lkml.org 
[lkml]   [2009]   [Jan]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [bisected] 2.6.29-rc1 Firefox crashing on page load
    Justin Madru wrote:
    > Hiroshi Shimamoto wrote:
    >> Justin Madru wrote:
    >>
    >>> Hiroshi Shimamoto wrote:
    >>>
    >>>> Justin Madru wrote:
    >>>>
    >>>>> Ok, finally bisected the bug, but the commit isn't related to networking!
    >>>>> I did: git revert 4217458dafaa57d8e26a46f5d05ab8c53cf64191
    >>>>> on current git and that fixed the bug.
    >>>>>
    >>>>> By the way, how do I undo my git revert, so I'm back to a pristine tree?
    >>>>> I want to drop my changes - the revert.
    >>>>> Also how do I find the commit that merged/pulled in this commit?
    >>>>>
    >>>>> commit 4217458dafaa57d8e26a46f5d05ab8c53cf64191
    >>>>> Author: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
    >>>>> Date: Fri Dec 5 17:17:09 2008 -0800
    >>>>>
    >>>>> x86: signal: change type of paramter for sys_rt_sigreturn()
    >>>>>
    >>>>> Impact: cleanup on 32-bit
    >>>>>
    >>>>> Peter pointed this parameter can be changed.
    >>>>>
    >>>>> Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
    >>>>> Signed-off-by: Ingo Molnar <mingo@elte.hu>
    >>>>>
    >>>> Hi,
    >>>> thanks for reporting.
    >>>>
    >>>> I'm not sure why this commit affects.
    >>>> Can you check vmlinux? size, objdump, etc.
    >>>> On my environment, the generated code looks same.
    >>>>
    >>>> Thanks,
    >>>> Hiroshi
    >>>>
    >>>>
    >>> I tried to do an objdump but it gave an error. How am I suppose to do an
    >>> objdump?
    >>>
    >>> $ objdump -x /boot/vmlinuz-2.6.29-rc2-git
    >>> objdump: /boot/vmlinuz-2.6.29-rc2-git: File format not recognized
    >>> $ readelf -a /boot/vmlinuz-2.6.29-rc2-git
    >>> readelf: Error: Unable to seek to 0xc031f2eb for section headers
    >>> readelf: Error: Not an ELF file - it has the wrong magic bytes at the start
    >>> $ ls -la /boot/vmlinuz-2.6.29-rc2-git
    >>> -rw-r--r-- 1 root root 2286480 2009-01-19 18:44 /boot/vmlinuz-2.6.29-rc2-git
    >>>
    >> not vmlinuz, vmlinux.
    >> vmlinuz is a compressed kernel, it is not ELF file.
    >> Usually vmlinux is generated in top of source directory.
    >> I can see disassembled image with objdump -d vmlinux.
    >>
    >> Thanks,
    >> Hiroshi
    >>
    >>
    > Sorry, didn't know. I tried objdump -d vmlinux, but the resulting file
    > is ~50MB!
    > Is there a smaller section you're interested in, because that would be
    > hard to send.
    > Or am I doing it wrong again?

    that's OK. No need to send the disassembled result.
    You can diff disassembled file.
    I guess your GCC generates different code when the patch is reverted.

    Thanks,
    Hiroshi


    \
     
     \ /
      Last update: 2009-01-20 20:51    [W:0.028 / U:92.080 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site