Hi Martin,
On Wed, Jun 16, 2010 at 03:24:36PM +0200, martin f krafft wrote:
> Package: kpartx
> Version: 0.4.8+git0.761c66f-8
> Severity: normal
>
> I have three extended partitions on /dev/loop0:
>
> % sudo sfdisk -d /dev/loop0
> Warning: extended partition does not start at a cylinder boundary.
> DOS and Linux will interpret the contents differently.
> # partition table of /dev/loop0
> unit: sectors
>
> /dev/loop0p1 : start= 16, size= 7812464, Id= c
> /dev/loop0p2 : start= 7812480, size= 3906240, Id=83, bootable
> /dev/loop0p3 : start= 11718720, size= 3944320, Id= 5
> /dev/loop0p4 : start= 0, size= 0, Id= 0
> /dev/loop0p5 : start= 11718736, size= 976624, Id=83
> /dev/loop0p6 : start= 12695376, size= 195184, Id=83
> /dev/loop0p7 : start= 12890576, size= 2772464, Id=83
>
> kpartx cannot handle that it seems:
>
> % sudo kpartx -av /dev/loop0
> add map loop0p1 (253:16): 0 7812464 linear /dev/loop0 16
> add map loop0p2 (253:17): 0 3906240 linear /dev/loop0 7812480
> add map loop0p3 (253:18): 0 3944320 linear /dev/loop0 11718720
> device-mapper: resume ioctl failed: Invalid argument
> add map loop0p5 : 0 976624 linear 253:18 11718736
> device-mapper: resume ioctl failed: Invalid argument
> add map loop0p6 : 0 195184 linear 253:18 12695376
> device-mapper: resume ioctl failed: Invalid argument
> add map loop0p7 : 0 2772464 linear 253:18 12890576
>
> % ls /dev/mapper/loop0p*
> /dev/mapper/loop0p1 /dev/mapper/loop0p2 /dev/mapper/loop0p3
>
kpartx handles extended partitions nicely, we're using this on literally
dozenzs of servers here - although not on loop but SAN devices.
Is there anything in dmseg?
The ioctl fails so I think the issue is with the kernel sine the "add
map" commands all look sane or am I missing something?
Could you check Squeeze's 2.6.32?
Could you check if adding a map using dmsetup e.g. for loop0p7 works
as expected?
How exactly did you create that loop mounted file?
Cheers,
-- Guido
> -- System Information:
> Debian Release: squeeze/sid
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 2.6.33-2-amd64 (SMP w/1 CPU core)
> Locale: LANG=en_GB, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
>
> Versions of packages kpartx depends on:
> ii dmsetup 2:1.02.47-1 The Linux Kernel Device Mapper
> use
> ii libc6 2.11.1-2 Embedded GNU C Library: Shared
> lib
> ii libdevmapper1.02.1 2:1.02.47-1 The Linux Kernel Device Mapper
> use
> ii udev 154-1 /dev/ and hotplug management
> daemo
>
> kpartx recommends no packages.
>
> kpartx suggests no packages.
>
> -- no debconf information
>
>
> --
> .''`. martin f. krafft <madd...@d.o> Related projects:
> : :' : proud Debian developer http://debiansystem.info
> `. `'` http://people.debian.org/~madduck http://vcs-pkg.org
> `- Debian - when you have better things to do than fixing systems
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