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SubjectRe: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U8
On Wed, 20 Oct 2004, Alexander Batyrshin wrote:

>
>
> Ingo Molnar wrote:
> > i have released the -U8 Real-Time Preemption patch:
> >
> > http://redhat.com/~mingo/realtime-preempt/realtime-preempt-2.6.9-rc4-mm1-U8
> >
>
> 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
> Warning: dev (pts0) tty->count(17) != #fd's(13) in tty_open
> Warning: dev (pts0) tty->count(18) != #fd's(16) in tty_open
> Warning: dev (pts0) tty->count(18) != #fd's(16) in tty_open
> Warning: dev (pts0) tty->count(18) != #fd's(16) in tty_open
> Warning: dev (pts0) tty->count(19) != #fd's(16) in tty_open
> Warning: dev (pts0) tty->count(19) != #fd's(16) in release_dev
> Warning: dev (pts0) tty->count(18) != #fd's(16) in tty_open
> Warning: dev (pts0) tty->count(18) != #fd's(16) in tty_open
> Warning: dev (pts0) tty->count(19) != #fd's(17) in tty_open
> Warning: dev (pts0) tty->count(19) != #fd's(17) in release_dev
> Warning: dev (pts0) tty->count(18) != #fd's(17) in tty_open
> Warning: dev (pts0) tty->count(18) != #fd's(17) in tty_open
> Warning: dev (pts0) tty->count(19) != #fd's(17) in release_dev
> Warning: dev (pts0) tty->count(17) != #fd's(18) in release_dev
> Warning: dev (pts0) tty->count(16) != #fd's(19) in release_dev
> Warning: dev (pts0) tty->count(15) != #fd's(18) in release_dev
> Warning: dev (pts0) tty->count(14) != #fd's(18) in release_dev
> Warning: dev (pts0) tty->count(14) != #fd's(18) in release_dev
> Warning: dev (pts0) tty->count(13) != #fd's(18) in tty_open
> Warning: dev (pts0) tty->count(14) != #fd's(19) in release_dev
> Warning: dev (pts0) tty->count(13) != #fd's(18) in release_dev
> Warning: dev (pts0) tty->count(13) != #fd's(17) in release_dev
> Warning: dev (pts0) tty->count(12) != #fd's(18) in tty_open
> Warning: dev (pts0) tty->count(12) != #fd's(18) in release_dev
> Warning: dev (pts0) tty->count(12) != #fd's(18) in release_dev
> Warning: dev (pts0) tty->count(28) != #fd's(16) in tty_open
> Warning: dev (pts0) tty->count(528) != #fd's(13) in tty_open
> Warning: dev (pts0) tty->count(528) != #fd's(13) in release_dev
> Warning: dev (pts0) tty->count(527) != #fd's(12) in tty_open
> Warning: dev (pts0) tty->count(528) != #fd's(12) in release_dev
> Warning: dev (pts0) tty->count(538) != #fd's(28) in release_dev
> Warning: dev (pts0) tty->count(537) != #fd's(528) in tty_open
> Warning: dev (pts0) tty->count(537) != #fd's(527) in release_dev
> Warning: dev (pts0) tty->count(536) != #fd's(527) in tty_open
> Warning: dev (pts0) tty->count(536) != #fd's(527) in tty_open
> Warning: dev (pts0) tty->count(536) != #fd's(527) in release_dev
> Warning: dev (pts0) tty->count(535) != #fd's(527) in tty_open
> Warning: dev (pts0) tty->count(535) != #fd's(530) in tty_open
> [...skip...]
> Warning: dev (pts0) tty->count(11) != #fd's(71) in release_dev
> Warning: dev (pts0) tty->count(10) != #fd's(71) in release_dev
> Warning: dev (pts0) tty->count(9) != #fd's(71) in release_dev
> Warning: dev (pts0) tty->count(8) != #fd's(71) in release_dev
> Warning: dev (pts0) tty->count(7) != #fd's(71) in release_dev
> Warning: dev (pts0) tty->count(6) != #fd's(71) in release_dev
> Warning: dev (pts0) tty->count(5) != #fd's(71) in release_dev
> Warning: dev (pts0) tty->count(4) != #fd's(71) in release_dev
> Warning: dev (pts0) tty->count(3) != #fd's(71) in release_dev
> eggcups: page allocation failure. order:1, mode:0x20
> [<c01439d8>] __alloc_pages+0x228/0x3ff (8)
> [<c0143bce>] __get_free_pages+0x1f/0x3b (68)
> [<c014719c>] kmem_getpages+0x25/0xe0 (8)
> [...skip...]

I got something like this too, just now. Not doing anything special(tty7
holds xdm).

Warning: dev (pts7) tty->count(4) != #fd's(3) in tty_open
Warning: dev (pts7) tty->count(4) != #fd's(3) in release_dev
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