** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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https://bugs.launchpad.net/bugs/1605662
Title:
Console extremely slow with 4.4 kernels
Public bug reported:
Please see:
https://bugs.launchpad.net/ubuntu/trusty/+source/linux/+bug/1434581
for more information.
The changes that resolved the issue appear to have been lost between
14.04 and 16.04, and I am requesting that write combining (mtrr:3) once
again become the default for ve
I tried all three kernels on a Dell R320 with no kernel command line
options and they all resolve the issue.
** Tags removed: verification-needed-trusty verification-needed-utopic
verification-needed-vivid
** Tags added: verification-done-trusty verification-done-utopic
verification-done-vivid
That kernel flag works. Thanks for pushing this along.
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Title:
Console extremely slow with 3.13 and newer kernels for certified
se
I added the change from the SAUCE patch in May of 2011 to 3.13.0-48 and
rebuilt. It fixes the problem.
-static int mtrr __read_mostly; /* disable mtrr */
+static int mtrr __read_mostly = 3; /* disable mtrr */
I've attached the kernel, 3-13.0-48.80+testfb.
** Attachmen
Both of your finds are interesting considering the vesafb SAUCE patches
seem to be making a change to mtrr.
https://lists.ubuntu.com/archives/kernel-team/2011-May/015600.html
https://lists.ubuntu.com/archives/kernel-team/2013-March/027111.html
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3.11.x and earlier versions from mainline give me no display -- just a
black screen on boot. The system does work, and I posted a dmesg from
that boot earlier (dmesg110.txt is the name of the file.) So there's
definitely some sort of SAUCE patch or patches that make vesafb work
with those kernels,
3.11.0-12 does not have the bug, while 3.12.0-1 with SYSFB=n does. It
looks like 3.12 is when simplefb was implemented (as you noted in a
previous post) and when vesafb was integrated.
Based on Joseph Salisbury's comment #24 above noting that the older
Ubuntu kernels had SAUCE patches to make vesa
Thanks, that'll help if your host has the G200 based IPMI card.
Mainline kernels before 3.13 don't work at all, and the versions of 3.13
built with SYSFB=y are fine while the ones with SYSFB=n are not.
Comments 15 and 19.
I downloaded the source for 3.11.0-12, 3.12.0-1 and 3.13.0-1 from
(https://
Yep, one machine, three kernels.
I didn't have /etc/default/openipmi since I don't have the openipmi
package installed. I tried installing it and flipping those off, also I
tried blacklisting ipmi_si and ipmi_devintf. Unfortunately, there was no
change.
I can install and post logs for just about
** Attachment added: "[Correction] dmesg - Ubuntu 12.04 kernel v3.13.0-49
SYSFB=y"
https://bugs.launchpad.net/ubuntu/trusty/+source/linux/+bug/1434581/+attachment/4378621/+files/dmesg%201204%20313%20sysfby.txt
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** Attachment added: "dmesg - Ubuntu 12.04 Kernel v3.13.0-48 SYSFB=n"
https://bugs.launchpad.net/ubuntu/trusty/+source/linux/+bug/1434581/+attachment/4378600/+files/dmesg%201204%20313%20sysfbn.txt
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** Attachment added: "dmesg - Ubuntu 12.04 kernel v3.13.0-49 SYSFB=y"
https://bugs.launchpad.net/ubuntu/trusty/+source/linux/+bug/1434581/+attachment/4378618/+files/fb1204313sysfby.txt
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Understood. I agree that not completely breaking virtual machines in
some hypervisors is important. While I'm required to use bare-metal
installs on these systems, I depend on VMs as much as the next person.
There has to be an alternate solution.
