Date: Sat, 15 Aug 2009 19:00:36 +0200 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-current@freebsd.org, alfred@freebsd.org Subject: Re: snd_uaudio: Fatal trap 12: page fault while in kernel mode Message-ID: <20090815190036.79ea2f73@r500.local> In-Reply-To: <200908151821.33881.hselasky@c2i.net> References: <20090815174339.6317be31@r500.local> <200908151821.33881.hselasky@c2i.net>
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--Sig_/ii6/M/P9bx7VDM/8vQP+aKt Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hans Petter Selasky <hselasky@c2i.net> wrote: > On Saturday 15 August 2009 17:43:39 Fabian Keil wrote: > > I reproducible get the following panic less than a second after > > inserting a Turtle Beach AudioAdvantage stick with the snd_uaudio > > module loaded: > > cpuid =3D 0; apic id =3D 00 > > fault virtual address =3D 0x20 > > fault code =3D supervisor read data, page not present > > instruction pointer =3D 0x20:0xffffffff803f31c1 > > stack pointer =3D 0x28:0xffffff803a393440 > > frame pointer =3D 0x28:0xffffff803a393460 > > code segment =3D base 0x0, limit 0xfffff, type 0x1b > > =3D DPL 0, pres 1, long 1, def32 0, gran 1 > > processor eflags =3D resume, IOPL =3D 0 > > current process =3D 36 (usbus4) > > panic: from debugger > > cpuid =3D 0 > > Uptime: 2m12s > > #9 0xffffffff805ad04e in trap (frame=3D0xffffff803a393390) at > > /usr/src/sys/amd64/amd64/trap.c:345 #10 0xffffffff805943f3 in calltrap = () > > at /usr/src/sys/amd64/amd64/exception.S:224 #11 0xffffffff803f31c1 in > > turnstile_broadcast (ts=3D0x0, queue=3D0) at > > /usr/src/sys/kern/subr_turnstile.c:831 #12 0xffffffff803aee70 in > > _mtx_unlock_sleep (m=3D0xffffffff81e37120, opts=3DVariable "opts" is not > > available. ) at /usr/src/sys/kern/kern_mutex.c:677 > > #13 0xffffffff80331d4f in usbd_do_request_flags (udev=3D0xffffff003fcfe= 000, > > mtx=3D0xffffffff81e37120, req=3D0xffffff803a393550, data=3D0xffffff803a= 393560, > > flags=3D0, actlen=3D0x0, timeout=3D5000) at > > /usr/src/sys/dev/usb/usb_request.c:312 > > #14 0xffffffff824272e2 in uaudio_mixer_get (udev=3DVariable "udev" is n= ot > > available. ) at > > /usr/src/sys/modules/sound/driver/uaudio/../../../../dev/sound/usb/uaud= io.c > >:2961 #15 0xffffffff8242741a in uaudio_mixer_add_ctl (sc=3D0xffffff003f3= c3000, > > mc=3D0xffffff803a3938a0) at > > /usr/src/sys/modules/sound/driver/uaudio/../../../../dev/sound/usb/uaud= io.c > >:1604 #16 0xffffffff82429165 in uaudio_attach (dev=3D0xffffff003f723400)= at > > /usr/src/sys/modules/sound/driver/uaudio/../../../../dev/sound/usb/uaud= io.c > >:1944 #17 0xffffffff803e1569 in device_attach (dev=3D0xffffff003f723400)= at > > device_if.h:178 #18 0xffffffff80326941 in usb_probe_and_attach_sub > > (udev=3D0xffffff003fcfe000, uaa=3D0xffffff803a393ae0) at > > /usr/src/sys/dev/usb/usb_device.c:1146 #19 0xffffffff80326dfd in > > usb_probe_and_attach (udev=3D0xffffff003fcfe000, iface_index=3DVariable > > "iface_index" is not available. ) at /usr/src/sys/dev/usb/usb_device.c:= 1305 > > #20 0xffffffff8032f7ca in uhub_explore (udev=3D0xffffff000380a000) at > > /usr/src/sys/dev/usb/usb_hub.c:238 #21 0xffffffff8031be61 in > > usb_bus_explore (pm=3DVariable "pm" is not available. ) at > > /usr/src/sys/dev/usb/controller/usb_controller.c:235 > > #22 0xffffffff803319f0 in usb_process (arg=3DVariable "arg" is not avai= lable. > > ) at /usr/src/sys/dev/usb/usb_process.c:161 > > #23 0xffffffff80398182 in fork_exit (callout=3D0xffffffff80331930 > > <usb_process>, arg=3D0xffffff80002dee88, frame=3D0xffffff803a393c80) at > > /usr/src/sys/kern/kern_fork.c:838 #24 0xffffffff805948ce in fork_trampo= line > > () at /usr/src/sys/amd64/amd64/exception.S:561 #25 0x0000000000000000 i= n ?? > > () > > #26 0x0000000000000000 in ?? () > > #27 0x0000000000000001 in ?? () > > #28 0x0000000000000000 in ?? () > > > > This is on: > > FreeBSD 8.0-BETA2 #3: Fri Aug 14 15:19:08 CEST 2009 > > fk@r500.local:/usr/obj/usr/src/sys/ZOEY amd64 but also happens with a > > slightly older kernel on i386. > This issue should have been solved, but it looks like not committed to 8- > current yet. >=20 > Try fetching latest uaudio.c from USB P4: >=20 > http://perforce.freebsd.org/chv.cgi?CH=3D167030 > http://perforce.freebsd.org/chv.cgi?CH=3D167032 Applying these changes indeed solved the problem and the stick is working n= ow. Thanks a lot. Fabian --Sig_/ii6/M/P9bx7VDM/8vQP+aKt Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (FreeBSD) iEYEARECAAYFAkqG6boACgkQBYqIVf93VJ097QCgmzqRJiV+UW+TqecN4higAt2e y14An1R93DHQl8dBIEQBT5oDdaW79Lbp =7Cm2 -----END PGP SIGNATURE----- --Sig_/ii6/M/P9bx7VDM/8vQP+aKt--
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