsi logging on?
    >
    >It may or may not help track down what is happening.
    >
    >If you haven't done much scsi, some scsi logging info:
    >
    >Check that your .config has CONFIG_SCSI_LOGGING on.
    >
    >Then do something like:
    >
    >sync
    >sync
    >echo scsi log all > /proc/scsi/scsi
    >mount /dev/sdw1 /mnt/sdw1
    >
    >
    scsi logging level set to 0xffffffff
    sd_open: disk=sda
    scsi_block_when_processing_errors: rtn: 1
    sd_media_changed: disk=sda
    scsi_block_when_processing_errors: rtn: 1
    scsi_block_when_processing_errors: rtn: 1
    Trying ioctl with scsi command 0
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea4060, time: 10000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea40b1, buffer = 00000000,
    bufflen = 0, done = c023bb90)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    scsi_delete_timer: scmd: c7ea4060, rtn: 1
    Command failed c7ea4060 2 busy=1 failed=0
    bh?: old sense key No Sense
    Non-extended sense class 0 code 0x0
    Waking error handler thread
    Error handler scsi_eh_0 waking up
    scsi_eh_prt_fail_stats: 0:0:6:0 cmds failed: 1, cancel: 0
    Total of 1 commands on 1 devices require eh work
    scsi_eh_0: requesting sense for id: 6
    scsi_add_timer: scmd: c7ea4060, time: 10000, (c0239f10)
    scsi_eh_done scmd: c7ea4060 result: 0
    scsi_send_eh_cmnd: scmd: c7ea4060, rtn:2002
    scsi_send_eh_cmnd: scsi_eh_completed_normally 2002
    sense requested for c7ea4060 result 2
    Current bh?: sense key Unit Attention
    Additional sense: Not ready to ready change, medium may have changed
    scsi_eh_0: flush finish cmd: c7ea4060
    Notifying upper driver of completion for device 6 8000002
    scsi_restart_operations: waking up host to restart
    Error handler scsi_eh_0 sleeping
    Ioctl returned 0x8000002
    IOCTL Releasing command
    sd_init_onedisk: disk=sda
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea4060, time: 30000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea40b1, buffer = c0fffe00,
    bufflen = 0, done = c023bb90)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    scsi_delete_timer: scmd: c7ea4060, rtn: 1
    Command finished 1 0 0x0
    Notifying upper driver of completion for device 6 0
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea4060, time: 30000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea40b1, buffer = c0fffe00,
    bufflen = 8, done = c023bb90)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    scsi_delete_timer: scmd: c7ea4060, rtn: 1
    Command finished 1 0 0x0
    Notifying upper driver of completion for device 6 0
    SCSI device sda: 196608 512-byte hdwr sectors (101 MB)
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea4060, time: 30000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea40b1, buffer = c0fffe00,
    bufflen = 4, done = c023bb90)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    scsi_delete_timer: scmd: c7ea4060, rtn: 1
    Command finished 1 0 0x0
    Notifying upper driver of completion for device 6 0
    sda: Write Protect is off
    sda: Mode Sense: 25 00 00 08
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea4060, time: 30000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea40b1, buffer = c0fffe00,
    bufflen = 4, done = c023bb90)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    scsi_delete_timer: scmd: c7ea4060, rtn: 1
    Command failed c7ea4060 2 busy=1 failed=0
    bh?: old sense key No Sense
    Non-extended sense class 0 code 0x0
    Waking error handler thread
    Error handler scsi_eh_0 waking up
    scsi_eh_prt_fail_stats: 0:0:6:0 cmds failed: 1, cancel: 0
    Total of 1 commands on 1 devices require eh work
    scsi_eh_0: requesting sense for id: 6
    scsi_add_timer: scmd: c7ea4060, time: 10000, (c0239f10)
    scsi_eh_done scmd: c7ea4060 result: 0
    scsi_send_eh_cmnd: scmd: c7ea4060, rtn:2002
    scsi_send_eh_cmnd: scsi_eh_completed_normally 2002
