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Thread: Upgrade from 10.10 to 11.04 caused many problems

  1. #1
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    Upgrade from 10.10 to 11.04 caused many problems

    Hello,

    I am a relatively new Linux user, and have recently installed Ubuntu on my Apple PowerBook G4 667 Gigabit Ethernet (Onyx) laptop. I had gotten Xorg configured, and everything was working well under Xubuntu 10.10 PowerPC. Last night I upgraded to 11.04, and since then I have been noticing some severe issues.

    1) CPU usage is really high. A typical output from top follows:

    Tasks: 142 total, 1 running, 140 sleeping, 0 stopped, 1 zombie
    Cpu(s): 62.7%us, 35.3%sy, 0.0%ni, 1.0%id, 0.0%wa, 1.0%hi, 0.0%si, 0.0%st
    Mem: 1023604k total, 398132k used, 625472k free, 50564k buffers
    Swap: 860156k total, 0k used, 860156k free, 132724k cached

    PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    17387 user 20 0 11796 4080 3312 S 18.5 0.4 2:34.72 gvfs-gdu-volume
    17397 root 20 0 16036 3936 3260 S 10.4 0.4 1:32.63 udisks-daemon
    644 root 20 0 205m 34m 9604 S 9.4 3.5 0:45.16 Xorg
    264 root 18 -2 3560 1036 428 S 9.1 0.1 1:49.87 udevd
    388 messageb 20 0 4272 1632 876 S 6.5 0.2 0:54.84 dbus-daemon
    16928 user 20 0 107m 12m 9.8m S 3.2 1.2 0:23.18 xfce4-fsguard-p
    20078 user 20 0 117m 15m 11m S 3.2 1.5 0:01.74 xfce4-terminal
    16918 user 20 0 26384 9644 8092 S 2.9 0.9 0:25.91 xfce4-systemloa
    1 root 20 0 3892 2024 1440 S 1.6 0.2 0:18.98 init
    16909 user 20 0 25120 8020 6652 S 1.6 0.8 0:23.30 xfce4-cpugraph-
    240 root 20 0 3036 828 648 S 1.3 0.1 0:16.63 upstart-udev-br
    251 root 16 -4 4224 1696 348 S 1.3 0.2 0:09.78 udevd
    6 root -2 0 0 0 0 S 1.0 0.0 0:11.59 rcu_kthread
    19144 root 20 0 0 0 0 S 1.0 0.0 0:00.39 kworker/0:1
    16896 user 20 0 106m 9580 6884 S 0.6 0.9 0:04.51 xfce4-power-man
    17532 user 20 0 27356 8384 6952 S 0.6 0.8 0:05.61 Thunar
    20465 user 20 0 3328 1380 1084 R 0.6 0.1 0:00.43 top
    user@user-laptop:~$

    2) I notice two Bootstrap volumes sitting on my desktop. They are not in the fstab file, the contents of which are displayed below.

    # /etc/fstab: static file system information.
    #
    # Use 'blkid -o value -s UUID' to print the universally unique identifier
    # for a device; this may be used with UUID= as a more robust way to name
    # devices that works even if disks are added and removed. See fstab(5).
    #
    # <file system> <mount point> <type> <options> <dump> <pass>
    proc /proc proc nodev,noexec,nosuid 0 0
    # / was on /dev/hda3 during installation
    UUID=9da8797f-d3e0-47b4-856c-4950c15d5fd7 / ext4 errors=remount-ro 0 1
    # swap was on /dev/hda4 during installation
    UUID=2a648e15-79db-4df5-95e5-7f56a82c4f26 none swap sw 0 0

    Also, when I kill the gvfs-gdu-volume process, the Bootstrap volumes go away, but the CPU usage problem does not. It drops to about 70% and a never-ending supply of udev processes creep in to fill the #1 cpu usage spot. That is, I can kill them 'til the cows come home, but there is always a udev process eating ~10% CPU, and idle CPU usage hovers around 60%-70%.

    3) I cannot switch to TTY1-TTY6. CTRL-ALT-F1 through CTRL-ALT-F6 yields a black screen each time. CTRL-ALT-F7 always brings me back to X.

    Has anyone noticed similar issues? Is there any more information I can provide that would help diagnose these problems, tests I could run, etc? Thanks for your help!
    Last edited by resuser; October 13th, 2011 at 07:25 PM. Reason: typographical error

  2. #2
    rsavage is offline Iced Almond Soy Ubuntu, No Foam
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    Re: Upgrade from 10.10 to 11.04 caused many problems

    Your the third person I know of with this. See the answer by axion on this post http://askubuntu.com/questions/58488...-configuration .

  3. #3
    rsavage is offline Iced Almond Soy Ubuntu, No Foam
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    Re: Upgrade from 10.10 to 11.04 caused many problems


  4. #4
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    Re: Upgrade from 10.10 to 11.04 caused many problems

    Thank you for the reply, rsavage, but the link you posted is for an Xorg related problem, which I am not experiencing. X starts just fine, the problem is that I have no non-X terminals to log into.

    Also, the bug report is not mine.

  5. #5
    rsavage is offline Iced Almond Soy Ubuntu, No Foam
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    Re: Upgrade from 10.10 to 11.04 caused many problems

    Both links contain fixes (well workarounds really) for your udev problem. Honestly, I don't know why I bother sometimes!

