Date: Wed, 10 Jan 2007 23:49:44 +0100 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: pluknet <pluknet@gmail.com>, freebsd-stable@freebsd.org Subject: Re: ng_ubt(?) related kernel panic on 6.2-PRE Message-ID: <op.tlym06yq8527sy@guido.klop.ws> In-Reply-To: <a31046fc0701101334i427ebe92o21cddb2c384318e3@mail.gmail.com> References: <a31046fc0701101334i427ebe92o21cddb2c384318e3@mail.gmail.com>
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I can't help you, but you might also send this to the freebsd-bluetooth = = mailinglist. Ronald. On Wed, 10 Jan 2007 22:34:27 +0100, pluknet <pluknet@gmail.com> wrote: > hi all. > > i got a panic when attached and then detached the ubt0 device just > after a few seconds. > Actually, it is a built-in bluetooth device in my laptop, operated wit= h > the Fn key. > > The module was loaded via > ng_ubt_load=3D"YES" > in loader.conf > > FreeBSD notebook.h3 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #13: Wed Jan= > 3 16:04:04 MSK 2007 > root@notebook.h3:/usr/src/sys/i386/compile/MYKERNEL i386 > > part of dmesg: > ubt0: vendor 0x413c product 0x8000, rev 2.00/12.66, addr 2 > ubt0: vendor 0x413c product 0x8000, rev 2.00/12.66, addr 2 > ubt0: Interface 0 endpoints: interrupt=3D0x81, bulk-in=3D0x82, bulk-ou= t=3D0x2 > ubt0: Interface 1 (alt.config 5) endpoints: isoc-in=3D0x83, > isoc-out=3D0x3; wMaxPacketSize=3D49; nframes=3D6, buffer size=3D294 > ... > Jan 10 22:29:44 notebook savecore: reboot after panic: page fault > > kgdb bt shows: > #0 0xc04f663c in doadump () > #1 0xc04f6bbd in boot () > #2 0xc04f7193 in panic () > #3 0xc0672044 in trap_fatal () > #4 0xc06722fb in trap_pfault () > #5 0xc06726f0 in trap () > #6 0xc065f62a in calltrap () > #7 0xc049ccc9 in uhci_device_bulk_start () > #8 0xc04a72e6 in usb_transfer_complete () > #9 0xc049c6ac in uhci_idone () > #10 0xc049c879 in uhci_softintr () > #11 0xc049c500 in uhci_intr1 () > #12 0xc04dee8e in ithread_loop () > #13 0xc04dda2d in fork_exit () > #14 0xc065f68c in fork_trampoline () > > Since ng_ubt is a BT-USB interface, there is nothing extraordinary > in the above, i think. Though, maybe it is related to usb, not ubt. > > This is the first time i got this panic. Usually (i.e. until this > time) there was no panic related to ubt0. So, probably it is not > reproduceable :( > Unfortunately, the kernel didn't have any debug options when it > occurred. > > thanks. > pluknet -- = Ronald Klop Amsterdam, The Netherlands
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