Optical drive not recognized by some Linux 2.6.20 kernels

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03-25-2007, 04:37 AM #1
epkphoto Junior Member Join: Jan 2007 Posts: 19	Optical drive not recognized by some Linux 2.6.20 kernels This is a continuation of the thread I started here: http://forums.parallels.com/thread8763.html The problem is essentially that if I boot a Linux virtual machine in Parallels (build 3188) running the newer flavors of kernel version 2.6.20, the virtualized optical drive does not work. I wanted to blame this on Parallels, but the fact is that the optical drive works just fine with early versions of the 2.6.20 kernel and 2.6.19 and lower. So, it must have been a kernel change that caused the problem. I am specifically having the issue in Ubuntu Feisty Herd 5, Ubuntu Feisty Beta, and Fedora 7 test 2 and test 1. I filed a bug report with Ubuntu here: https://launchpad.net/ubuntu/+source....20/+bug/95830 I am hoping it gets looked at since the issue will likely affect other Parallels users who run Linux VMs. Speak up if anyone else has this problem or if you have an Intel Mac to test the problem with.

03-25-2007, 04:37 AM

epkphoto
Junior Member

Join: Jan 2007
Posts: 19

Optical drive not recognized by some Linux 2.6.20 kernels

This is a continuation of the thread I started here: http://forums.parallels.com/thread8763.html

The problem is essentially that if I boot a Linux virtual machine in Parallels (build 3188) running the newer flavors of kernel version 2.6.20, the virtualized optical drive does not work. I wanted to blame this on Parallels, but the fact is that the optical drive works just fine with early versions of the 2.6.20 kernel and 2.6.19 and lower. So, it must have been a kernel change that caused the problem.

I am specifically having the issue in Ubuntu Feisty Herd 5, Ubuntu Feisty Beta, and Fedora 7 test 2 and test 1.

I filed a bug report with Ubuntu here: https://launchpad.net/ubuntu/+source....20/+bug/95830

I am hoping it gets looked at since the issue will likely affect other Parallels users who run Linux VMs.

Speak up if anyone else has this problem or if you have an Intel Mac to test the problem with.

03-25-2007, 05:17 AM #2
epkphoto Junior Member Join: Jan 2007 Posts: 19	I just added a bug report for the Fedora side of things in RedHat's bugzilla. Check it out at: https://bugzilla.redhat.com/bugzilla....cgi?id=233814 I guess now it is time to wait and see if anyone notices. I think I'm going to shoot a quick email to the Parallels team with those bug report links as well.

03-29-2007, 06:24 PM #3
epkphoto Junior Member Join: Jan 2007 Posts: 19	Hehe...looks like I wasn't making this up... See these other threads: http://forums.parallels.com/thread10333.html http://forums.parallels.com/thread10297.html Also, there have been updates in both the Fedora and especially the Ubuntu bug reports. Check them out for more info: Fedora: https://bugzilla.redhat.com/bugzilla....cgi?id=233814 Ubuntu: https://launchpad.net/bugs/95830

04-04-2007, 04:27 AM #4
schmidp Member Join: Apr 2006 Posts: 49	I have the same problem, please fix this! I'm a parallels user since day one (no joke) and I've also pre ordered it during the first beta period. It's a pitty that I now have to install vmware fusion because I need Ubuntu 7 today (University Project). lg philipp

04-04-2007, 09:25 AM #5
mmika Member Join: Jan 2007 Posts: 91	There is an error into Parallels CDROM emulation ( but may be not error at all) . For those who familar with linux kernel - inquiry command for CDROM comes with zero into Cylinder IDE register. Parallels doesn't like zero value there. It will be fixed into future. I don't know will update comes or release including this fix. So. there is a work around to avoid this checking, simply set VM type as SOLARIS, in this case CDROM will work. But... of couse Ubuntu may work unstable or even fails. Because incorrect OS type is set. Anyway I succesfully booted Ubuntu 7.04 This also true for Fedora Core 7 (As I've seen error log here https://bugs.launchpad.net/ubuntu/+s....20/+bug/95830) I've checked it more , all commands come with zero into Cylinder IDE register, so It will be fixed surely.

04-04-2007, 09:25 AM

mmika
Member

Join: Jan 2007
Posts: 91

There is an error into Parallels CDROM emulation ( but may be not error at all) .
For those who familar with linux kernel - inquiry command for CDROM comes with zero into Cylinder IDE register. Parallels doesn't like zero value there.
It will be fixed into future. I don't know will update comes or release including this fix.

So. there is a work around to avoid this checking, simply set VM type as SOLARIS, in this case CDROM will work. But... of couse Ubuntu may work unstable or even fails. Because incorrect OS type is set. Anyway I succesfully booted Ubuntu 7.04

This also true for Fedora Core 7 (As I've seen error log here https://bugs.launchpad.net/ubuntu/+s....20/+bug/95830)

I've checked it more , all commands come with zero into Cylinder IDE register, so It will be fixed surely.

