After doing a bisect, I found the first bad commit is: 7ff9554bb578ba02166071d2d487b7fc7d860d62
** Description changed: [Impact] In the precise 3.2 series kernel writing strings to /dev/kmsg appears and dmesg and /var/log/syslog, in 3.5 series kernel this does not happen properly even with the equivalent userspace packages. I've already done a coarse bisect, works v3.4 fails in v3.5-rc1 [Test Case] + Run the following script as root: + #!/bin/bash - echo 'blah' > /dev/kmsg - tail -n1 /var/log/syslog | grep blah + STRING=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | head -c 32) + > /var/log/syslog + echo $STRING > /dev/kmsg + sleep 5 + grep $STRING /var/log/syslog # This should return 0. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1274444 Title: echo string to /dev/kmsg fails to appear on /var/log/syslog Status in “linux” package in Ubuntu: In Progress Bug description: [Impact] In the precise 3.2 series kernel writing strings to /dev/kmsg appears and dmesg and /var/log/syslog, in 3.5 series kernel this does not happen properly even with the equivalent userspace packages. I've already done a coarse bisect, works v3.4 fails in v3.5-rc1 [Test Case] Run the following script as root: #!/bin/bash STRING=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | head -c 32) > /var/log/syslog echo $STRING > /dev/kmsg sleep 5 grep $STRING /var/log/syslog # This should return 0. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1274444/+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