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kernel panic on bios raid 0 system: unknown-block [solved]
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Black Imp
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PostPosted: Mon Dec 18, 2006 5:35 pm    Post subject: kernel panic on bios raid 0 system: unknown-block [solved] Reply with quote

I've set up a raid 0 configuration with 2 seagate hd's 160Gb eachone, on a nf7-s 2.0 motherboard. They are driven by onboard sylicon 3112 controller. I started up with livecd using dodmraid option

Code:
gentoo dodmraid


it worked. then I partitioned the array following the instructions here http://gentoo-wiki.com/HOWTO_Install_Gentoo_with_NVRAID_using_dmraid

my partition table is a little different:

1 primary 64Mb Hidden w95 fat32
2 Primary 60Gb HPFS/NTFS
3 extended 240 Gb

5 logic 1Gb Linux swap
6 logic 30Gb Linux
7 logic 10Gb Linux
8 logic 210Gb w95 fat32(lba)


then as suggested i installed winxp on partition 2.

now i've rebooted to install gentoo but this time even booting with the option dodmraid I get a kerel panic


Code:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)


:evil:

what am i supposed to do to have raid 0 working on gentoo too?


solved the new copy of livecd i was using was bad burned


Last edited by Black Imp on Mon Dec 25, 2006 3:16 am; edited 2 times in total
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xoomix
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Joined: 02 Jan 2003
Posts: 489

PostPosted: Mon Dec 18, 2006 5:40 pm    Post subject: Re: kernel panic on bios raid 0 system Reply with quote

Black Imp wrote:
I've set up a raid 0 configuration with 2 seagate hd's 160Gb eachone, on a nf7-s 2.0 motherboard. They are driven by onboard sylicon 3112 controller. I started up with livecd using dodmraid option

Code:
gentoo dodmraid


it worked. then I partitioned the array following the instructions here http://gentoo-wiki.com/HOWTO_Install_Gentoo_with_NVRAID_using_dmraid

my partition table is a little different:

1 primary 64Mb Hidden w95 fat32
2 Primary 60Gb HPFS/NTFS
3 extended 240 Gb

5 logic 1Gb Linux swap
6 logic 30Gb Linux
7 logic 10Gb Linux
8 logic 210Gb w95 fat32(lba)


then as suggested i installed winxp on partition 2.

now i've rebooted to install gentoo but this time even booting with the option dodmraid I get an kerel panic


Code:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)


:evil:

what am i supposed to do to have raid 0 working on gentoo too?



Kernel checklist:

Driver for sylicon 3112 controller built in?
Driver for MOBO chipset built in?
Driver for whatever file-system you formated your partitions with built in (reiserfs/ext3/cfx etc.)?

Triple-check your /etc/fstab entries
Triple-check your grub.conf lines, paying particular attention to your 'root=' and 'real_root =' declarations.


Re-check the section in the guide that tells how to do this:

Code:

 Building the Kernel

This guide prefers building the kernel yourself over using genkernel. When you are building your kernel, remember to add support for the RAID (and compile as static (*), not as a module (M)):

-> Device Drivers
 -> Block devices
  <*> Loopback device support
  <*> RAM disk support
    (16)  Default number of RAM disks
    (8192) Default RAM disk size (kbytes)
    (1024) Default RAM disk block size (bytes)
  [*] Initial RAM filesystem and RAM disk (initramfs/initrd) support
 -> SCSI device support
  <*> RAID Transport Class
  <*> SCSI device support
    -> SCSI low-level drivers
    -> Serial ATA (SATA) support
     <*> Choose the RAID chipset of your choice
 [*] Multiple devices driver support (RAID and LVM)
  <*> RAID support
   <*> Choose your RAID method (striping/mirroring/etc)
  <*> Device mapper support 
   <*> (I marked everything under here, but only because I'm too lazy to troubleshoot)
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igknighted
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Joined: 01 Dec 2006
Posts: 5
Location: NY, USA

PostPosted: Mon Dec 18, 2006 6:25 pm    Post subject: Reply with quote

I'm getting the same error message, but I'm not on any kind of raid system, just a single SATA disk. It's a via chipset, so how do I check if I compiled with all those options now that I can't boot the system?
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Black Imp
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PostPosted: Mon Dec 18, 2006 6:31 pm    Post subject: Re: kernel panic on bios raid 0 system Reply with quote

[quote="xoomix"]


xoomix thank you: i haven't installed gentoo yet! that's simply what i get from booting with livecd after inserting gentoo dodmraid on startup. Before installing winxp I was able to startup livecd with gentoo dodmraid, infact i partitioned the array with gentoo.
In few words i can't install gentoo anymore. Intuitively it seems it wants to mount cd on windows partition or something like that. what can i do?


Last edited by Black Imp on Mon Dec 18, 2006 6:34 pm; edited 2 times in total
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Black Imp
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PostPosted: Mon Dec 18, 2006 6:32 pm    Post subject: Reply with quote

igknighted wrote:
I'm getting the same error message, but I'm not on any kind of raid system, just a single SATA disk. It's a via chipset, so how do I check if I compiled with all those options now that I can't boot the system?


start with livecd or minimal and recompile kernel again.
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Black Imp
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PostPosted: Wed Dec 20, 2006 10:02 am    Post subject: Reply with quote

please anyone can help me??
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Black Imp
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PostPosted: Fri Dec 22, 2006 8:21 pm    Post subject: Reply with quote

i've searched on google for an error message like that but it seems many people got it for very different reasons and no one with an installation cd. what should I do? renounce to gentoo? :?
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