Re: Some questions on use of CD-ROMs

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Hi Dario, you can't eject the CD-ROM drive, unless you unmount it first (e.g., 'umount -v /dev/cdrom') and you can't unmount it while any number of users are still accessing it.

Regards,

Dario Lesca wrote:
Hi, some question:

1) How to read from command line the label of cd-rom (IDE/SCSI)
   inserted into device?

2) How to eject the cd-rom simply press the eject button of device when:
    o the cd-rom is mounted.
    o the cd-rom is mounted and the users use the files on it.

3) I have 7 cdrom SCSI connecto to channel 2 of a SCSI adapter on a system
   whit kernel 2.4.18-27.8.0 and when I mount and use the cd-rom I
   get in /var/log/message the attached error: what means?

Thanks for your reply...

-------
Dario Lesca (d.lesca@xxxxxxxxxxxxx)


---------------[attach]------------------- Jun 5 12:37:36 server kernel: scsi1:0:4:0: Attempting to queue an ABORT message Jun 5 12:37:36 server kernel: scsi1: Dumping Card State while idle, at SEQADDR 0x8 Jun 5 12:37:36 server kernel: ACCUM = 0x4, SINDEX = 0x47, DINDEX = 0x25, ARG_2 = 0x0 Jun 5 12:37:36 server kernel: HCNT = 0x0 SCBPTR = 0x0 Jun 5 12:37:36 server kernel: SCSISEQ = 0x12, SBLKCTL = 0x6 Jun 5 12:37:36 server kernel: DFCNTRL = 0x0, DFSTATUS = 0x89 Jun 5 12:37:36 server kernel: LASTPHASE = 0x1, SCSISIGI = 0x0, SXFRCTL0 = 0x80 Jun 5 12:37:36 server kernel: SSTAT0 = 0x0, SSTAT1 = 0x8 Jun 5 12:37:36 server kernel: SCSIPHASE = 0x0 Jun 5 12:37:36 server kernel: STACK == 0xe7, 0x160, 0x175, 0x3 Jun 5 12:37:36 server kernel: SCB count = 4 Jun 5 12:37:36 server kernel: Kernel NEXTQSCB = 3 Jun 5 12:37:36 server kernel: Card NEXTQSCB = 3 Jun 5 12:37:36 server kernel: QINFIFO entries: Jun 5 12:37:36 server kernel: Waiting Queue entries: Jun 5 12:37:36 server kernel: Disconnected Queue entries: 0:2 Jun 5 12:37:36 server kernel: QOUTFIFO entries: Jun 5 12:37:36 server kernel: Sequencer Free SCB List: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Jun 5 12:37:36 server kernel: Sequencer SCB Info: 0(c 0x44, s 0x47, l 0, t 0x2) 1(c 0x0, s 0xff, l 255, t 0xff) 2(c 0x0, s 0xff, l 255, t 0xff) 3(c 0x0, s 0xff , l 255, t 0xff) 4(c 0x0, s 0xff, l 255, t 0xff) 5(c 0x0, s 0xff, l 255, t 0xff) 6(c 0x0, s 0xff, l 255, t 0xff) 7(c 0x0, s 0xff, l 255, t 0xff) 8(c 0x0, s 0xff , l 255, t 0xff) 9(c 0x0, s 0xff, l 255, t 0xff) 10(c 0x0, s 0xff, l 255, t 0xff ) 11(c 0x0, s 0xff, l 255, t 0xff) 12(c 0x0, s 0xff, l 255, t 0xff) 13(c 0x0, s 0xff, l 255, t 0xff) 14(c 0x0, s 0xff, l 255, t 0xff) 15(c 0x0, s 0xff, l 255, t 0xff) 16(c 0x0, s 0xff, l 255, t 0xff) 17(c 0x0, s 0xff, l 255, t 0xff) 18(c 0x 0, s 0xff, l 255, t 0xff) 19(c 0x0, s 0xff, l 255, t 0xff) 20(c 0x0, s 0xff, l 2 55, t 0xff) 21(c 0x0, s 0xff, l 255, t 0xff) 22(c 0x0, s 0xff, l 255, t 0xff) 23 (c 0x0, s 0xff, l 255, t 0xff) 24(c 0x0, s 0xff, l 255, t 0xff) 25(c 0x0, s 0xff , l 255, t 0xff) 26(c 0x0, s 0xff, l 255, t 0xff) 27(c 0x0, s 0xff, l 255, t 0xf f) 28(c 0x0, s 0xff, l 255, t 0xff) 29(c 0x0, s 0xff, l 255, t 0xf Jun 5 12:37:37 server kernel: ) 30(c 0x0, s 0xff, l 255, t 0xff) 31(c 0x0, s 0x ff, l 255, t 0xff) Jun 5 12:37:37 server kernel: Pending list: 2(c 0x40, s 0x47, l 0) Jun 5 12:37:37 server kernel: Kernel Free SCB list: 1 0 Jun 5 12:37:37 server kernel: Untagged Q(4): 2 Jun 5 12:37:37 server kernel: DevQ(0:0:0): 0 waiting Jun 5 12:37:37 server kernel: DevQ(0:1:0): 0 waiting Jun 5 12:37:37 server kernel: DevQ(0:2:0): 0 waiting Jun 5 12:37:37 server kernel: DevQ(0:3:0): 0 waiting Jun 5 12:37:37 server kernel: DevQ(0:4:0): 0 waiting Jun 5 12:37:37 server kernel: DevQ(0:5:0): 0 waiting Jun 5 12:37:37 server kernel: DevQ(0:6:0): 0 waiting Jun 5 12:37:37 server kernel: (scsi1:A:4:0): Queuing a recovery SCB Jun 5 12:37:37 server kernel: scsi1:0:4:0: Device is disconnected, re-queuing S CB Jun 5 12:37:37 server login(pam_unix)[1954]: session closed for user sispac Jun 5 12:37:37 server kernel: (scsi1:A:4:0): Abort Message Sent Jun 5 12:37:37 server kernel: Recovery code sleeping Jun 5 12:37:37 server kernel: (scsi1:A:4:0): SCB 2 - Abort Completed. Jun 5 12:37:37 server kernel: Recovery SCB completes Jun 5 12:37:37 server kernel: Recovery code awake Jun 5 12:37:37 server kernel: aic7xxx_abort returns 0x2002



-- Panos Platon Tsapralis, Software Engineer, SAP-R/3 specialist, ABAP/4 developer, registered Linux user #305894, Mozilla (Rel.1.3) on RedHat Linux (Rel.8.0), Athens, GREECE, cell-phone No. +306946462857, panosplaton@xxxxx, panosplaton@xxxxxxxxxxx



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