If I remember correctly the issue appeared shortly before 16.04 was
released, but I may have overlooked it before.
I will test the latest upstream kernel once I find time to create a
fresh installation on some other media, this system boots off ZFS and
thus doesn't work with 4.7 as of now.
--
Public bug reported:
Some times after locking the screen and waking it up some time later via
Fn (XF86WakeUp) lightdm accepts no input and Ctrl+Alt+Fx no longer work
to switch to another VT.
This is not always reproducible but I think it's triggered by clicking
on lightdm's login dialog before
I proposed a patch making use of autoconf upstream at
https://github.com/zfsonlinux/zfs/pull/5336
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https://bugs.launchpad.net/bugs/1636517
Title:
zfs: importing zpool with
ZFS works as intended, here. Zero-filled blocks are not counted into the
compression ratio, as they get dismissed early in the compression
pipeline and never hit the disks as used data:
# zfs create sbblht/test
# dd if=/dev/zero of=/test/a bs=16M count=8
8+0 records in
8+0 records out
134217728
Colin, thank you for the fix, I will switch to xenial-proposed now.
As a followup, upstream merged my PR so 1014-kernel-lookup-bdev.patch
may be removed once the next ZFS on Linux release gets synced to us,
hopefully in time for zesty.
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*** This bug is a duplicate of bug 1683340 ***
https://bugs.launchpad.net/bugs/1683340
** This bug has been marked a duplicate of bug 1683340
zfs-dkms 0.6.5.9-5ubuntu4: zfs kernel module failed to build
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Zero-filled data is not compressed by the set compression algorithm but
gets filtered by zero-length encoding, so the zeros never hit lz4 and
compressratio does not include them.
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Would turning the hard dependency into a somewhat softer recommendation be
a possible solution?
Do zfsutils require the module to be actually installed, or would rw access
to /dev/zfs suffice?
Regards,
Hajo Möller
Richard Laager schrieb am Mi., 31. Juli 2019,
00:50:
> I clo
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