04-08-2007, 06:42 AM #6
bozwayed Junior Member Join: Apr 2007 Posts: 1	Installing Ubuntu 7.04 on Parallels success here is what I did as suggested by the user mmika before me, select solaris as your machine and then boot and install. when you are done just click on the configuration of the virtual machine and change it back to linux. boot at you will see it will take a bit and then give you a login screen. hope this helps good luck

04-20-2007, 07:12 PM #7
oneway23 Junior Member Join: Jan 2007 Posts: 11	Not to look a gift horse in the mouth, but is there a logical explaination as to why this Solaris "trick" seems to work? Just curious

04-21-2007, 01:22 AM #8
Paul Annesley Junior Member Join: Apr 2007 Posts: 11	I'm guessing Parallels has slightly different CD-ROM emulation to suit different OS types. Though I would have thought just a standard emulation would work across all of them... I'm mainly posting to say that switching to Solaris (Other Solaris) gets me past the CD-ROM detection error. I first tried changing to Linux (Other) rather than Linux (2.6 Kernel), but that didn't help. Thanks mmika. Cheers, Paul

04-21-2007, 01:22 AM

Paul Annesley
Junior Member

Join: Apr 2007
Posts: 11

I'm guessing Parallels has slightly different CD-ROM emulation to suit different OS types. Though I would have thought just a standard emulation would work across all of them...

I'm mainly posting to say that switching to Solaris (Other Solaris) gets me past the CD-ROM detection error. I first tried changing to Linux (Other) rather than Linux (2.6 Kernel), but that didn't help.

Thanks mmika.

Cheers,
Paul

04-21-2007, 09:53 AM #9
oneway23 Junior Member Join: Jan 2007 Posts: 11	Thanks mmika and Paul. I can certainly feel confident in giving feisty fawn a go now.

04-21-2007, 09:13 PM #10
oneway23 Junior Member Join: Jan 2007 Posts: 11	I attempted to install Feisty Fawn this evening on four separate occasions, to no avail. As per the instructions above, I created a VM based upon both a Solaris 10 and a Solaris other installation using Parallels build 3188. Initially, I elected to create a custom install using 1 GB of RAM and a 6 GB partition. After booting from the live CD, I got the "Unable to locate RSDP" message that so many others have reported. Nevertheless, the install proceeded without a hitch and I was able to specify all my settings. Upon reboot, I once again got the "ACPI: Unable to locate..." message (although it did eventually boot to the desktop). While on the desktop, I noticed the network error indicator in the top right corner of the screen, as well as a volume icon that appeared to show muted volume. When I clicked on the volume, I received a message that no sound card was configured. Once it was enabled via Parallels, I had no problem. Moving on to the networking issue, I confirmed that my ethernet connection was enabled via shared networking through Parallels. Unfortunately, I was still unable to gain internet access. Not quite sure what I'm doing wrong, but I attempted a Typical install as well and ran into the same issues. Perhaps when re-configuring the VM after install, I did not switch the VM to Linux Kernal 2.6 at the proper time? Does this have to be done before Ubuntu requests a re-boot after the initial install? Apologies for the long-winded post. Any help greatly appreciated. Joe

04-21-2007, 09:13 PM

#10

oneway23
Junior Member

Join: Jan 2007
Posts: 11

I attempted to install Feisty Fawn this evening on four separate occasions, to no avail. As per the instructions above, I created a VM based upon both a Solaris 10 and a Solaris other installation using Parallels build 3188. Initially, I elected to create a custom install using 1 GB of RAM and a 6 GB partition. After booting from the live CD, I got the "Unable to locate RSDP" message that so many others have reported. Nevertheless, the install proceeded without a hitch and I was able to specify all my settings.

Upon reboot, I once again got the "ACPI: Unable to locate..." message (although it did eventually boot to the desktop). While on the desktop, I noticed the network error indicator in the top right corner of the screen, as well as a volume icon that appeared to show muted volume. When I clicked on the volume, I received a message that no sound card was configured. Once it was enabled via Parallels, I had no problem. Moving on to the networking issue, I confirmed that my ethernet connection was enabled via shared networking through Parallels. Unfortunately, I was still unable to gain internet access. Not quite sure what I'm doing wrong, but I attempted a Typical install as well and ran into the same issues. Perhaps when re-configuring the VM after install, I did not switch the VM to Linux Kernal 2.6 at the proper time? Does this have to be done before Ubuntu requests a re-boot after the initial install? Apologies for the long-winded post. Any help greatly appreciated.

Joe

04-24-2007, 01:44 PM

#11

tjkrz
Junior Member

Join: Apr 2007
Posts: 1

Quote:

Originally Posted by oneway23

I got it to work. After the install is complete, don't reboot. Select "continue using Live" (or whatever it says) and then manually shutdown Ubuntu. After it's done, stop the VM, and then change the settings to Linux 2.6 and start the VM. Hopefully that works for you.

