Firmware changes did not help, but the following doubled my speed from
20mbps to 40mbps (still 50% lower than what I got in Windows 7):
vi /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
Change line to
wifi.powersave = 2
echo "options iwlwifi 11n_disable=8" | sudo tee /etc/modprobe.d/
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-
firmware.git/log/iwlwifi-6000-4.ucode
Last activity in master branch was 2011-06-03 so not much hope.
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https:/
Went to
http://www.intel.com/content/www/us/en/support/network-and-i-o/wireless-
networking/05511.html
and tried version 9.176 with no luck, same slow speeds.
loaded firmware version 9.176.4.1 build 15835 op_mode iwldvm
sudo mv -i ~rbeede/Downloads/iwlwifi-6000-4.ucode /lib/firmware
sudo mo
dmesg | grep firmware
337586.320046] iwlwifi :03:00.0: loaded firmware version 9.221.4.1
build 25532 op_mode iwldvm
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https://bugs.launchpad.net/bugs/1471794
Title:
Wif
I just tested and have the same issue. I tried the modprobe options
idea with no change.
Ubuntu 16.10 64-bit.
4.8.0-41-generic #44-Ubuntu SMP
My next approach will be to try the firmware blob from Intel's website
to see if pushing a newer one in helps.
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I have retested using the latest stable kernel and can confirm that this
error still occurs.
Linux okdev1383 3.11.0-19-generic #33-Ubuntu SMP Tue Mar 11 18:48:34 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
root@okdev1383:~# sudo md5deep -r -c -z /dev/
root@okdev1383:~# cat /etc/os-release
NAME="U
Ubuntu 12.04:
No kernel bug crash on:
3.5.0-36-generic
Kernel crash occurs with:
linux-image-3.5.0-37-generic
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https://bugs.launchpad.net/bugs/1206980
Title
Last worked in Ubuntu 12.04.02 LTS 64-bit Server Edition
Kernel 3.5.0-34-generic
Broken in Ubuntu 12.04.02 LTS 64-bit Server Edition
Kernel 3.5.0-37-generic
Broken in Ubuntu 12.10 64-bit Server Edition.
Kernel 3.5.0-37-generic
Broken in Ubuntu 13.04 64-bit Server Edition.
Kernel 3.8.0-19-gener
Tested with issue on
Vmware workstation 9 on windows 7 64-bit host. No vmware tools.
Vmware esxi 5.1 with no vmware tools.
Physical hardware Biostar a68i-350 deluxe r2.0 motherboard, 8gb ram.
All ubuntu 13.04 lts 64-bit server edition.
Works fine on all 3 when using ubuntu 12.04 64-bit serv
sudo dpkg -i linux-
image-3.11.0-031100rc3-generic_3.11.0-031100rc3.201307290035_amd64.deb
uname -a
Linux okdev1383 3.11.0-031100rc3-generic #201307290035 SMP Mon Jul 29 04:36:40
UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
Aug 2 14:57:26 okdev1383 kernel: [ 68.538338] [ cut here
]-
sudo dpkg -i linux-
image-3.9.0-030900-generic_3.9.0-030900.201304291257_amd64.deb
[rbeede@ubuntu13:/home/rbeede] $ uname -a
Linux ubuntu13 3.9.0-030900-generic #201304291257 SMP Mon Apr 29 16:58:15 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
sudo md5deep -r -c -z /dev/
Same kernel panic:
Aug 1
Public bug reported:
Reproducable 100% of the time.
sudo md5deep -r -c -z /dev/
Other intensive I/O commands such as fsck /dev/Some3TBDrive also cause the
panic.
/var/log/kern.log shows stack trace.
Ubuntu 13.04 64-bit (amd64) Server Edition
Tested running under VMWare ESXi 5, VMWare Workstat
I am able to reproduce this issue 100% of the time. A quick way to
trigger the kernel panic is
sudo md5deep -r -c -z /dev
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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My system seems to crash whether doing the md5deep / probe or when doing
a large amount of I/O on other mount points.
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https://bugs.launchpad.net/bugs/1203933
Title:
Kernel
Pulling the latest updates to 3.8.0-27 results in the same crash.
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https://bugs.launchpad.net/bugs/1203933
Title:
Kernel panic in kernel version 3.8.0-26.38-generic 3.8.13
kern.log from crash with 3.8.0-27-generic
** Attachment added: "kern.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1203933/+attachment/3754957/+files/kern.log
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I am encountering this issue as well. Attached is a screenshot.
My setup:
Ubuntu 13.04 LTS 64-bit Server Edition
VMWare Workstation 9 on a Windows 7 64-bit Enterprise Edition host
No floppy drive in the VM settings, but I didn't modify the default BIOS either.
One good tool to quickly reproduce
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