** Description changed:
- After allowing an Ubuntu Impish system to update, and rebooting for a
- new kernel it gets stuck after loading kernel and ramdisk, no further
- output on 5.13.0-36
+ After allowing an Ubuntu Impish system running under Parallels Desktop
+ on M1 Mac (aarch64) to update, an
Public bug reported:
After allowing an Ubuntu Impish system to update, and rebooting for a
new kernel it gets stuck after loading kernel and ramdisk, no further
output on 5.13.0-36
Reverting to 5.13.0-20 by selecting it at the grub screen allows the
system to boot as normal.
ProblemType: Bug
Dis
Public bug reported:
Until a few weeks ago suspend worked perfectly on my 2012 11" MacBook
Air. Since that time however it has become very unreliable.
If I close the lid to suspend and reopen within a short period of time
it resumes and all is fine. If left longer eg overnight then on opening
t
Kernel bisecting:
We know it's fixed in 4.3.0-040300-201511020949
Stepping up through kernels:
Current wily kernel (with displayport issue):
4.2.0-17.21 Ubuntu-4.2.0-17.21 4.2.3
dist-upgrade gets us to:
4.2.0-18.22 Ubuntu-4.2.0-18.22 4.2.3 - same displayport issue
v4.2.6-wily
Tested mainline and the Mini-DP to VGA adaptor behaved correctly
allowing me 1920x1200 on my external display.
uname -a
Linux moon127-MacBookAir 4.3.0-040300-generic #201511020949 SMP Mon Nov 2
14:50:44 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
sudo dmidecode -s bios-version && sudo dmidecode -s b
I've had a number of lockups in the last 2 days since upgrading to
Trusty and trying to run a VM under kvm which look to match this issue.
System appears to become unresponsive/hang with what looks like some
kind of I/O lockup, cannot ls in a terminal etc before eventually
display freezes. syslog
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