04-24-2007, 11:13 PM #12
PMinAU Junior Member Join: Oct 2006 Posts: 15	I failed to be able to install the cd at all. Errors as reported by others. So, I tried the dvd versions first in VMWare Fusion, of kubuntu and then of ubuntu. [I get free downloads from the mirror on my ISP server, so a 4gb d/l is ok :)] Both worked without a hitch. Then I tried the ubuntu DVD in Parallels. In a straight-out attempt, it failed. So I tried as Solaris, other solaris. This worked, in the sense that when it starts up it still reports that "Unable to locate RSDP" message, but if you ignore that it happily keeps booting [you may sometimes need to reboot]. Changed the name back to Ubuntu and I'm OK. __________________ iMac 2.1GHz, 2GB RAM, OS X 10.4.8, Parallels Workstation for Mac with: Win XP and Kubuntu 6.06, Mandriva 2007 Free and SUSE 10

04-24-2007, 11:13 PM

#12

PMinAU
Junior Member

Join: Oct 2006
Posts: 15

I failed to be able to install the cd at all. Errors as reported by others. So, I tried the dvd versions first in VMWare Fusion, of kubuntu and then of ubuntu. [I get free downloads from the mirror on my ISP server, so a 4gb d/l is ok :)] Both worked without a hitch. Then I tried the ubuntu DVD in Parallels. In a straight-out attempt, it failed. So I tried as Solaris, other solaris. This worked, in the sense that when it starts up it still reports that "Unable to locate RSDP" message, but if you ignore that it happily keeps booting [you may sometimes need to reboot]. Changed the name back to Ubuntu and I'm OK.

__________________
iMac 2.1GHz, 2GB RAM, OS X 10.4.8,
Parallels Workstation for Mac with:
Win XP and Kubuntu 6.06, Mandriva 2007 Free and SUSE 10

04-25-2007, 12:31 AM #13
johnwheez Junior Member Join: Apr 2007 Posts: 3	I got Fiesty Fawn Server to install on the Mac Book Pro by using Q , the OS X Gui for Qemu. It's slower that Parallels but, gets teh job done until Parallels has a work around. The trick of using Solaris 10 as the guest OS doesn't seem to work for Fiesty Fawn Server.

04-26-2007, 01:10 AM

#14

Paul Annesley
Junior Member

Join: Apr 2007
Posts: 11

Quote:

Originally Posted by tjkrz

Unfortunately this is not an option when installing off the server ISO ubuntu-7.04-server-i386.iso

04-26-2007, 01:52 PM

#15

cassidyj
Junior Member

Join: Apr 2007
Posts: 2

Ubuntu Network Adaptor Issue

Quote:

Originally Posted by oneway23

I found this thread EXTREMELY helpful while I was installing Ubuntu 7.04 through Parallels on my MacBook. I had this same trouble that Joe was having. I fixed the sound card the same way and to fix the networking issue I went into the Parallels Network Adapter and changed it to "Default Adapter", bottom right of the OS window. Then I clicked the "Wired Network Connection" icon in Ubuntu and reselected "Wired Network" and when it refreshed the connection came up perfectly without a problem.

I could now run updates and get out to the internet.

Hope this helps and thanks to everyone in this thread that posted what they did to get Ubuntu up and running. :cool:

04-30-2007, 09:19 PM

#16

Brendon Colby
Junior Member

Join: Apr 2007
Posts: 1

Quote:

Originally Posted by bozwayed

here is what I did
as suggested by the user mmika before me, select solaris as your machine and then boot and install.
when you are done just click on the configuration of the virtual machine and change it back to linux. boot at you will see it will take a bit and then give you a login screen.
hope this helps
good luck

This worked for me!

05-01-2007, 06:47 AM #17
Paul Annesley Junior Member Join: Apr 2007 Posts: 11	Workaround to install Ubuntu Feisty Server I've written up a workaround to install Ubuntu 7.04 Feisty Fawn Server on Parallels 3188. This covers installing Feisty Server - a different kettle of fish to installing Feisty Desktop, though both make use of the Solaris CDROM emulation.

05-01-2007, 07:46 AM #18
mmika Member Join: Jan 2007 Posts: 91	Attaboy Paul Annesley. Good article, I hope it will be helpful for many users. But CDROM problems it is Parallels mistake, and it is fixed already . Thank you.

05-01-2007, 10:49 PM #19
Paul Annesley Junior Member Join: Apr 2007 Posts: 11	Good to hear the CDROM emulation issue in Parallels has been fixed - I look forward to the update coming through.

05-02-2007, 03:10 PM #20
Lilchef Junior Member Join: May 2007 Posts: 1	Thank you! I followed the advice of mmika (Setting up VM as Solaris 10), then tjkrz (closing down VM and changing it to Linux Kernel 2.6) and then cassidyj (changing to default network then reselecting wired network) and have now successfully installed Ubuntu 7.04 and its working like a charm :) Thanks a lot guys, much appreciated!

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