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Thread: 3.11.0-031100rc6 is out

  1. #11
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    Re: 3.11.0-031100rc6 is out

    Quote Originally Posted by VinDSL View Post
    I have a sneaking suspicion that 3.11.0-031100rc6 was built on a broken RC release.

    SOURCE: http://www.eweek.com/developer/linux...es-in-one-day/



    It affected multiple releases.

    I'd be willing to bet our mainline kernel RC contains the bogus patch.
    Good to know Thanks VinDSL!
    I have narrowed my problem down to firefox(print to pdf) Chrome & Chromium both print to pdf, but firefox will print to printer fine?
    Tested on kernels" 3.8" & "3.10RC7" & "3.11RC5" & "3.11RC6" in a Unity session and Gnome Shell session..
    Last edited by runrickus; August 23rd, 2013 at 02:42 AM.

  2. #12
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    Re: 3.11.0-031100rc6 is out

    @VinDSL: Thanks for your research.

    If I understand correctly, then I would expect 3.10.7 to work, 3.10.8 to have the issue, and 3.10.9 to work.
    Note that in all my kernels tests earlier, I had only tested 3.10.0 of the 3.10 series, as well as some 3.10RC's that I still had lying around.

    Results:
    Ubuntu 3.10.7 = No problem
    Ubuntu 3.10.8 = Problem
    Ubuntu 3.10.9 = Problem
    Any follow-up information on your issue would be appreciated. Please have the courtesy to report back.

  3. #13
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    Re: 3.11.0-031100rc6 is out

    Quote Originally Posted by runrickus View Post
    Good to know Thanks VinDSL!
    I have narrowed my problem down to firefox(print to pdf) Chrome & Chromium both print to pdf, but firefox will print to printer fine?
    Tested on kernels" 3.8" & "3.10RC7" & "3.11RC5" & "3.11RC6" in a Unity session and Gnome Shell session..
    I have deleted my .mozilla file.
    and all is good now.
    I was using a backup of .mozilla and some where along the way must have got corrupt.
    But all is good now..

  4. #14
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    Re: 3.11.0-031100rc6 is out

    As for my issue, I have bisected the kernel (the kernel.org one, not the Ubuntu version). I got to this:
    Code:
    doug@s15:~/temp-k-git-3.10rc4/linux$ git bisect good
    df54d6fa54275ce59660453e29d1228c2b45a826 is the first bad commit
    commit df54d6fa54275ce59660453e29d1228c2b45a826
    Author: Radu Caragea <sinaelgl@gmail.com>
    Date:   Tue Aug 13 16:00:59 2013 -0700
    
        x86 get_unmapped_area(): use proper mmap base for bottom-up direction
    
        When the stack is set to unlimited, the bottomup direction is used for
        mmap-ings but the mmap_base is not used and thus effectively renders
        ASLR for mmapings along with PIE useless.
    
        Cc: Michel Lespinasse <walken@google.com>
        Cc: Oleg Nesterov <oleg@redhat.com>
        Reviewed-by: Rik van Riel <riel@redhat.com>
        Acked-by: Ingo Molnar <mingo@kernel.org>
        Cc: Adrian Sendroiu <molecula2788@gmail.com>
        Cc: <stable@vger.kernel.org>
        Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
        Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
    
    :040000 040000 9d054e9ab380db34b08997eedad425cbe9a141d7 a58a8eb56de71e8274a27138ad954cffa00530cd M      arch
    :040000 040000 8b30c6461199a89c2f758c714c0bb6571a332821 a42a205de2ee8760bbca2d4df5c31bd20fac8760 M      include
    doug@s15:~/temp-k-git-3.10rc4/linux$
    While I have tried about 3 or 4 times before, this is the first time I have ever been able to complete a kernel bisection. Looking up that commit, it is pretty simple. My launchpad bug report was set to invalid, so even though I was unclear as to project and component, I filed another at bugzilla.
    Any follow-up information on your issue would be appreciated. Please have the courtesy to report back.

  5. #15
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    Re: 3.11.0-031100rc6 is out

    The issue I was complaining about in this thread has been fixed in 3.11RC7.
    Specifically, the one line in the one file that I had isolated it to has been changed again:
    Code:
    doug@s15:~/temp-k-git-3.10rc4/linux/arch/x86/kernel$ diff -u sys_x86_64.c.original sys_x86_64.c
    --- sys_x86_64.c.original       2013-08-23 23:55:39.947039089 -0700
    +++ sys_x86_64.c        2013-08-25 23:46:04.401893263 -0700
    @@ -101,7 +101,7 @@
                                    *begin = new_begin;
                    }
            } else {
    -               *begin = mmap_legacy_base();
    +               *begin = current->mm->mmap_legacy_base;
                    *end = TASK_SIZE;
            }
     }
    I have not yet found (or even tried) a reference commit number.
    Any follow-up information on your issue would be appreciated. Please have the courtesy to report back.

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