[Bug 521] New: cdrecord fails to see drive caps consistently when using ide-cd

Martin J. Bligh (mbligh@aracnet.com)
Sun, 30 Mar 2003 11:00:28 -0800


http://bugme.osdl.org/show_bug.cgi?id=521

Summary: cdrecord fails to see drive caps consistently when using
ide-cd
Kernel Version: 2.4.66-mm1
Status: NEW
Severity: normal
Owner: alan@lxorguk.ukuu.org.uk
Submitter: jeremy@goop.org

Distribution: Redhat-8.0 + some Rawhide additions
Hardware Environment: 1.8GHz P4, 1Gbyte ram, Plextor PX-W4824A CD-R
Software Environment: cdrecord 2.0 (Redhat Rawhide)
Problem Description:

When using "cdrecord dev=/dev/hdc -checkdrive" cdrecord fails to consistently
read the drive capabilities properly. When it works, it should display:
Device type : Removable CD-ROM
Version : 2
Response Format: 2
Capabilities :
Vendor_info : 'PLEXTOR '
Identifikation : 'CD-R PX-W4824A'
Revision : '1.04'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
Driver flags : MMC-3 SWABAUDIO BURNFREE VARIREC
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R

When it fails, it displays:
Device type : Removable CD-ROM
Version : 0
Response Format: 1
Vendor_info : 'PLEXTOR '
Identifikation : 'CD-R PX-W4824A'
Revision : '1.04'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
Driver flags : MMC-3 SWABAUDIO BURNFREE VARIREC
Supported modes:

Notice that "version" and "response format" have changed.

Steps to reproduce:
cdrecord dev=/dev/hdc -checkdrive

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