Bug 157418

Summary: usb/scsi problem with LG 5120D DVD burner
Product: [Fedora] Fedora Reporter: Garnet Ulrich <garnet.ulrich>
Component: kernelAssignee: Pete Zaitcev <zaitcev>
Status: CLOSED CANTFIX QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: 3CC: davej, pjones, wtogami
Target Milestone: ---   
Target Release: ---   
Hardware: i686   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2005-10-03 00:47:48 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Garnet Ulrich 2005-05-11 14:46:32 UTC
Description of problem:
I have an LG GSA-5120D external USB dvd burner attached to my FC3 system
(2.6.11-1.14_FC3).  I am unable to burn DVDs or CDs with this drive.  This
drive, cable and system work great with windows and RH9.  The drive and cable
work great with other systems as well.  The system and cable work fine with a
SONY DVD burner as well so the problem is specific to support for this burner.

Please note that I have bug 157311 open which is related _but_ is a different
problem.  157311 addresses the fact that when a DVD burn fails over usb, my
firewire attached drive gets knocked out until reboot.  I also have 156155 open
which is related but also a different issue.  156155 is similar to 157311 in
that when both the hard drive and LG 5120D burner are firewire connected, the
hard drive gets knocked out until reboot.

I do not believe this is a cdrecord problem because growisofs also has problems
writing DVDs.  cdrecord -scanbus sees the drive and cdrecord -checkdrive gets a
scsi sendcmd error shown below. cdrecord -blank=all fails with:

kernel: SCSI error : <0 0 0 0> return code = 0x70000
last message repeated 6 times
last message repeated 9 times
kernel: usb 1-3: reset high speed USB device using ehci_hcd and address 3
kernel: sr0: CDROM (ioctl) error, command: <6>Test Unit Ready 00 00 00 00 00 00
kernel: Unrecognized sense data (in hex):
kernel:         00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
kernel:         00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00


Version-Release number of selected component (if applicable):
2.6.11-1.14_FC3

How reproducible:
Always

Steps to Reproduce:
1. insert rewritable cd-rw
2. issue cdrecord -v -dev=0,0,0 -blank=all
3. watch cdrecord fail and sometimes segfault.
  
Actual results:
cdrecord fails with "cdrecord: Input/output error. read buffer: scsi sendcmd:
retryable error"

Expected results:
cdrecord works!

