[lkml]   [2004]   [Oct]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U8

    * Alexander Batyrshin <> wrote:

    > used i386/defconfig

    > BUG: semaphore recursion deadlock detected!
    > .. current task khpsbpkt/723 is already holding c04610c0.

    ok, this should be fixed in -U9.2.

    > 2.
    > if execute
    > ``for i in `seq 1 9999`; do nohup bash >/dev/null 2>&1 & done'',
    > then you'll get something like:
    > [...skip...]
    > Warning: dev (pts0) tty->count(16) != #fd's(8) in tty_open
    > Warning: dev (pts0) tty->count(16) != #fd's(11) in tty_open

    > I'v tested it against linux-2.6.9-rc4-mm1 => all was ok

    i have trouble reproducing this myself. Can you still trigger it under
    -U9.2? If yes then could you check whether this still happens with a the
    same .config but with CONFIG_SMP turned off? This smells like a locking
    bug/breakage in the tty layer that we dont detect. You have all the
    relevant debug options turned on, correct? (DEBUG_PREEMPT and

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 14:07    [W:0.020 / U:24.064 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site