Jaakko Kyro, thank you for your comment. So your hardware and problem may be tracked, could you please file a new report with Ubuntu by executing the following in a terminal while booted into a Ubuntu repository kernel (not a mainline one) via: ubuntu-bug linux
For more on this, please read the official Ubuntu documentation: Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette When opening up the new report, please feel free to subscribe me to it. Thank you for your understanding. Helpful bug reporting tips: https://wiki.ubuntu.com/ReportingBugs -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1099487 Title: iwlwifi: Microcode SW error detected. Restarting 0x2000000 Status in “linux” package in Ubuntu: Incomplete Bug description: This appears to be related to the older bug #200509 on my Lenovo X230. Since Jan 4th, I'm seeing errors like: Jan 8 14:33:32 lystena kernel: [10462.742627] iwlwifi 0000:03:00.0: Microcode SW error detected. Restarting 0x2000000. Running: $ sudo modprobe -r iwlwifi; sudo modprobe iwlwifi ...fixes the issue. Attached appears to be one of the first instances of the issue. Kernel upgrade I can see in my apt logs: Start-Date: 2012-12-01 07:43:21 Commandline: aptdaemon role='role-commit-packages' sender=':1.1567' Install: linux-image-extra-3.5.0-19-generic:amd64 (3.5.0-19.30), linux-image-3.5.0-19-generic:amd64 (3.5.0-19.30) Upgrade: perl:amd64 (5.14.2-13, 5.14.2-13ubuntu0.1), perl-base:amd64 (5.14.2-13, 5.14.2-13ubuntu0.1), libboost-python1.49.0:amd64 (1.49.0-3.1ubuntu1, 1.49.0-3.1ubuntu1.1), perl-modules:amd64 (5.14.2-13, 5.14.2-13ubuntu0.1), libboost-date-time1.49.0:amd64 (1.49.0-3.1ubuntu1, 1.49.0-3.1ubuntu1.1), linux-image-generic:amd64 (3.5.0.18.21, 3.5.0.19.22), libperl5.14:amd64 (5.14.2-13, 5.14.2-13ubuntu0.1), linux-libc-dev:amd64 (3.5.0-18.29, 3.5.0-19.30) -21 kernel was installed on the 18th of December. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1099487/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp