Is there any workaround that allows os-prober to find the Windows
partitions? Or, failing that, a way to just run the part of os-prober
that prints out the appropriate grub config section (I know what the
partition is so if there's a way to just run something like "os-prober-
windows /dev/sdb1"
@fermulator at the moment this is bug breaks dualboot anyway, since it
will not probe my Windows os before failing and stopping. So I have to
resort to using f12 to select the disk. I suppose it will be worse for
people with dual boot on one drive, but they will not be able to install
ZoL as
@fermulator Thanks will keep that in Mind But I am doing Single Boot
only.
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https://bugs.launchpad.net/bugs/1848496
Title:
[zfs-root] "device-mapper: reload ioctl on
@chilewskirbuu that is a reasonable workaround - NOTE: it would break
dual-boot though, so WARNING: don't use that as a workaround unless you
are sure you are not using dual boot;
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device-mapper: reload ioctl on osprober-linux-sda7 failed: Device or resource
busy
Command failed.
done
apt purge os-prober worked for me not getting any errors when updating grub now
thanks
one more thing knocked of the list YAY!
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Agree w/ @rlaager, this SHOULD NOT be functionally impacting in any way.
The update-grub command is not actually failing, just spewing errors
during os-prober. We want to clean it up (it is cosmetic).
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brian-willoughby (and pranav.bhattarai):
The original report text confirms that "The exit code is 0, so update-
grub does not fail as a result." That matches my understanding (as
someone who has done a lot of ZFS installs maintaining the upstream
Root-on-ZFS HOWTO) that this is purely cosmetic.
Just to let you know, this error is now preventing me from updating to the
20.04 release (forced).
I have twin 500GB drives as ZFS boot device. The upgrade/install of 20.04 shows
this error several times and ultimately fails.
Do I have to wait for 20.04.01 in July?
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Just ran into this error today.
Recently upgraded to 19.10 and decided to try the ZFS instead of mdadm
mirroring.
All was going well; until I tried to install cifs-utils for a Samba link to my
office --> error (exact as in title).
This worked fine on my previous 18.04 load.
The link in #7 says a
** Summary changed:
- [zfs-root] device-mapper: reload ioctl on osprober-linux-sda5 failed: Device
or resource busy
+ [zfs-root] "device-mapper: reload ioctl on osprober-linux-sdaX failed:
Device or resource busy" against devices owned by ZFS
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