lkml.org 
[lkml]   [2007]   [Sep]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: cpu hotplug support broken in 2.6.23-rc3
    Date
    On Monday, 3 September 2007 05:47, Pavel Machek wrote:
    > Hi!
    >
    > > > Can you try 20-or-so tests? Mine hangs randomly, so it survived 4 or
    > > > so cycles at one point.
    > >
    > > Mine still survives with this ... with sleep 1 ...
    > >
    > > # for((i=0; i<100; i++)); do echo $i; echo $((i % 2))
    > > >/sys/devices/system/cpu/cpu1/online; sleep 1; done
    > >
    > > and this as well ... without sleep ...
    > >
    > > # for((i=0; i<100; i++)); do echo $i; echo $((i % 2))
    > > >/sys/devices/system/cpu/cpu1/online; done
    > >
    > > I'm on reiserfs. gcc 3.4.5. Config sent to you seperately so as not to
    > > cloud lkml. If anyone wants the config, please let me know. Is mime
    > > "attachment" acceptable now on lkml?
    >
    > Ok, so it gets weirder. I have now machine in "hung" state; other
    > consoles still work, but there are no timers - sleep 1 hangs forever.
    >
    > sysrq-t shows kstopmachine hung in hrtimer_try_to_cancel.
    >
    > So I indeed suspect difference-in-kconfig to trigger this, and will
    > try disabling noidlehz.

    I would unset CONFIG_HIGH_RES_TIMERS for starters.

    Well, I guess Thomas should know about that. ;-)

    Greetings,
    Rafael
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-09-03 12:11    [W:3.544 / U:0.008 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site