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  1. Re: System crashes and reboots randomly while browsing

    Dear Richard,
    I just can't thank you enough for your precious help.

    What's new is that my system rebooted in another different situation: I was scrolling a pdf when I noticed that the cursor was...
  2. Re: System crashes and reboots randomly while browsing

    Thanks, Richard.

    I spent the whole day testing my hard drives and RAM. I ran the memtest for 5+ hours and it passed. I also ran smartctl long tests for every drive but they completed without...
  3. Re: System crashes and reboots randomly while browsing

    Thank you so much Richard, and sorry for being late!

    I'm not experiencing this problem both on a live Ubuntu 12.04 and on a live Ubuntu 13.04. In fact, as a said earlier, this behaviour was...
  4. Re: System crashes and reboots randomly while browsing

    Is something in my sysct.conf causing these reboots?


    $ sudo sysctl -p
    net.ipv4.tcp_no_metrics_save = 1
    net.ipv4.tcp_moderate_rcvbuf = 1
    net.core.netdev_max_backlog = 2500
    net.core.rmem_max =...
  5. System crashes and reboots randomly while browsing

    Please, help me finding out what's happening!

    I'm totally clueless. I can't seem to find the cause of the reboots in dmesg or any other log. Basically, my system reboots randomly while browsing,...
  6. Replies
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    [kubuntu] Re: Long System Beep During Shutdown

    I can confirm this too on Karmic. Precisely, it started happening after upgrading the kernel to 2.6.31-15.50. The pcspkr workaround is not working. Has anyone reported this on Launchpad already?
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