lkml.org 
[lkml]   [2008]   [Jun]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [BUG] Lockless patches cause hardlock under heavy IO
    From
    Date
    On Wed, 2008-06-18 at 17:15 -0400, Ryan Hope wrote:
    > I applied the following patches from 2.6-26-rc5-mm3 to 2.6.26-rc6 and
    > they caused a hardlock under heavy IO:

    What kind of machine, how much memory, how many spindles, what
    filesystem and what is heavy load?

    Furthermore, try the NMI watchdog with serial/net-console to capture its
    output.

    > x86-implement-pte_special.patch
    > mm-introduce-get_user_pages_fast.patch
    > mm-introduce-get_user_pages_fast-fix.patch
    > mm-introduce-get_user_pages_fast-checkpatch-fixes.patch
    > x86-lockless-get_user_pages_fast.patch
    > x86-lockless-get_user_pages_fast-checkpatch-fixes.patch
    > x86-lockless-get_user_pages_fast-fix.patch
    > x86-lockless-get_user_pages_fast-fix-2.patch
    > x86-lockless-get_user_pages_fast-fix-2-fix-fix.patch
    > x86-lockless-get_user_pages_fast-fix-warning.patch
    > dio-use-get_user_pages_fast.patch
    > splice-use-get_user_pages_fast.patch
    > x86-support-1gb-hugepages-with-get_user_pages_lockless.patch
    > #
    > mm-readahead-scan-lockless.patch
    > radix-tree-add-gang_lookup_slot-gang_lookup_slot_tag.patch
    > #mm-speculative-page-references.patch: clameter saw bustage
    > mm-speculative-page-references.patch
    > mm-speculative-page-references-fix.patch
    > mm-speculative-page-references-fix-fix.patch
    > mm-speculative-page-references-hugh-fix3.patch
    > mm-lockless-pagecache.patch
    > mm-spinlock-tree_lock.patch
    > powerpc-implement-pte_special.patch
    >
    > I am on an x86_64. I dont know what other info you need...




    \
     
     \ /
      Last update: 2008-06-19 10:15    [W:0.021 / U:88.464 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site