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pneula
n00b
Joined: 16 Jan 2009
Posts: 37
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 Posted: Thu Jun 10, 2010 9:34 pm Post subject: [SOLVED] Recent kernel does not find logical partitions |
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Hi dear gentooers,
I have the weirdest problem I've had during my gentoo experience in three years. Gentoo kernel 2.6.30 seems to be the latest to recognise the logical partitions in my 400GB ATA IDE hard disk. fdisk lists them (/dev/hda5-7) but they don't show up in the /dev directory:
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Disk /dev/hda: 400.1 GB, 400088457216 bytes
255 heads, 63 sectors/track, 48641 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x000d313e
Device Boot Start End Blocks Id System
/dev/hda1 * 1 5 40131 83 Linux
/dev/hda2 6 68 506047+ 82 Linux swap / Solaris
/dev/hda3 69 4276 33800760 83 Linux
/dev/hda4 4277 48641 356361862+ 5 Extended
/dev/hda5 4278 35587 251497543+ 83 Linux
/dev/hda6 42115 48641 52428096 83 Linux
/dev/hda7 35588 42114 52428096 83 Linux
Partition table entries are not in disk order
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Gparted also finds the logical partitions, and, still more curiously, somehow makes them available in /dev without any other actions than launching.
I've tried some LiveCDs of which a two year old Gentoo Install Minimal finds the partitions whereas the most recent Minimal as well as Gparted LiveCD or SystemRescueCD don't. I even recreated the swap and root partitions (/dev/hda2-3) because gparted reports them corrupted with 'unable to find mount point', but this had no effect on the problem.
What is going on there and do I have to stick to 2.6.30 kernel forever?
Last edited by pneula on Thu Dec 23, 2010 10:56 am; edited 1 time in total |
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Jaglover
Watchman
Joined: 29 May 2005
Posts: 8291
Location: Saint Amant, Acadiana
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| Posted: Thu Jun 10, 2010 9:42 pm Post subject: |
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| Quote: | | Partition table entries are not in disk order |
I'd fix that first, fdisk can do it. |
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BradN
Advocate
Joined: 19 Apr 2002
Posts: 2391
Location: Wisconsin (USA)
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| Posted: Thu Jun 10, 2010 9:44 pm Post subject: |
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| The only thing I could recommend is copying down your partition geometry (recommended in advanced fdisk mode to make sure all details are the same), zeroing out your MBR, and then recreating the partitions (and reinstalling the bootloader, but try booting with a floppy/cdrom grub first to see if the bootloader is involved). It's possible there is some strange data in there that the kernel mistakes for a different partition table signature, but that's really all I can think of. |
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pneula
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Joined: 16 Jan 2009
Posts: 37
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Kernel & Hardware
