Bug#770883: mdadm: /dev/md/name symlinks disappear with udev 175-7.2

[Michael Tokarev]

25.11.2014 00:42, Stepan Golosunov wrote:
> Package: mdadm
> Version: 3.3.2-2
> 
> On the next reboot after upgrading mdadm from 3.2.5-5 to 3.3.2-2 I was
> greeted with a fatal fsck error. Turned out symlinks like /dev/md/boot
> were missing. Manual creation of the necessary symlink allowed boot to
> continue. Then I upgraded udev from 175-7.2 to 215-5+b1. After reboot
> /dev/md/* symlinks were back.
> 
> Probably mdadm needs a versioned Depends: on udev. I wouldn't want to
> run into this issue on some remote server.

Do you have logs from udev about all this?  I don't see why udev update
might fix this issue, because I don't really see any construct in current
rules which might make it fail when run by wheezy udev.

> This is easily reproducible within qemu:

I'll try this.  Oh well.

Thanks,

/mjt