Ok here is my experience with Ubuntu and Macbook Air 6,2.:
Booting live USB:
EFI: 12.04.2 - without problems
EFI: 13.04 - without problems
amd64+mac: 12.04.2 - cannot boot nor recognise Ubuntu USB installer
amd64+mac: 13.04 - cannot boot nor recognise -||-
with special patch mac_setup.sh from
Public bug reported:
Hi my Ubuntu 14.04 cannot read SD cards in Macbook Air 6,2, although is should.
LSPCI:
barborka@barca-MacBookAir:~$ lspci
00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated
Public bug reported:
Hi, after I wake up my MacbookAir with Ubuntu 14.04 the typing is
panfully slow because every press of key on keyboard has about 1 second
delay to occur in Ubuntu.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-20-generic 3.13.0-20.42
Public bug reported:
Hi, after upgrade of linux-generic the Ubuntu doesn't recognize wireles
adapter Broadcom Corporation BCM4322.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-35-generic 3.13.0-35.62
ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
Uname:
Public bug reported:
Hi, I use Tenda w522u dual band wireless adapter (RT3572) and although
it CAN see networks and CAN connect to them, the bandwith is really
terrible. The internet is very slow although with another wireless
adapter it is much better (600Kbits/sec versus 15Mbit/sec
Public bug reported:
New kernel causes black screen after login, I cannot use it nor switch to ttyX.
It came as regular upgrade during installation of Ubuntu.
Downgrade to kernel 3.13.0-32-generic is a workaround.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-generic 3.13.0.43.50
It seems upgraded kernel has serious issues with AMD GPUs, probably same
problem is here: http://askubuntu.com/questions/560350/boot-hangs-after-
upgrade-to-kernel-3-13-0-43
Athlon 5150 with radeon R3 (HD8400). Black screen, system freeze during
boot, started after upgrade of Ubuntu (this upgrade
Hi, same situation with kernel 3.13.0-43 in Ubuntu 14.04.1, black screen,
cannot switch to tty - version before upgrade works OK.
3.16.0-28 - the bug is still here.
The new version of kernel 3.13.0-43 is being installed automatically during
installation of Ubuntu 14.04 and makes the Ubuntu
Hi, same situation with kernel 3.13.0-43 in Ubuntu 14.04.1, black screen,
cannot switch to tty - version before upgrade works OK.
3.16.0-28 - the bug is still here.
The new version of kernel 3.13.0-43 is being installed automatically during
installation of Ubuntu 14.04 and makes the Ubuntu
Yes, but this is not a resolution, it is just a workaround, mentioned in
askubuntu.
Do not forget for many people fglrx is not an option because of lack of proper
vdpau support, etc.
There is something really bad in latest Ubuntu kernels.
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Similar here, I cannot use nothing connected to USB3 (although lsusb command
can see it).
Ubuntu 14.04.1
MB MSI 970 GAMING
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https://bugs.launchpad.net/bugs/1242321
Title:
Are you serious? how can u let thousands of users with new AMD apus
without support for several (!!!) months ? withou posibility to boot OS,
they will f. ck Ubuntu like Linus did to NVIDIA!! Unbelievable... wow
Canonical, you do not want customers... you really do not want them.
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It seems to be resolved, right?
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https://bugs.launchpad.net/bugs/1093217
Title:
8086:0166 [Lenovo IdeaPad Z580] 12.04-13.10 10-20min boot delay (From
3.2.0.29-3.12-rc2)
3.19.0.31.18 the bug is here... How possibly could this arrive in
regular updates??
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https://bugs.launchpad.net/bugs/1503655
Title:
Kernel bug in
Public bug reported:
Suspend to RAM doesn't work in Macbook Air, the laptop doesn't go to sleep...
It worked few kernels ago.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-19-generic 4.2.0-19.23
ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
Uname: Linux
Hi, thanks for the cooperation.
I updated BIOS and it partially helped.