    sense requested for c7ea4060 result 2
    Current bh?: sense key Illegal Request
    Additional sense: Invalid field in cdb
    scsi_eh_0: flush finish cmd: c7ea4060
    Notifying upper driver of completion for device 6 8000002
    scsi_restart_operations: waking up host to restart
    Error handler scsi_eh_0 sleeping
    sda: cache data unavailable
    sda: assuming drive cache: write through
    scsi_block_when_processing_errors: rtn: 1
    Trying ioctl with scsi command 30
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea4060, time: 10000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea40b1, buffer = 00000000,
    bufflen = 0, done = c023bb90)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    scsi_delete_timer: scmd: c7ea4060, rtn: 1
    Command finished 1 0 0x0
    Notifying upper driver of completion for device 6 0
    Ioctl returned 0x0
    IOCTL Releasing command
    sd_init_onedisk: disk=sda
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea4060, time: 30000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea40b1, buffer = c0fffe00,
    bufflen = 0, done = c023bb90)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    scsi_delete_timer: scmd: c7ea4060, rtn: 1
    Command finished 1 0 0x0
    Notifying upper driver of completion for device 6 0
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea4060, time: 30000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea40b1, buffer = c0fffe00,
    bufflen = 8, done = c023bb90)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    scsi_delete_timer: scmd: c7ea4060, rtn: 1
    Command finished 1 0 0x0
    Notifying upper driver of completion for device 6 0
    SCSI device sda: 196608 512-byte hdwr sectors (101 MB)
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea4060, time: 30000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea40b1, buffer = c0fffe00,
    bufflen = 4, done = c023bb90)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    scsi_delete_timer: scmd: c7ea4060, rtn: 1
    Command finished 1 0 0x0
    Notifying upper driver of completion for device 6 0
    sda: Write Protect is off
    sda: Mode Sense: 25 00 00 08
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea4060, time: 30000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea40b1, buffer = c0fffe00,
    bufflen = 4, done = c023bb90)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    scsi_delete_timer: scmd: c7ea4060, rtn: 1
    Command failed c7ea4060 2 busy=1 failed=0
    bh?: old sense key No Sense
    Non-extended sense class 0 code 0x0
    Waking error handler thread
    Error handler scsi_eh_0 waking up
    scsi_eh_prt_fail_stats: 0:0:6:0 cmds failed: 1, cancel: 0
    Total of 1 commands on 1 devices require eh work
    scsi_eh_0: requesting sense for id: 6
    scsi_add_timer: scmd: c7ea4060, time: 10000, (c0239f10)
    scsi_eh_done scmd: c7ea4060 result: 0
    scsi_send_eh_cmnd: scmd: c7ea4060, rtn:2002
    scsi_send_eh_cmnd: scsi_eh_completed_normally 2002
    sense requested for c7ea4060 result 2
    Current bh?: sense key Illegal Request
    Additional sense: Invalid field in cdb
    scsi_eh_0: flush finish cmd: c7ea4060
    Notifying upper driver of completion for device 6 8000002
    scsi_restart_operations: waking up host to restart
    Leaving scsi_init_cmd_from_req()
    scsi_add_timer: scmd: c7ea41a0, time: 10000, (c0239cc0)
    scsi_dispatch_cmnd (host = 0, channel = 0, target = 6, command =
    c7ea41f1, buffer = 00000000,
    bufflen = 0, done = c023b0f0)
    queuecommand : routine at c02417a0
    leaving scsi_dispatch_cmnd()
    Error handler scsi_eh_0 sleeping
    sda: cache data unavailable
    sda: assuming drive cache: write through
    sda:scsi_delete_timer: scmd: c7ea41a0, rtn: 1
    Command finished 1 0 0x0
    Notifying upper driver of completion for device 6 0



    Gert

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