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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-bugs] [Bug 1356] New: virtualized fibrechannell tape and media changer works only partially
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1356 Summary: virtualized fibrechannell tape and media changer works only partially Product: Xen Version: unstable Platform: Other OS/Version: Linux Status: NEW Severity: normal Priority: P2 Component: Hypervisor AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx ReportedBy: nice@xxxxxxxxxxxxxxx Hyptervisor: 64 bit dom0: 32 bit (PAE) openSUSE 10.3 with Xen-3.3.0 and linux-2.6.18 from xen.org dom0: 32 bit (PAE) openSUSE 10.3 with linux-2.6.18 from xen.org The tape and changer (the latter handled by the "st" driver and "mover" utiliy) seem to work in the dom0, but onyl partially(!) in domU: ############################################################# ############################################################# ##################### domU config: name="u-96" uuid="7b77d277-e99a-e25b-3652-61e936f78aaa" memory=512 vcpus=1 on_poweroff="destroy" on_reboot="restart" on_crash="destroy" on_xend_start = "ignore" on_xend_stop = "shutdown" localtime=0 keymap="en-us" builder="linux" kernel="/boot/vmlinux-2.6.18.8-xen_330" ramdisk="/boot/initrd-2.6.18.8-xen_330-domU" root="/dev/xvda2" extra="console=tty1" disk=[ 'phy:/dev/mapper/u-96,xvda,w','phy:/dev/mapper/u-96-home,xvdb,w' ] vif=[ 'mac=00:16:3e:0b:e9:49,bridge=eth0','mac=00:16:3e:0b:ea:49,bridge=vlan1' ] vscsi=[ '1:0:2:0, 0:0:0:0','1:0:2:1, 0:0:0:1','3:0:2:0, 0:0:1:0' ] vfb=['type=vnc,vncdisplay=10'] ############################################################# ############################################################# ##################### dom0 SCSI behaviour: u-96:~ # modprobe st u-96:~ # dmesg st: Version 20050830, fixed bufsize 32768, s/g segs 256 st 1:0:2:0: Attached scsi tape st0 st0: try direct i/o: yes (alignment 512 B) st 3:0:2:0: Attached scsi tape st1 st1: try direct i/o: yes (alignment 512 B) st0: Block limits 1 - 16777215 bytes. u-96:~ # modprobe ch debug=1 u-96:~ # dmesg SCSI Media Changer driver v0.25 ch0: command: <6>Mode Sense(6) 1a 20 1d 00 ff 00 ch0: result: 0x0 ch0: type #1 (mt): 0x0+1 [medium transport] ch0: type #2 (st): 0x3e9+48 [storage] ch0: type #3 (ie): 0x0+0 [import/export] ch0: type #4 (dt): 0x1+2 [data transfer] ch0: command: <6>Read element status b8 24 00 01 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: dt 0x1: ID/LUN unknown ch0: command: <6>Read element status b8 24 00 02 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: dt 0x2: ID/LUN unknown ch0: INITIALIZE ELEMENT STATUS, may take some time ... ch0: command: <6>Reasssign Blocks 07 20 00 00 00 00 ch0: result: 0x0 ch0: ... finished ch 1:0:2:1: Attached scsi changer ch0 carrier3:~ # mover /dev/sch0: mt=1 st=48 ie=0 dt=2 medium transport 0: storage 0: access 1: access 2: access full tag: '000003L4 ' 3: access full tag: '000004L4 ' 4: access full tag: '000005L4 ' 5: access full tag: '000021L4 ' 6: access full tag: '000007L4 ' 7: access full tag: '000008L4 ' 8: access 9: access full tag: '000026L4 ' 10: access full tag: '000011L4 ' 11: access full tag: '000012L4 ' 12: access full tag: '000013L4 ' 13: access full tag: '000014L4 ' 14: access full tag: '000015L4 ' 15: access full tag: '000016L4 ' 16: access full tag: '000017L4 ' 17: access full tag: '000018L4 ' 18: access full tag: '000019L4 ' 19: access full tag: '000006L4 ' 20: access 21: access full tag: '000022L4 ' 22: access full tag: '000023L4 ' 23: access full tag: '000024L4 ' 24: access full tag: '000010L4 ' 25: access 26: access full tag: '000027L4 ' 27: access full tag: '000028L4 ' 28: access full tag: '000029L4 ' 29: access full tag: '000030L4 ' 30: access full tag: '000031L4 ' 31: access full tag: '000032L4 ' 32: access full tag: '000033L4 ' 33: access full tag: '000034L4 ' 34: access full tag: '000035L4 ' 35: access full tag: '000036L4 ' 36: access full tag: '000037L4 ' 37: access full tag: '000038L4 ' 38: access full tag: '000039L4 ' 39: access 40: access 41: access 42: access 43: access full tag: '000040L4 ' 44: access full tag: '000025L4 ' 45: access full tag: '000020L4 ' 46: access full tag: '000009L4 ' 47: access full tag: '000002L4 ' import/export data transfer 0: access full tag: '000001L4 ' 1: access carrier3:~ # dmesg ch0: command: <6>Read element status b8 31 00 00 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 31 00 00 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 31 00 00 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 e9 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 e9 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ea 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ea 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 eb 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 eb 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ec 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ec 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ed 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ed 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ee 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ee 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ef 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ef 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f0 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f0 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f1 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f1 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f2 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f2 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f3 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f3 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f4 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f4 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f5 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f5 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f6 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f6 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f7 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f7 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f8 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f8 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f9 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f9 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fa 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fa 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fb 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fb 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fc 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fc 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fd 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fd 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fe 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fe 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ff 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ff 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 00 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 00 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 01 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 01 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 02 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 02 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 03 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 03 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 04 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 04 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 05 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 05 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 06 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 06 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 07 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 07 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 08 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 08 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 09 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 09 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0a 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0a 