Bug#806131: multipath-modules-4.2.0-1-s390x-di misses dm-service-time.ko

[Hendrik Brueckner <brueckner@linux.vnet.ibm.com>]

Control: affects -1 disk-detect

On Thu, Nov 26, 2015 at 09:10:22PM +0000, Ben Hutchings wrote:
> Control: tag -1 moreinfo
> 
> On Tue, 2015-11-24 at 17:06 +0100, Hendrik Brueckner wrote:
> > Package: src:linux
> > Version: 4.2.6-1
> > Severity: normal
> > Tags: d-i
> > 
> > Dear Debian Kernel Maintainers,
> > 
> > while trying out the Debian Installer and setting up multipath, I encountered
> > the problem that the multipath tool uses the service-time path selector as
> > default (this has been changed some months ago according to the history of
> > the multipath-tools git repository
> > (git://anonscm.debian.org/pkg-lvm/multipath-tools.git).
> 
> Only months ago?  It looks like it changed before jessie:
> 
> https://anonscm.debian.org/cgit/pkg-lvm/multipath-tools.git/commit/libmultipath/defaults.h?id=1bcf07988d7dc026099242a2a787178fdd27f8d1

Yes.. it's been long there.

> In which case this needs to be fixed there too.

That makes sense too.  Of course, the disk-detect package which includes the
multipath device detection needs to be updated too in order to load the kernel
module.  I open a separate bug for this soon.

> > Because the debian installer disk-detect module does not specify a particular
> > path selector when creating a multipath configuration file, the multipath tool
> > tries to establish path maps using the its default.
> > 
> > To solve the problem, I suggest to add and package the dm-service-time.ko
> > for the multipath-modules-4.2.0-1-s390x-di udeb.  According to the contents
> > of https://anonscm.debian.org/git/kernel/linux.git, I guess adding
> > "dm-service-time.ko" to the "debian/installer/modules/multipath-modules" is
> > necessary.
> 
> That looks right, yes.

Thank you Ben.

Hendrik