[lkml]   [2009]   [Mar]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: PROBLEM: kernel BUG at mm/slab.c:3002!
    On Tue, 2009-03-10 at 13:29 -0400, Alan D. Brunelle wrote:
    > Matt Mackall wrote:
    > > On Tue, 2009-03-10 at 11:16 -0400, Alan D. Brunelle wrote:
    > >> Running blktrace & I/O loads cause a kernel BUG at mm/slab.c:3002!.
    > >
    > > Pid: 11346, comm: blktrace Tainted: G B 2.6.29-rc7 #3 ProLiant
    > > DL585 G5
    > >
    > > That 'B' there indicates you've hit 'bad page' before this. That bug
    > > seems to be strongly correlated with some form of hardware trouble.
    > > Unfortunately, that makes everything after that point a little suspect.
    > /If/ it were a hardware issue, that might explain the subsequent issue
    > when I switched to SLUB instead...

    Well it was almost certainly not a bug in SLAB itself (and your SLUB
    test is obviously quite conclusive there). We'd have lots of reports.
    It's probably too early to conclude it's hardware though.

    > How does one look for "bad page reports"?

    It'll look something like this (pasted from Google):

    >> kernel: Bad page state at free_hot_cold_page (in process 'beam',
    >> page c1a95320)
    >> kernel: flags:0x40020118 mapping:f401adc0 mapped:0 count:0
    >> private:0x00000000

    -- : development and support for Mercurial and Linux

     \ /
      Last update: 2009-03-10 18:47    [W:0.022 / U:1.660 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site