Additional info:
[root@garnetd600 ~]# cat /proc/scsi/scsi
Attached devices:
Host: scsi1 Channel: 00 Id: 00 Lun: 00
  Vendor: DMI      Model: SAMSUNG SV0602H  Rev: 4.38
  Type:   Direct-Access                    ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: HL-DT-ST Model: DVDRAM GSA-5120D Rev: A115
  Type:   CD-ROM                           ANSI SCSI revision: 02
[root@garnetd600 ~]# cdrecord -scanbus
Cdrecord-Clone 2.01-dvd (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg Schilling
Note: This version is an unofficial (modified) version with DVD support
Note: and therefore may have bugs that are not present in the original.
Note: Please send bug reports or support requests to
http://bugzilla.redhat.com/bugzilla
Note: The author of cdrecord should not be bothered with problems in this version.
Linux sg driver version: 3.5.27
Using libscg version 'schily-0.8'.
cdrecord: Warning: using inofficial libscg transport code version (schily - Red
Hat-scsi-linux-sg.c-1.83-RH '@(#)scsi-linux-sg.1.83 04/05/20 Copyright 1997 J.
Schilling').
scsibus0:
        0,0,0     0) 'HL-DT-ST' 'DVDRAM GSA-5120D' 'A115' Removable CD-ROM
        0,1,0     1) *
        0,2,0     2) *
        0,3,0     3) *
        0,4,0     4) *
        0,5,0     5) *
        0,6,0     6) *
        0,7,0     7) *
[root@garnetd600 ~]# cdrecord -v -dev=0,0,0 -blank=all
Cdrecord-Clone 2.01-dvd (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg Schilling
Note: This version is an unofficial (modified) version with DVD support
Note: and therefore may have bugs that are not present in the original.
Note: Please send bug reports or support requests to
http://bugzilla.redhat.com/bugzilla
Note: The author of cdrecord should not be bothered with problems in this version.
TOC Type: 1 = CD-ROM
scsidev: '0,0,0'
scsibus: 0 target: 0 lun: 0
Linux sg driver version: 3.5.27
Using libscg version 'schily-0.8'.
cdrecord: Warning: using inofficial libscg transport code version (schily - Red
Hat-scsi-linux-sg.c-1.83-RH '@(#)scsi-linux-sg.1.83 04/05/20 Copyright 1997 J.
Schilling').
SCSI buffer size: 64512
atapi: 1
Device type    : Removable CD-ROM
Version        : 0
Response Format: 2
Capabilities   :
Vendor_info    : 'HL-DT-ST'
Identifikation : 'DVDRAM GSA-5120D'
Revision       : 'A115'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Current: 0x000A
Profile: 0x0012
Profile: 0x0011
Profile: 0x0014
Profile: 0x0013
Profile: 0x001A
Profile: 0x001B
Profile: 0x002B
Profile: 0x0010
Profile: 0x0009
Profile: 0x000A (current)
Profile: 0x0008
Profile: 0x0002
Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
Driver flags   : MMC-3 SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 1053696 = 1029 KB
cdrecord: Input/output error. read buffer: scsi sendcmd: retryable error
CDB:  3C 00 00 00 00 00 00 FC 00 00
status: 0x0 (GOOD STATUS)
resid: 64512
cmd finished after 108.071s timeout 40s
Current Secsize: 0
resid: 4
resid: 2
resid: 4
resid: 2
  ATIP start of lead in:  -150 (00:00/00)
Disk type:    unknown dye (reserved id code)
Manuf. index: -1
Manufacturer: unknown (not in table)
cdrecord: Warning: controller returns zero sized CD write parameter page.
cdrecord: Warning: controller returns wrong size for CD write parameter page.
cdrecord: Warning: controller returns wrong page 0 for CD write parameter page (5).
cdrecord: Warning: controller returns zero sized CD write parameter page.
cdrecord: Warning: controller returns wrong size for CD write parameter page.
cdrecord: Warning: controller returns wrong page 0 for CD write parameter page (5).
cdrecord: Cannot init drive.

Comment 1 Garnet Ulrich 2005-05-26 11:21:00 UTC
With the help of Alan Stern, I found the source of this problem as well as a
workaround.  cdrecord 2.01 (FC3) uses the READ_BUFFER command which cdrecord
2.00.3 (RH9) does not.  Please see
http://sourceforge.net/mailarchive/forum.php?thread_id=7317229&forum_id=5395 for
a discussion of this problem.  The current generation of LG external DVD burners
has a problem with the READ_BUFFER command on transfers greater than 32768
bytes.  As per the thread, owners of other drives have similar problems.  By
feeding cdrecord the -ts=32768 parameter, the problem no longer occurs.  So in
short, LG burners have a bug/limitation that was only exposed with the newer
version of cdrecord.

growisofs does not have any problem with these drives, it only appeared to be so
because once cdrecord 2.01 has done a READ_BUFFER with > 32768 bytes, the drive
is messed up and growisofs doesn't work right either.  k3b seems to run cdrecord
on startup to check the attached drives so by the time it goes to run growisofs,
the drive is in a hosed state.  By telling k3b to use -ts=32768, k3b seems to
work fine.

LG has sold a _lot_ of these drives (especially in asia) and is a fairly
mainstream manufacturer.  Even though it is a fault/quirk due to the drive
itself, it would seem worthwhile if the distro modified /etc/cdrecord.conf on
installation when an LG external drive is detected.  BTW, I am running the
latest LG A115 firmware on this drive for anyone reading this later :-)


Comment 2 Dave Jones 2005-07-15 20:07:12 UTC
An update has been released for Fedora Core 3 (kernel-2.6.12-1.1372_FC3) which
may contain a fix for your problem.   Please update to this new kernel, and
report whether or not it fixes your problem.

If you have updated to Fedora Core 4 since this bug was opened, and the problem
still occurs with the latest updates for that release, please change the version
field of this bug to 'fc4'.

Thank you.

Comment 3 Dave Jones 2005-10-03 00:47:48 UTC
This bug has been automatically closed as part of a mass update.
It had been in NEEDINFO state since July 2005.
If this bug still exists in current errata kernels, please reopen this bug.

There are a large number of inactive bugs in the database, and this is the only
way to purge them.

Thank you.