We are closing this bug report because it lacks the information we need
to investigate the problem, as described in the previous comments.
Please reopen it if you can give us the missing information, and don't
hesitate to submit bug reports in the future. To reopen the bug report
you can click on
The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the
upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would
appreciate it if you could please test this newer 2.6.27 Ubuntu kernel.
There are one of two ways you should be able to test:
1) If you are comfortable
I have this problem with Gutsy. irqpool didn't help here. kernel image pakage
is of version 2.6.22-14.46.
Similar problem was with original Feisy's kernel, but then upgrade to
2.6.20-16.28 helped. Then there was another one kernel update in Feisty wich
had this problem again, so i was using
Fedora 7 has solved this problem for my hardware.
Its latest kernel, 2.6.21-1.3228.fc7, no longer needs 'irqpoll' (here,
anyway) to get around the long boot-up delay and the lack of access to
some ide resources.
This is a little bit ahead of the 2.6.22 'upstream' kernel patch rumored
to address
Again here qc timeout and that stuff after update to 2.6.20-16.28.
irqpoll needed again... :-(
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Feisty Beta does not recognise CD burner
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Yes, I'm now using 2.6.20-16-generic and I also need irqpoll again.
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Everything seems to work now as it should with kernel 2.6.20-16. Boot
time is normal now with and without irqpoll.
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irqpoll still needed here.
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K3b works OK now with 2.6.20-16, without irqpoll.
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Reading up on kernel options,
I found the following notes on irqpoll in:
usr/share/doc/kernel-doc-2.6.21/Documentation/kernel-parameters.txt
irqpoll (detail deleted)
Intended to get systems with badly broken
firmware running.
Maybe, as Pogo said:
'We have found the enemy,
quote
Maybe, as Pogo said:
'We have found the enemy, and we are it.'
/quote
Hardly. Feisty recognised the firmware in our CD burners up to and
including 2.6.20-11, but then something in the kernel changed so that it
no longer did.
However, it does look as if irqpoll is able to paper
For me the same, 'irqpoll' is a good workaround, but I'd rather see the
real problem solved. I had the 3-minutes boot delay since kernel
2.6.20-12.
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I had the same problem with my Sony drive and 'irqpoll' works for me.
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The irqpoll boot option doesn't work for me. I tried that and I tried
disabling my cdrom in the bios but neither has any effect. I've attached
my dmesg output.
** Attachment added: dmesg output
http://librarian.launchpad.net/7401790/dmesg.txt
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Feisty Beta does not recognise CD burner
The irqpoll addition to the kernel line works for me.
There is another work-around which is easy to try
mentioned in Bug 105437.
Ubuntu folks should co-ordinate this Bug 96826 with Bug 103410.
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You received this
There is now a work-round that cures this fault.
Add the word 'irqpoll' (without quotes) to the kernel line in
/boot/grub/menu.lst thus:
kernel /boot/vmlinuz-2.6.20-15-generic
root=UUID=48c5a348-eb39-4171-8531-671a49fdb75b ro quiet splash irqpoll
Then Feisty will boot faster, and the Liteon CD
I just saw that while looking for a solution to another problem. Damn,
it's nice to have the old boot speed back. Getting my CD drive back is
gravy. What a great way to start a new week!
Thanks, devs!
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You
I did an online update from Edgy and Feisty doesn't even see my CD
drive. There's nothing I can find in my /dev folder that looks remotely
like an optical drive. My sources.lst doesn't show it either, but that
may be due to the fact that I didn't update from a disc.
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Feisty Beta does not
Kubuntu (Feisty) 7.04 release version (kernel 2.6.20.15-generic) has the
same intermittent fault. CD burner is not recognised by kinfocenter,
systemsettings or k3b.
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My Feisty 2.6.20.14 also still does not recognise the CD burner.
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** Attachment added: Output of latest dmesg (fault still present)
http://librarian.launchpad.net/7029491/dmesg.txt
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Brian,
Output of dmesg attached as requested.
Robin T Cox
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Thanks for taking the time to report this bug and helping to make Ubuntu
better. Could you please add the full output of 'dmesg' as an
attachment to your bug report? Thanks in advance.
** Changed in: Ubuntu
Assignee: (unassigned) = Brian Murray
Status: Unconfirmed = Needs Info
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I just tried the new 2.6.20-14-generic kernel and still no CD-RW burner.
This just started with the Beta release. The burner worked fine with
the Herd releases and Edgy. Funny thing is that this is the drive I use
to install Feisty!?
** Attachment added: dmesg
Folks,
I did an update minutes ago and noticed that there were some kernel
changes going from 2.6.20.14.11 to 2.6.20.14.12. Sorry I don't know how
to get the log of these changes, however, my CD-RW is now working!
Thanks.
** Attachment added: dmesg
Folks,
Oops, please disregard the last post. The reason the CD-RW works now is
because I booted with a blank CD-R in the drive. I burned a disk just
fine. So it seem that If I leave a CD-R disk in the drive, the Kernel
discovers the burner.
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Feisty Beta does not recognise CD burner
Following today's updates, the K3b fault is now intermittent on my
system.
I thought it would be helpful to attach a copy of my dmesg after a) a
boot following which K3b recognised my CD burner, and b) a boot
following which it did not.
** Attachment added: dmesg for boot following which K3b
** Attachment added: dmesg for boot following which K3b did not recognise CD
burner
http://librarian.launchpad.net/7094375/dmesg_not_OK
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With Feisty alternate CD install 3/27/07, 2.6.20-13-generic #2 SMP, my Cendyne
(Lite-on?) 40125s CD-RW (40x12x48x) is not recognized and causes a delay in
startup of approximately 3 minutes. dmesg is the same as others:
...
[ 23.970397] ata2.00: ATAPI, max UDMA/44
[ 24.134131] ata2.01:
** Attachment added: /boot/grub/menu.lst
http://librarian.launchpad.net/7040486/menu.lst
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** Attachment added: dmesg for 2.6.20-11
http://librarian.launchpad.net/7040513/dmesg_2.6.20-11.txt
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** Attachment added: /etc/fstab
http://librarian.launchpad.net/7040496/fstab
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Prior to the issue of Feisty Beta I had had 2.6.20-11 installed on my
system (on hdc1) as part of the earlier Feisty package. Then 2.6.20-12
was added as an upgrade, but I found that that kernel first gave me this
problem.
When Feisty Beta was issued, I installed it on hdc1, overwriting my
** Attachment added: dmesg for 2.6.20-12
http://librarian.launchpad.net/7040524/dmesg_2.6.20-12.txt
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** Attachment added: dmesg for 2.6.20-13
http://librarian.launchpad.net/7040527/dmesg_2.6.20-13.txt
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Please also see discussion in Ubuntu Forums thread:
http://www.ubuntuforums.org/showthread.php?t=393614
I have just re-installed kernel 2.6.20-11, and verified that my K3b
recognises the CD drive properly with it. So it seems that some change
in kernels 2.6.12 and 13 is preventing this.
--
When you say reinstalled the old kernel do you mean that actually
installed the older kernel or chose that kernel in grub? Could add the
'dmesg' output when running the older kernel? Thanks again.
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Correction: problem is not rectified.
Unfortunately, having recognised my CD burner once, Feisty has now
returned to her bad old ways post-2.6.20-12 and does not recognise it
again.
My fstab is:
# /etc/fstab: static file system information.
#
# file system mount point type options dump
This problem is now rectified. This morning's updates have cured the
problem, and my system now recognises the CD burner.
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