From: Marcel Holtmann <marcel@holtmann.org>
To: Jeffrey Arbuckle <jbarbuc@nmt.edu>
Cc: BlueZ Mailing List <bluez-users@lists.sourceforge.net>
Subject: Re: [Bluez-users] bthid and console switching
Date: Mon, 05 Jan 2004 02:54:19 +0100 [thread overview]
Message-ID: <1073267659.3804.13.camel@pegasus> (raw)
In-Reply-To: <Pine.LNX.4.44.0401031458050.20028-100000@speare5-1-11.nmt.edu>
Hi Jeffrey,
> I'm using the cvs bthid with kernel 2.6 with
> Microsoft's Bluetooth desktop.
>
> Everything is working great except when using the bluetooth
> keyboard to switch to console with CNTL-ALT-F[1-6] from xwindows.
>
> Doing so causes bthid to crash. Syslog reveals:
>
> Unable to handle kernel paging request at virtual address 00100100
> printing eip:
> c024b1ee
> *pde = 00000000
> Oops: 0000 [#1]
> CPU: 0
> EIP: 0060:[<c024b1ee>] Tainted: P
> EFLAGS: 00010246
> EIP is at mousedev_event+0x80/0x1fc
> eax: 00100100 ebx: 001000f8 ecx: 00100100 edx: f7264000
> esi: c03ae3a0 edi: 00000000 ebp: f7265efc esp: f7265ed4
> ds: 007b es: 007b ss: 0068
> Process bthid (pid: 902, threadinfo=f7264000 task=f7269310)
> Stack: f7d26900 0000001d 00020001 0000001e 00000001 f7272a00 c03ae3a0 00000000
> f7265f00 f7272a00 c03ae3a0 00000000 00000000 f7272a34 f723ce38 00000000
> 00000000 c024976b f7272a34 00000000 00000000 00000000 00000000 00000000
> Call Trace:
> [<c024976b>] input_event+0xef/0x3fa
> [<f8830541>] uinput_write+0xa9/0xd2 [uinput]
> [<c015beee>] vfs_write+0xbc/0x127
> [<c015bffe>] sys_write+0x42/0x63
> [<c010953b>] syscall_call+0x7/0xb
>
> Code: 8b 53 08 89 d1 0f 18 02 90 8d 56 2c 39 d0 75 cf 8b 44 24 10
>
> Note that when using a ps/2 keyboard and the bluetooth keyboard, the
> ps/2 keyboard will not cause bthid to crash when switching consoles, but the
> bluetooth keyboard will.
>
> After bthid crashes and the machine is in console, no input from the ps/2
> keyboard appears on the screen. However, CNTL-ALT-F7 returns the machine
> to xwindows where input from the ps/2 allows bthid to be run again.
> Bluetooth keyboard and mouse then work as normal but switching consoles
> repeats the cyle all over again.
I have no idea why this happens. Please run ksymoops on the oops. Do you
use a SMP or preempt kernel? Do it also fail if you don't connect the
mouse?
Regards
Marcel
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prev parent reply other threads:[~2004-01-05 1:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-03 22:14 [Bluez-users] bthid and console switching Jeffrey Arbuckle
2004-01-05 1:54 ` Marcel Holtmann [this message]
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