Sounds to me like Windows didnt recognise your partitions properly, and
installed over the root partition of Linux.

I've had this happen to me before. The only solution that I found was to
re-install the whole lot, both OS's, making sure that windows recognised
the partitions that were allocated to it.



"Ingo P. Korndoerfer" wrote:
> 
> dear mandrake community,
> 
> i am utterly at loss with my laptop :
> 
> - prehistory : installed some new softare on my windows partition.
>   (yeah, yeah .. i don't want to hear about it,
>    but the linux version of the program
>    gave me a segmentation fault)
>    maybe the disk got a little too full there. not sure.
>    abandonned this, logged out.
> 
> - problem : can't get into my linux partition now anymore :
> 
>    partition check hda1 hda2 <>
>    VFS : Cannot open root device 03:05
>    Kernel Panic : VFS : Unable to mount root fs on 03:05
> 
> what could be the problem ?
> 
> - all the device drivers should be there since i have been working
>    with this laptop
>    under linux for some three months now.
> - the mbr should be ok, since the boot process starts but gets hung later.
> 
> - partition table ? i figured out how to get into rescue mode.
>   here is the output of gpart -vvd /dev/hda1
>   doesn't that look unsuspicious ? i have no clue.
> 
> dev(/dev/hda1) mss(512) chs(202/240/63)(LBA) #s(3054240) size(1491mb)
> Primary partition(1)
>    type: 104(0x68)(UNKNOWN)
>    size: 904228mb #s(1851859059) s(1936028272-3787887330)
>    chs:  (116/100/32)-(288/101/46)d (128044/47/32)-(250521/155/46)r
>    hex:  6E 64 20 74 68 65 6E 20 70 72 65 73 73 20 61 6E
> 
> Primary partition(2)
>    type: 121(0x79)(UNKNOWN)
>    size: 263172mb #s(538976288) s(1330184192-1869160479)
>    chs:  (357/32/43)-(0/13/10)d (87975/34/51)-(123621/173/61)r
>    hex:  79 20 6B 65 79 0D 0A 00 00 00 49 4F 20 20 20 20
> 
> Primary partition(3)
>    type: 083(0x53)(UNKNOWN)
>    size: 682794mb #s(1398362912) s(538989391-1937352302)
>    chs:  (345/32/19)-(324/77/19)d (35647/107/11)-(128131/183/54)r
>    hex:  20 20 53 59 53 4D 53 44 4F 53 20 20 20 53 59 53
> 
> Primary partition(4)
>    type: 073(0x49)(UNKNOWN)
>    size: 10mb #s(21337) s(1394627663-1394648999)
>    chs:  (87/1/0)-(335/78/2)d (92237/67/3)-(92238/165/45)r
>    hex:  7E 01 00 57 49 4E 42 4F 4F 54 20 53 59 53 00 00
> 
> the output of the same for /dev/hda is more suspicious :
> 
> ** Error: invalid extended ptbl found at sector(3069360).
> 
> dev(/dev/hda) mss(512) chs(776/240/63)(LBA) #s(11733120) size(5729mb)
> Primary partition(1)
>    type: 011(0x0B)(DOS or Windows 95 with 32 bit FAT) (BOOT)
>    size: 1498mb #s(3069297) s(63-3069359)
>    chs:  (0/1/1)-(202/239/63)d (0/1/1)-(202/239/63)r
>    hex:  80 01 01 00 0B EF 3F CA 3F 00 00 00 71 D5 2E 00
> 
> Primary partition(2)
>    type: 133(0x85)(Extended Linux)
>    size: 4230mb #s(8663760) s(3069360-11733119)
>    chs:  (203/0/1)-(775/239/63)d (203/0/1)-(775/239/63)r
>    hex:  00 00 01 CB 85 EF FF 07 B0 D5 2E 00 D0 32 84 00
> 
>    Logical partition
>       type: 036(0x24)(NEC MS-DOS 3.x)
>       size: 953967mb #s(1953724755) s(945901090-2899625844)
>       chs:  (370/83/52)-(370/113/49)d (62559/143/2)-(191774/47/4)r
>       hex:  68 53 74 72 24 71 71 72 72 78 32 38 53 79 73 74
> 
> Primary partition(3)
>    type: 000(0x00)(unused)
>    size: 0mb #s(0) s(0-0)
>    chs:  (0/0/0)-(0/0/0)d (0/0/0)-(0/0/0)r
>    hex:  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 
> Primary partition(4)
>    type: 000(0x00)(unused)
>    size: 0mb #s(0) s(0-0)
>    chs:  (0/0/0)-(0/0/0)d (0/0/0)-(0/0/0)r
>    hex:  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 
> do i have hopes set to high, when i think everyhing should be still there ?
> how can i mount my linux partitioon again ? how can i fix this ?
> i'd really like to rescue my data.
> 
> 1000 thanks in advance for all hints !
> 
>                            ingo
> 
> --
> 
> ####################################################################################
> 
> Ingo P. Korndoerfer
> Dept. of Biological Chemistry
> Technische Universitaet Muenchen
> An der Saatzucht 5
> D-85350 Freising Weihenstephan
> 
> phone  : +49 (8161) 71-3255 (desk)
>          +49 (8161) 71-5167 (computing)
> fax    : +49 (8161) 71-4352
> e-mail : [EMAIL PROTECTED]
> 

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