  6. #6
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    Re: Upgrade from 10.10 to 11.04 caused many problems

    I'm not sure why you bother either. The workaround:

    nano /etc/udev/rules.d/my.rules
    KERNEL=="sr1", ACTION=="change", WAIT_FOR="nothing"

    in the bug report thread doesn't seem to have any effect, and the "sudo stop udev" workaround seems a little ham-handed, especially in light of this new piece of information I discovered about 5min ago:

    Inserting a cd-rom into the drive causes idle CPU usage to fall to normal levels (~10%-20%).

    Any ideas why that might be? Is there a way to dig deeper to find out what udev is actually doing, and what it has to do with a CD being inserted?

    The mystery of the missing TTY's and the fact that 11.04 deems it wise to mount my Bootstrap partitions remain.
    Last edited by resuser; October 13th, 2011 at 09:45 PM. Reason: left something out

  7. #7
    rsavage is offline Iced Almond Soy Ubuntu, No Foam
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    Re: Upgrade from 10.10 to 11.04 caused many problems

    Quote Originally Posted by resuser View Post
    I'm not sure why you bother either.
    You seriously still expect help?

  8. #8
    rsavage is offline Iced Almond Soy Ubuntu, No Foam
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    Re: Upgrade from 10.10 to 11.04 caused many problems

    Since this affects other people I continued to have a quick look into this. There are other bugs that have been reported against udev such as https://bugs.launchpad.net/ubuntu/+s...ev/+bug/801853 . The reported fix in reply 1 is interesting because I've looked into hal polling before. There is a known problem with automounting with many mac drives. I thought this was maybe caused by hal polling being disabled. So I wonder if you have it enabled?


    Quote Originally Posted by resuser View Post
    Any ideas why that might be? Is there a way to dig deeper to find out what udev is actually doing, and what it has to do with a CD being inserted?
    To monitor udisks try the command:

    udisks --monitor

    To monitor udev try either:

    udevadm monitor
    udevadm monitor --environment


    Quote Originally Posted by resuser View Post
    The mystery of the missing TTY's
    I get bad corruption on TTYs under natty (i have a radeon card). Text is almost unreadable. Perhaps you have it worse? EDIT: you probably don't have the radeonfb framebuffer loaded anymore.


    Quote Originally Posted by resuser View Post
    and the fact that 11.04 deems it wise to mount my Bootstrap partitions remain.
    I remember it did this to me. I assumed it was something thunar did (is thunar the source of your problematic polling?). Let people know if you find the solution.

    Quote Originally Posted by resuser View Post
    The workaround:

    nano /etc/udev/rules.d/my.rules
    KERNEL=="sr1", ACTION=="change", WAIT_FOR="nothing"

    in the bug report thread doesn't seem to have any effect
    That's because your cdrom drive is hdc not sr1.
    Last edited by rsavage; December 19th, 2011 at 12:47 PM. Reason: Updated radeonfb info

  9. #9
    rsavage is offline Iced Almond Soy Ubuntu, No Foam
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    Re: Upgrade from 10.10 to 11.04 caused many problems

    I've been thinking some more about what I said yesterday about the TTYs. Now I remember correctly, actually I only got corruption when I stopped the xorg server. Presumably there is some sort of switch in drivers/framebuffers at that point?

    What I do know is that in 11.04 kernel mode setting is turned off on my radeon card. In 10.04/10.10 it is turned on. So I reckon you could try either of these yaboot parameters:

    radeon.modeset=1
    video=radeonfb:1024x768-24@60 (or whatever resolution you want)


    For your udev problem: If you can't find a solution then there is always an upgrade to 11.10. I notice it is out now.
    Last edited by rsavage; December 25th, 2011 at 01:45 AM.

  10. #10
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    Re: Upgrade from 10.10 to 11.04 caused many problems

    I've got 11.04 Xubuntu on my G4 Emac, rsavage has gone WAY out of his way to help me get this far (THANK YOU!)

    I've got a bootstrap mounted on the desktop as well. Xubuntu responds as quickly as molasses pours.

    CPU info:
    Tasks: 146 total, 5 running, 141 sleeping, 0 stopped, 0 zombie
    Cpu(s): 77.8%us, 21.9%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.3%hi, 0.0%si, 0.0%st
    Mem: 635500k total, 467068k used, 168432k free, 34564k buffers
    Swap: 1687984k total, 0k used, 1687984k free, 204756k cached

    PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    688 root 20 0 316m 57m 7588 S 19.7 9.2 0:34.58 Xorg
    17469 user 20 0 379m 72m 33m R 11.1 11.7 0:46.45 firefox
    15471 root 20 0 16036 3936 3260 S 10.5 0.6 0:39.94 udisks-daemon
    15585 user 20 0 11660 3952 3316 S 9.9 0.6 0:37.87 gvfs-gdu-volume
    15258 user 20 0 128m 15m 11m R 7.3 2.4 0:28.40 update-notifier
    314 messageb 20 0 4428 1836 876 S 6.4 0.3 0:25.71 dbus-daemon

    Sounds to me like we're having the same problem.
    Last edited by Ms. Daisy; October 15th, 2011 at 03:08 PM.

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