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Date:      Sat, 25 Feb 2006 15:38:36 +0100
From:      Markus Brueffer <markus@brueffer.de>
To:        freebsd-current@freebsd.org
Subject:   Re: [PATCH] kbdmux(4) update
Message-ID:  <200602251538.54403.markus@brueffer.de>
In-Reply-To: <43FF986E.9030205@savvis.net>
References:  <43FF986E.9030205@savvis.net>

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Maksim,

Am Saturday 25 February 2006 00:36 schrieb Maksim Yevmenkin:
[...]
> the following patch should fix the problem with kbdmux(4). please give
> it a try and let me know if it works for you.
[...]

Great work! With this patch I'm currently working since half an hour with a=
=20
PS/2 mouse, a Bluetooth mouse, a PS/2 keyboard and a Bluetooth mouse in=20
parallel without any ill effects. Without it, the machine froze within=20
seconds.

Btw: I'm getting LORs from vkbd(4) when working with the bluetooth keyboard=
=20
(6-STABLE from about an hour ago with the kndmux patch):

Calling uiomove() with the following non-sleepable locks held:
exclusive sleep mutex vkbd_lock r =3D 0 (0xc5c5b984) locked=20
@ /usr/src/sys/modules/vkbd/../../dev/vkbd/vkbd.c:354
KDB: stack backtrace:
kdb_backtrace(1,c5c5b800,1,e9e3ccbc,e9e3cbc8) at kdb_backtrace+0x29
witness_warn(5,0,c06f3d9b,c0d2511f,0) at witness_warn+0x18e
uiomove(c5c5b884,4,e9e3ccbc,c5c5b984,0) at uiomove+0x56
vkbd_dev_write(c5ffde00,e9e3ccbc,0,c076a740,0) at vkbd_dev_write+0x160
giant_write(c5ffde00,e9e3ccbc,0,c5ffde00,c0d27a40) at giant_write+0x2d
devfs_write_f(c5f4a0d8,e9e3ccbc,c6027580,0,c60d9c00) at devfs_write_f+0x7b
dofilewrite(c60d9c00,5,c5f4a0d8,e9e3ccbc,ffffffff) at dofilewrite+0x77
kern_writev(c60d9c00,5,e9e3ccbc,bfbfdfd0,4) at kern_writev+0x3b
write(c60d9c00,e9e3cd04,3,151,202) at write+0x45
syscall(3b,3b,3b,bfbfdfd0,4) at syscall+0x22f
Xint0x80_syscall() at Xint0x80_syscall+0x1f
=2D-- syscall (4, FreeBSD ELF32, write), eip =3D 0x28136b7f, esp =3D 0xbfbf=
dfac, ebp=20
=3D 0xbfbfe0e8 ---

Markus

=2D-=20
Markus Brueffer =9A =9A| GPG-Key: http://people.FreeBSD.org/~markus/markus.=
asc
markus@brueffer.de | FP: 3F9B EBE8 F290 E5CC 1447 8760 D48D 1072 78F8 A8D4
markus@FreeBSD.org | FreeBSD: The Power to Serve!

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