Are you suggesting there's a kernel change needed t
** Attachment added: "dmesg - Ubuntu 12.04 Kernel v3.2"
https://bugs.launchpad.net/ubuntu/trusty/+source/linux/+bug/1434581/+attachment/4378599/+files/dmesg%201204%2032.txt
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That's correct, the VESA framebuffer (vesafb) is what I saw on lsmod on
older kernels. I can do any other testing you'd like with different
kernels or versions of Ubuntu as the system I'm doing this on is purely
test. Pre-setting the desired resolution results in a slow console and
setting GRUB_TER
I built 3.13.0-48.80 with CONFIG_X86_SYSFB=y since it was set to n in
3.13.0-7.24. This resolves the issue. I can upload the built kernel if
necessary.
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3.13.0-1 that you linked does not have the bug.
3.13.0-6.23 does not have it: https://launchpad.net/~canonical-kernel-
team/+archive/ubuntu/ppa/+build/5537054
3.13.0-7.24 appears to be a failed build, but maybe one of the commits
is related:
https://launchpad.net/ubuntu/+source/linux/3.13.0-7.24/
I tested more mainline kernels: 3.2.0 through 3.10.0. The corresponding
Ubuntu kernels (ex: lts-quantal 3.5.0-54 vs mainline 3.5.0) work
properly. The ones from mainline all black screen.
If I go to / and do find . -name vesafb.ko only the Ubuntu kernels from
3.11 and earlier have the file.
Was t
** Attachment added: "dmesg110.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1434581/+attachment/4354500/+files/dmesg110.txt
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** Attachment added: "dmesg120.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1434581/+attachment/4354501/+files/dmesg120.txt
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I tried more kernels this morning, and unfortunately my results weren't
so good.
All of the v3.12-rc# kernels, v3.11.0 and v3.11.10.15 give me a black
screen. The system does boot and function, but I am blind. I'm attaching
the dmesg from v3.12.0, v3.12-rc1 and v3.11.0.
The last versions of 3.8 (
** Attachment added: "dmesg12rc1.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1434581/+attachment/4354502/+files/dmesg12rc1.txt
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Chris, the output is:
2.3.3
07/10/2014
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Title:
Console extremely slow with 3.13 and newer kernels for certified
servers with Matr
In an attempt to narrow it down, I downloaded some more kernels from
mainline to test. I reloaded the machine with 12.04 and tried 3.11.0-26
(via linux-generic-lts-saucy meta) and 3.12.0 from the mainline
repository. 3.12.0 is slow like 3.13 and 3.11.0-26 performs fine as
noted in the original rep
I updated the BIOS to 2.3.3, and I used kernel 4.0-rc5 that was posted
this morning. No change. Running dpkg -l is still a slideshow.
I removed the bios-outdated tag, let me know if I need to do another
collect.
** Tags removed: bios-outdated-2.3.3
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I can do that on Monday when I'm back in the office no problem. This is
a test machine so I can do just about anything with it. Thanks!
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Console extremely slow with 3.13 and newer kernels for
apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1434581/+attachment/4350724/+files/Lsusb.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1434581/+attachment/4350722/+files/CurrentDmesg.txt
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apport information
** Tags added: apport-collected trusty
** Description changed:
When I first came across this issue I thought it was the same as bug
#1316035 (https://bugs.launchpad.net/ubuntu/+source/xorg-
server/+bug/1316035), but this bug seems to be about X and it is
reporting xorg
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1434581/+attachment/4350730/+files/WifiSyslog.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1434581/+attachment/4350728/+files/UdevDb.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1434581/+attachment/4350723/+files/Lspci.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1434581/+attachment/4350727/+files/ProcModules.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1434581/+attachment/4350726/+files/ProcInterrupts.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1434581/+attachment/4350725/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "UdevLog.txt"
https://bugs.launchpad.net/bugs/1434581/+attachment/4350729/+files/UdevLog.txt
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https://bugs.launchpad.net/bugs/1434
Public bug reported:
When I first came across this issue I thought it was the same as bug
#1316035 (https://bugs.launchpad.net/ubuntu/+source/xorg-
server/+bug/1316035), but this bug seems to be about X and it is
reporting xorg-server as the package with the issue. I've seen a report
on the certif
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