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Date:      Sat, 8 Mar 2008 13:21:29 +0200
From:      Kostik Belousov <kostikbel@gmail.com>
To:        Oleg Sidorkin <window@ttk.ru>
Cc:        stable@freebsd.org
Subject:   Re: [Panic] Removing of the Palm during select syscall causes panic
Message-ID:  <20080308112129.GW57756@deviant.kiev.zoral.com.ua>
In-Reply-To: <200803080201.51851.window@ttk.ru>
References:  <200803080201.51851.window@ttk.ru>

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On Sat, Mar 08, 2008 at 02:01:51AM +0300, Oleg Sidorkin wrote:
> Hello,
>=20
> I'm running 7.0-Stable on the ASUS P5K-VM + Intel Q6600 box.
> If Palm device is disconnected after synchronization, system crashes with=
=20
> following stacktrace:
>=20
> #0  doadump () at pcpu.h:194
> #1  0x0000000000000004 in ?? ()
> #2  0xffffffff802bea49 in boot (howto=3D260)=20
> at /usr/src/sys/kern/kern_shutdown.c:409
> #3  0xffffffff802bee4d in panic (fmt=3D0x104 <Address 0x104 out of bounds=
>)=20
> at /usr/src/sys/kern/kern_shutdown.c:563
> #4  0xffffffff804ccc84 in trap_fatal (frame=3D0xffffff0041595350,=20
> eva=3D18446742974491038824) at /usr/src/sys/amd64/amd64/trap.c:724
> #5  0xffffffff804cd055 in trap_pfault (frame=3D0xffffffffaf7607d0, usermo=
de=3D0)=20
> at /usr/src/sys/amd64/amd64/trap.c:641
> #6  0xffffffff804cd998 in trap (frame=3D0xffffffffaf7607d0)=20
> at /usr/src/sys/amd64/amd64/trap.c:410
> #7  0xffffffff804b35fe in calltrap ()=20
> at /usr/src/sys/amd64/amd64/exception.S:169
> #8  0xffffffff8028d842 in giant_poll (dev=3D0xffffff000ddf6600, events=3D=
64,=20
> td=3D0xffffff0041595350) at /usr/src/sys/kern/kern_conf.c:385
> #9  0xffffffff8025474e in devfs_poll_f (fp=3DVariable "fp" is not availab=
le.
> ) at /usr/src/sys/fs/devfs/devfs_vnops.c:845
> #10 0xffffffff802f61f6 in kern_select (td=3D0xffffff0041595350, nd=3D11,=
=20
> fd_in=3D0x7fffffbfea90, fd_ou=3D0x0, fd_ex=3D0x0, tvp=3DVariable "tvp" is=
 not=20
> available.
> ) at file.h:277
> #11 0xffffffff802f6611 in select (td=3D0xffffff0041595350,=20
> uap=3D0xffffffffaf760be0) at /usr/src/sys/kern/sys_generic.c:663
> #12 0xffffffff804cd2d7 in syscall (frame=3D0xffffffffaf760c70)=20
> at /usr/src/sys/amd64/amd64/trap.c:852
> #13 0xffffffff804b380b in Xfast_syscall ()=20
> at /usr/src/sys/amd64/amd64/exception.S:290
> #14 0x0000000804579d6c in ?? ()
> Previous frame inner to this frame (corrupt stack?)
>=20
> Does anyone have any ideas?

I posted the patch several days ago, see
http://lists.freebsd.org/pipermail/freebsd-current/2008-March/084076.html

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