Results 1 to 2 of 2

Thread: BUG:SLES 11.1 ppc64 LPAR: mount: no medium found on /dev/sr0

Hybrid View

  1. #1
    sbeaton NNTP User

    BUG:SLES 11.1 ppc64 LPAR: mount: no medium found on /dev/sr0


    We have SLES 11.1 installed on Power on an LPAR and using Virtual CD rom
    devices from the VIO. the problem of "mount: no medium found on
    /dev/sr0" just occured over time and reboots would not fix the problem.
    New Virtual CD devices would work for a time and then exhibit the same
    problem.

    I have found a workaround.. for some reason the system thinks the drive
    tray is ejected and "eject -t /dev/sr0" will fix the problem. I can not
    reproduce the problem using the eject command (just fix it).

    It would be nice to figure out what is causing this to happen (I am
    suspecting haldaemon, but I need time to test as this happens over a
    period of time .. not instantly)

    ---------------------------------------------------

    test005:~ # mount /dev/sr0 /mnt
    mount: /dev/sr0: unknown device

    test005:~ # mount -t iso9660 -o ro /dev/sr0 /mnt
    mount: no medium found on /dev/sr0
    test005:~ # mount -t iso9660 -o ro /dev/sr1 /mnt
    mount: no medium found on /dev/sr1

    test005:~ # mount -t auto -r /dev/sr1 /mnt
    mount: /dev/sr1: unknown device

    scsi 0:0:3:0: CD-ROM AIX VOPTA PQ: 0
    ANSI: 4
    sr0: scsi-1 drive
    sr 0:0:3:0: Attached scsi CD-ROM sr0
    sr 0:0:3:0: Attached scsi generic sg2 type 5
    scsi 0:0:4:0: CD-ROM AIX VOPTA PQ: 0
    ANSI: 4
    sr1: scsi-1 drive
    sr 0:0:4:0: Attached scsi CD-ROM sr1
    sr 0:0:4:0: Attached scsi generic sg3 type 5


    test005:~ # lsmod | grep -i cd
    ide_cd_mod 39056 0
    cdrom 50908 2 ide_cd_mod,sr_mod
    test005:~ # modinfo cdrom
    filename:
    /lib/modules/2.6.32.12-0.7-ppc64/kernel/drivers/cdrom/cdrom.ko
    license: GPL
    srcversion: 62C2EBD8A5E64C4EF2C0076
    depends:
    supported: yes
    vermagic: 2.6.32.12-0.7-ppc64 SMP mod_unload modversions
    parm: debug:bool
    parm: autoclose:bool
    parm: autoeject:bool
    parm: lockdoor:bool
    parm: check_media_type:bool
    parm: mrw_format_restart:bool


    test005:~ # cdinfo /dev/sr0
    CD Info 1.1 | (c) 1996-98 Gerd Knorr & Heiko Eifeldt
    cdinfo: /dev/sr0: No medium found
    test005:~ # cdinfo /dev/sr1
    CD Info 1.1 | (c) 1996-98 Gerd Knorr & Heiko Eifeldt
    cdinfo: /dev/sr1: No medium found


    **********************************************
    **********************************************
    THE FIX
    **********************************************
    **********************************************

    test005:~ # eject -t /dev/sr0
    test005:~ # cdinfo /dev/sr0
    CD Info 1.1 | (c) 1996-98 Gerd Knorr & Heiko Eifeldt
    __________________________________
    track list (1 - 1)
    nr: msf lba ctrl adr type
    1: 00:02:00 (000000) 0x4 0x1 data
    170: 00:02:00 (000000) 0x4 0x1 data (leadout)
    __________________________________
    what ioctl's report
    get mcn : FAILED
    disc status : data mode 1
    multisession: 0
    audio status: FAILED
    __________________________________
    try to find out what sort of CD this is
    CD-ROM with iso9660 fs
    iso9660: 1543 MB size, label `CDROM '

    test005:~ # mount /dev/sr0 /mnt
    mount: block device /dev/sr0 is write-protected, mounting read-only

    VIO client partition devices

    SVSA Physloc Client
    Partition ID
    --------------- --------------------------------------------
    ------------------
    vhost2 U9133.55A.99999H-V1-C9 0x00000007

    VTD test005rvg1
    Status Available
    LUN 0x8100000000000000
    Backing device hdiskpower12
    Physloc U787B.001.999999-P1-C4-T2-L32

    VTD test005rvg2
    Status Available
    LUN 0x8200000000000000
    Backing device hdiskpower13
    Physloc U787B.001.999999-P1-C4-T2-L33

    VTD vtopt0
    Status Available
    LUN 0x8300000000000000
    Backing device
    /var/vio/VMLibrary/IBM_Installation_Toolkit_51.iso
    Physloc

    VTD vtopt2
    Status Available
    LUN 0x8400000000000000
    Backing device
    /var/vio/VMLibrary/IBM_Installation_Toolkit_51.iso
    Physloc


    --
    sbeaton
    ------------------------------------------------------------------------
    sbeaton's Profile: http://forums.novell.com/member.php?userid=122604
    View this thread: http://forums.novell.com/showthread.php?t=450705


  2. #2
    Automatic Reply NNTP User

    Re: BUG:SLES 11.1 ppc64 LPAR: mount: no medium found on /dev/sr0

    sbeaton,

    It appears that in the past few days you have not received a response to your
    posting. That concerns us, and has triggered this automated reply.

    Has your problem been resolved? If not, you might try one of the following options:

    - Visit http://support.novell.com and search the knowledgebase and/or check all
    the other self support options and support programs available.
    - You could also try posting your message again. Make sure it is posted in the
    correct newsgroup. (http://forums.novell.com)

    Be sure to read the forum FAQ about what to expect in the way of responses:
    http://forums.novell.com/faq.php

    If this is a reply to a duplicate posting, please ignore and accept our apologies
    and rest assured we will issue a stern reprimand to our posting bot.

    Good luck!

    Your Novell Product Support Forums Team
    http://forums.novell.com/


Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •