[MPlayer-users] DVD playback: ILLEGAL REQUEST and couldnotopendevice

[Dominik 'Rathann' Mierzejewski]

On Thursday, 05 August 2004 at 11:58, Russell Packer wrote:
> > -----Original Message-----
> > From: mplayer-users-bounces at mplayerhq.hu [mailto:mplayer-users-
> > bounces at mplayerhq.hu] On Behalf Of Dominik 'Rathann' Mierzejewski
> > Sent: 05 August 2004 10:38
> > To: MPlayer usage questions, features, bugreports
> > Subject: Re: [MPlayer-users] DVD playback: ILLEGAL REQUEST and
> > couldnotopendevice
> > 
> > On Thursday, 05 August 2004 at 10:54, Russell Packer wrote:
> > > > On Wednesday, 04 August 2004 at 13:32, Russell Packer wrote:
> > [...]
> > > > > > > The error messages I get:
> > > > > > > 
> > > > > > > Playing dvd://1.
> > > > > > > libdvdread: Could not open device with libdvdcss.
> > > > > > > libdvdread: Can't open /dev/dvd for reading
> > > > > > > Couldn't open DVD device: /dev/dvd
> > > > > > > 
> > > > > > > And in the syslog I get:
> > > > > > > 
> > > > > > > kernel: sr0: CDROM (ioctl) reports ILLEGAL REQUEST.
> > > > > > > 
> > > > > I am using the 2.4.26 kernel, and mplayer 1.0pre5.
> > > > 
> > > > What modules do you have loaded (or compiled into kernel?)
> > > > $ lsmod
> > > > Module                  Size  Used by    Tainted: P
> > > > sr_mod                 14000   0 (autoclean)
> > > > cdrom                  31200   0 (autoclean) [sr_mod]
> > > > sg                     28764   0 (autoclean)
> > > > ide-scsi               10640   0
> > > > scsi_mod               96856   3 (autoclean) [sr_mod sg ide-scsi]
> > > > 
> > > > Are there any suspicious messages from the kernel in logs?
> > > 
> > > For me, I have:
> > > 
> > > dvduser: lsmod
> > > Module                  Size  Used by    Not tainted
> > [...]
> > > ide-scsi                9328   0
> > > agpgart                43940   0  (unused)
> > > 
> > > The only message from the kernel is the ILLEGAL REQUEST one in my
> > > syslog.
> > 
> > I don't see any scsi modules. Do you have them compiled into your
> > kernel?
> > Are there any messages from modprobe about being unable to locate some
> > module like block-major-something?
> 
> I have:
> 
> CONFIG_BLK_DEV_IDESCSI=m
> CONFIG_SCSI=y
> CONFIG_BLK_DEV_SD=y
> CONFIG_SD_EXTRA_DEVS=40
> CONFIG_CHR_DEV_ST=m
> CONFIG_CHR_DEV_OSST=m
> CONFIG_BLK_DEV_SR=y
> # CONFIG_BLK_DEV_SR_VENDOR is not set
> CONFIG_SR_EXTRA_DEVS=2
> CONFIG_CHR_DEV_SG=y
> CONFIG_SCSI_DEBUG_QUEUES=y

I have
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_CONSTANTS=y
here, too, but I don't think it matters. Everything above is more or less
the same.

[cut the rest]
I have all the others unset.

> The only other thing in the logs was:
> 
> Aug  3 12:49:13 dvdburner modprobe: modprobe: Can't locate module
> sound-slot-1
[...] 
> But, these went away when I selected OSS instead of ALSA.

Yes, this is unrelated to our problem.

> I just did a grep for "block-major" and came back with:
> 
> Aug  4 14:59:15 dvdburner modprobe: modprobe: Can't locate module
> block-major-8
> Aug  4 14:59:54 dvdburner modprobe: modprobe: Can't locate module
> block-major-8
> Aug  4 15:00:04 dvdburner modprobe: modprobe: Can't locate module
> block-major-8
> 
> But then that was yesterday when I was trying every device I could think
> of in every possible way to see if it made any difference. Eg. hdc, sda,
> sda1, sdc, sdc1, sr0, etc...

>From linux/Documentation/devices.txt:
  8 block       SCSI disk devices (0-15)
                  0 = /dev/sda          First SCSI disk whole disk
                 16 = /dev/sdb          Second SCSI disk whole disk
                 32 = /dev/sdc          Third SCSI disk whole disk
                    ...
                240 = /dev/sdp          Sixteenth SCSI disk whole disk

sdX is for SCSI disks only. Seems irrelevant.

Oh, one more thought: did you enable large file support in MPlayer?

I'm almost out of ideas. :(

R.

-- 
MPlayer RPMs maintainer: http://greysector.rangers.eu.org/mplayer/
"I am Grey. I stand between the candle and the star. We are Grey.
 We stand between the darkness ... and the light."
        -- Delenn in Grey Council in Babylon 5:"Babylon Squared"