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Haiku
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PostPosted: Wed Jun 30, 2010 1:43 pm    Post subject: LiveCD boot failed. "No bootable medium found" Reply with quote

Hello,

I use GNU/Linux for 2 years now and I want to install Gentoo on my laptop.
I dowloaded the last version of the minimal CD for AMD64/EM64T, the mdr5 sum is correct and the CD seems to be well burned but the boot fails.

That's the error I can see:

Quote:
>> Looking for cdrom
! ! Media not found
>> No bootable medium found. Waiting for new devices...
>> Looking for the cdrom
! ! Media not found
! ! Could not find CD to boot. Something else needed!
>> Determing root device...
! ! Could not find the root block device in .
Please specify another value or: press Enter for the same type "shell" for a shell, or "q" to skip...
root block device() : :


Here is result of lspci :
Quote:

00:00.0 Host bridge: nVidia Corporation MCP79 Host Bridge (rev b1)
00:00.1 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1)
00:03.0 ISA bridge: nVidia Corporation MCP79 LPC Bridge (rev b2)
00:03.1 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1)
00:03.2 SMBus: nVidia Corporation MCP79 SMBus (rev b1)
00:03.3 RAM memory: nVidia Corporation MCP79 Memory Controller (rev b1)
00:03.5 Co-processor: nVidia Corporation MCP79 Co-processor (rev b1)
00:04.0 USB Controller: nVidia Corporation MCP79 OHCI USB 1.1 Controller (rev b1)
00:04.1 USB Controller: nVidia Corporation MCP79 EHCI USB 2.0 Controller (rev b1)
00:06.0 USB Controller: nVidia Corporation MCP79 OHCI USB 1.1 Controller (rev b1)
00:06.1 USB Controller: nVidia Corporation MCP79 EHCI USB 2.0 Controller (rev b1)
00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev b1)
00:09.0 PCI bridge: nVidia Corporation MCP79 PCI Bridge (rev b1)
00:0a.0 Ethernet controller: nVidia Corporation MCP79 Ethernet (rev b1)
00:0b.0 IDE interface: nVidia Corporation MCP79 SATA Controller (rev b1)
00:10.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
00:15.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
00:16.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
00:17.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
00:18.0 PCI bridge: nVidia Corporation MCP79 PCI Express Bridge (rev b1)
02:00.0 VGA compatible controller: nVidia Corporation C79 [GeForce 9200M G] (rev b1)
05:00.0 Ethernet controller: Atheros Communications Inc. AR5001 Wireless Network Adapter (rev 11)


Does someone know the solution please ?

PS : Sorry if I have done languages mistakes. I learn english for a while now and I did my best to be clear.
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NeddySeagoon
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PostPosted: Wed Jun 30, 2010 2:17 pm    Post subject: Reply with quote

Haiku,

Welcome to Gentoo.

The usual cause of this error is that the kernel on the CD is too old for your hardware. However, your drive controller
Code:
00:0b.0 IDE interface: nVidia Corporation MCP79 SATA Controller (rev b1)
has been in the kernel for several years.

How old is the liveCD you are using ?
A Gentoo CD is not required to install Gentoo as the CD only provides the tools to accomplish the install.
Many people like to use SystemRescueCD, which is up to date, Gentoo based and provides a GUI while you install
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Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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Haiku
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PostPosted: Wed Jun 30, 2010 2:47 pm    Post subject: Reply with quote

Thanks for your response NeddySeagoon.

I think the LiveCD I use is the last one, because I choosed "current iso" on the mirror :
Quote:

install-amd64-minimal-20100408.iso


I'll try to use SystemRescueCD, but I let this thread opened for the moment in case anyone have an idea or if I fail.
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ankywong
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PostPosted: Fri Jul 02, 2010 10:09 pm    Post subject: No bootable medium found Reply with quote

Yes I have encountered such a problem of no bootable medium found,and my laptop is old compaq n410c.
I 've been told on the Internet that there were some old laptops like IBM,DELL,COMPAQ ,etc may occur this problem.
But until now my problem is still unsolved.Anny one helps us.
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NeddySeagoon
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PostPosted: Fri Jul 02, 2010 10:44 pm    Post subject: Reply with quote

ankywong,

On old systems, the CD was booted using a floppy image burned in the right place on the CD for the BIOS to find.
Boot CDs today do not support that and such BIOSes cannot boot ISOLINUX from the CD.

You may copy the CD to a USB stick and boot that, provided the system can boot from USB.
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NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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Shiv
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PostPosted: Wed Sep 01, 2010 1:49 pm    Post subject: Reply with quote

NeddySeagoon wrote:
ankywong,

On old systems, the CD was booted using a floppy image burned in the right place on the CD for the BIOS to find.
Boot CDs today do not support that and such BIOSes cannot boot ISOLINUX from the CD.

You may copy the CD to a USB stick and boot that, provided the system can boot from USB.


Hello Guys,

I have the exact
Code:
lspci
output .. using a Fujitsu v6555, and have the same problem .. using a USB drive did not solve it (used the Gentoo Live USB guide) to make sure I was doing it right .. booted fine on my work pc) and am unable to activate the x server using the system rescue cd .. in fact I downloaded the latest live cd yesterday and tried everything all over again including workarounds posted on the forums since 2004 seems that this bug has been there for a while .. not sure what to do .. please help
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Shiv
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PostPosted: Wed Sep 01, 2010 6:07 pm    Post subject: Reply with quote

Hi Haiku .. have you had any luck with this ..

Please advise.

Regards,

Shiv
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Shiv
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PostPosted: Thu Sep 02, 2010 4:08 pm    Post subject: Something finally worked Reply with quote

Hello Guys .. something finally worked .. for what reason I have no clue .. made a bootable usb key using the (surprisingly) Gentoo 2008 .iso and it boots :) .. no x server but gather that is on account of the nvidia drivers and x.org conf file .. so I can proceed with normal installation using the 1. Latest Gentoo stage 3 and portage snapshot by following the latest guide or 2. use the text installer available on the 2008 CD to do a binary install and then updating the system ..

I am tempted towards the second option but if I have done my homework that is not the correct way to go about it .. it will either result in a non-bootable system or tremendously unstable one .. am I correct?

Sorry for the trouble here guys .. Appreciate your help though ..

Thanks again :)
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NeddySeagoon
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PostPosted: Thu Sep 02, 2010 7:02 pm    Post subject: Reply with quote

Shiv,

Doing a binary install using the 2008.0 installer will get you a Gentoo from February 2008. That is, it will be 30 months old.
The recommended update procedure for such an out of date install is to reinstall. That defeats the purpose of the binary install in the first place.

Its OK to use the 2008.0 Installer as a tool to follow the handbook as it only provides a few tools to allow the install to take place. None of its code goes into the install.

You can update a 30 month old install and very educational it will be too. It takes much longer than a standard install, which is why as reinstall is recommended. You have enough to learn following the handbook, so go that route.
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NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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Shiv
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PostPosted: Thu Sep 02, 2010 8:37 pm    Post subject: Thank You Reply with quote

Thank you Neddy .. appreciate your help with this.

Best,

Shiv
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