1)$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
V22.4
12/21/2015
2) It seems it partially helped, but it is probably because of update in
Ubuntu because it was better even before BIOS upgrade. Now,
I can track it in terminal, but I do not know proper commands. If you
can tell me them, I can try it ;)
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https://bugs.launchpad.net/bugs/1565087
Title:
Ubuntu no longer
Public bug reported:
After upgrade to 16.04, Ubuntu no longer detects SD Cards in my SD Card
reader (external -> USB). Before upgrade (from 15.10) it was OK.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-16-generic 4.4.0-16.32
ProcVersionSignature: Ubuntu
Public bug reported:
Ubuntu does not boot with systemd, it boots with upstart choice in grub.
Workaround - alt+f1 during start and then start lightdm manually.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-31-generic 4.4.0-31.50
ProcVersionSignature: Ubuntu
Public bug reported:
Latest kernel boots to distorted graphics (systemd) or does not boot at all
(upstart).
Doesn't matter whether I use nouveau or nvidia drivers.
Graphics is distorted even in tty
Booting to kernel before that workarounds this bug.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Hi, thanks for cooperation.
Answers: It happened after regular upgrade and reboot. All Xenial's kernels
before latest were OK.
So it is probably regression.
I reinstalled Ubuntu (by using alternate Lubuntu iso, I use RAID and Ubuntu iso
cannot deal with it.)
and everything was OK, until
** Tags added: kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1606384
Title:
Ubuntu does not
Public bug reported:
Ubuntu doesn't read SD cards, I use internal card reader in my PC.
I tried latest mainline kernel and it did not help.
Before upgrade to this kernel, it worked.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-34-generic 4.4.0-34.53
Public bug reported:
Ubuntu with KDE5 freezes every few hours on my Lenovo computer. I will
investigate and write here more.
Seems to be unrelated to video drivers, newer from ppa did not help.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-34-generic 4.4.0-34.53
Public bug reported:
wifi doesn't work after wake up (brcmsmac)
macbook air 4,2
ProblemType: Bug
DistroRelease: elementary 0.4
Package: linux-image-4.4.0-36-generic 4.4.0-36.55 [modified:
boot/vmlinuz-4.4.0-36-generic] [origin: Ubuntu]
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Hi, newer kernel did not help, it seems it is known bug of AMD970 chipset.
GRUB_CMDLINE_LINUX="iommu=soft" is a known workaround.
** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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Public bug reported:
After I upgraded to latest kernel, Ubuntu does not boot without messing with
grub (I had to delete quiet splash options).
Before upgrade it was OK.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-42-generic 4.4.0-42.62
ProcVersionSignature: Ubuntu
Bios did not help. It happens with latest ubuntu kernel but does not in
upstream kernel 4.8.2.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags removed: needs-upstream-testing
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Same bug with newest kernels...
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https://bugs.launchpad.net/bugs/1419377
Title:
USB3 doesn't work properly in Ubuntu
Status in linux package in Ubuntu:
Confirmed
Bug
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/808963
Title:
Ubuntu freezes when I try to connect to a wireless
Latest kernel (4.8.2 I think) can boot IF I go to grub settings (to choose that
kernel).
Without it even that kernel ends in that panic error.
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With newer upstream kernels, it works much better, but sometimes it
still is not present (module) after wake up from suspend to ram.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Bios did not help. It happens with latest ubuntu kernel but does not in
upstream kernel 4.8.2.
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https://bugs.launchpad.net/bugs/1613472
Title:
Ubuntu doesn't read SD cards
"kernel panic when booting 4.4.0-42 and 4.4.0-38, but not 4.4.0-36"
I thought the same, but I realised it is somehow "random". Only 1 of 8 attempt
to boot is succesfull, no matter what kernel (despite what I thought).
It all happened after update of packages few days ago.
Before that all
The situation is crazy.
I have -43, -42, -38 and -36 kernels.
The bug is not in "quiet splash" option.
All of them can boot only 1 of 8 times, no matter which one, no matter
whether "quiet splash" is present or not.
It is probably not bug in kernel.
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The bug still exists with latest nvidia drivers (!!!)
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https://bugs.launchpad.net/bugs/1684240
Title:
Lagging square around mouse pointer
Status in
I have same problem in Lenovo laptop with intel CPU, SSD.
With 16.04 it worked. In 18.04 it worked few days ago, now it doesn't work and
using other kernel versions doesn't help, so I suspect it is not fault of newer
kernel.
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