* Linux 2.6.19.1 device mapper error
@ 2007-02-12 0:53 Srini
0 siblings, 0 replies; only message in thread
From: Srini @ 2007-02-12 0:53 UTC (permalink / raw)
To: dm-devel
On further debugging, we found that if we are using a kernel version
2.6.16, the device mapper was functioning correctly as expected. The
device mapper version in 2.6.16 is 4.5.0-ioctl and the device mapper
version in 2.6.19.1 kernel is 4.11.0-ioctl.
Is there a difference between the 4.5.0 version and 4.11.0 version
that could be causing the problem that we are facing? Is there a list
of changes that has gone into device-mapper between these two
versions?
Thanks in advance for your inputs,
Srini
On 2/8/07, Srini <v.vvsrini@gmail.com> wrote:
> Hi all,
>
> I am currently trying to create a snapshot through EVMS (v2.5.4) and I am getting an error from the device mapper module in the kernel version 2.6.19.1 (dmesg). The following is the error message:
>
> device-mapper: table: 253:2: snapshot-origin: unknown target type
> device-mapper: ioctl: error adding target to table
> device-mapper: table: 253:7: snapshot: requires exactly 4 arguments
> device-mapper: ioctl: error adding target to table
> device-mapper: table: 253:7: snapshot: requires exactly 4 arguments
> device-mapper: ioctl: error adding target to table
>
> The lsmod command on the same machine shows the dm-snapshat module to have been successfully inserted:
>
> -bash-3.00# lsmod
> Module Size Used by Not tainted
> dm_snapshot 17192 1 - Live 0xf8948000
> dm_mod 51736 14 dm_snapshot, Live 0xf8906000
> nfsd 216944 0 - Live 0xf89c4000
> exportfs 5632 1 nfsd, Live 0xf88cf000
>
> The device mapper version itself (as printed in dmesg) is as follows:
>
> device-mapper: ioctl: 4.10.0-ioctl (2006-09-14) initialised: dm-devel@redhat.com
>
> Since the device mapper is returning an error, the EVMS Snapshot plugin is returning an invalid argument (EINVAL) and exiting.
>
> Any help would be much highly appreciated since we have been facing this issue for a week now...
>
> Thanks in advance for all your inputs,
>
> srini
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2007-02-12 0:53 Linux 2.6.19.1 device mapper error Srini
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