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0b 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0b 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0c 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0c 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0d 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0d 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0e 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0e 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0f 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0f 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 10 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 10 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 11 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 11 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 12 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 12 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 13 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 13 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 14 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 14 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 15 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 15 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 16 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 16 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 17 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 17 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 18 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 18 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 e9 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ea 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 eb 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ec 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ed 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ee 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ef 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f0 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f1 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f2 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f3 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f4 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f5 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f6 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f7 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f8 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 f9 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fa 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fb 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fc 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fd 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 fe 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 03 ff 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 00 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 01 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 02 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 03 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 04 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 05 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 06 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 07 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 08 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 09 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0a 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0b 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0c 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0d 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0e 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 0f 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 10 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 11 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 12 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 13 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 14 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 15 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 16 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 17 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 32 04 18 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 34 00 01 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 34 00 01 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 34 00 02 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 34 00 02 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 34 00 01 00 01 00 00 00 ff 00 00 ch0: result: 0x0 ch0: command: <6>Read element status b8 34 00 02 00 01 00 00 00 ff 00 00 ch0: result: 0x0 carrier3:~ # mt --file=/dev/nst0 status drive type = Generic SCSI-2 tape drive status = 1174405120 sense key error = 0 residue count = 0 file number = -1 block number = -1 Tape block size 0 bytes. Density code 0x46 (unknown). Soft error count since last status=0 General status bits on (1010000): ONLINE IM_REP_EN carrier3:~ # mt --file=/dev/nst0 rewind carrier3:~ # dd of=/dev/nst0 bs=262144 count=100 conv=sync if=/dev/zero 100+0 records in 100+0 records out 26214400 bytes (26 MB) copied, 2.73592 s, 9.6 MB/s ############################################################# ############################################################# ##################### domU SCSI behaviour: u-96:~ # modprobe st u-96:~ # dmesg st: Version 20050830, fixed bufsize 32768, s/g segs 256 st 0:0:1:0: Attached scsi tape st0 st0: try direct i/o: yes (alignment 512 B) st 0:0:0:0: Attached scsi tape st1 st1: try direct i/o: yes (alignment 512 B) st1: Block limits 1 - 16777215 bytes. u-96:~ # modprobe ch debug=1 u-96:~ # dmesg SCSI Media Changer driver v0.25 ch0: command: <6>Mode Sense(6) 1a 20 1d 00 ff 00 ch0: result: 0x0 ch0: type #1 (mt): 0x0+1 [medium transport] ch0: type #2 (st): 0x3e9+48 [storage] ch0: type #3 (ie): 0x0+0 [import/export] ch0: type #4 (dt): 0x1+2 [data transfer] ch0: command: <6>Read element status b8 24 00 01 00 01 00 00 00 ff 00 00 ch0: result: 0x8000002 ch0: Current: sense key: Illegal Request Additional sense: Invalid command operation code ch0: READ ELEMENT STATUS for element 0x1 failed ch0: dt 0x1: READ ELEMENT STATUS failed ch0: command: <6>Read element status b8 24 00 02 00 01 00 00 00 ff 00 00 ch0: result: 0x8000002 ch0: Current: sense key: Illegal Request Additional sense: Invalid command operation code ch0: READ ELEMENT STATUS for element 0x2 failed ch0: dt 0x2: READ ELEMENT STATUS failed ch0: INITIALIZE ELEMENT STATUS, may take some time ... ch0: command: <6>Reasssign Blocks 07 20 00 00 00 00 ch0: result: 0x8000002 ch0: Current: sense key: Illegal Request Additional sense: Invalid command operation code ch0: ... finished ch 0:0:0:1: Attached scsi changer ch0 u-96:~ # mover /dev/sch0: mt=1 st=48 ie=0 dt=2 medium transport ioctl failed (GSTATUS): Input/output error u-96:~ # dmesg ch0: command: <6>Read element status b8 31 00 00 00 01 00 00 00 ff 00 00 ch0: result: 0x8000002 ch0: Current: sense key: Illegal Request Additional sense: Invalid command operation code ch0: device has no volume tag support ch0: command: <6>Read element status b8 21 00 00 00 01 00 00 00 ff 00 00 ch0: result: 0x8000002 ch0: Current: sense key: Illegal Request Additional sense: Invalid command operation code ch0: READ ELEMENT STATUS for element 0x0 failed u-96:~ # mt --file=/dev/nst1 status drive type = Generic SCSI-2 tape drive status = 1174405120 sense key error = 0 residue count = 0 file number = 0 block number = 0 Tape block size 0 bytes. Density code 0x46 (unknown). Soft error count since last status=0 General status bits on (41010000): BOT ONLINE IM_REP_EN u-96:~ # mt --file=/dev/nst1 rewind u-96:~ # dd of=/dev/nst1 bs=262144 count=100 conv=sync if=/dev/zero dd: writing `/dev/nst1': Device or resource busy 1+0 records in 0+0 records out 0 bytes (0 B) copied, 2.62983 s, 0.0 kB/s u-96:~ # dd of=/dev/nst1 bs=512 count=100 conv=sync if=/dev/zero 100+0 records in 100+0 records out 51200 bytes (51 kB) copied, 1.56228 s, 32.8 kB/s -- Configure bugmail: http://bugzilla.xensource.com/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. _______________________________________________ Xen-bugs mailing list Xen-bugs@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-bugs
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