lkml.org 
[lkml]   [2011]   [May]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] reboot: disable usermodehelper to prevent fs access
    On Thu, May 05, 2011 at 01:32:05PM +0200, Kay Sievers wrote:
    > From: Kay Sievers <kay.sievers@vrfy.org>
    > Subject: [PATCH] reboot: disable usermodehelper to prevent fs access
    >
    > In case CONFIG_UEVENT_HELPER_PATH is not set to "", which it
    > should be on every system, the kernel forks processes during
    > shutdown, which try to access the rootfs, even when the
    > binary does not exist. It causes exceptions and long delays in
    > the disk driver, which gets read requests at the time it tries
    > to shut down the disk.
    >
    > This patch disables all kernel-forked processes during reboot to
    > allow a clean poweroff.

    Should this also be backported to the -stable kernels as people are
    hitting this problem already today, right?

    thanks,

    greg k-h


    \
     
     \ /
      Last update: 2011-05-05 22:31    [W:2.789 / U:1.860 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site