Date: Thu, 11 Jan 2007 00:34:27 +0300 From: pluknet <pluknet@gmail.com> To: freebsd-stable@freebsd.org Subject: ng_ubt(?) related kernel panic on 6.2-PRE Message-ID: <a31046fc0701101334i427ebe92o21cddb2c384318e3@mail.gmail.com>
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------=_Part_20518_2846615.1168464867818 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline 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 with the Fn key. The module was loaded via ng_ubt_load="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=0x81, bulk-in=0x82, bulk-out=0x2 ubt0: Interface 1 (alt.config 5) endpoints: isoc-in=0x83, isoc-out=0x3; wMaxPacketSize=49; nframes=6, buffer size=294 ... 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 ------=_Part_20518_2846615.1168464867818 Content-Type: application/octet-stream; name=dmesg Content-Transfer-Encoding: base64 X-Attachment-Id: f_ews9pbva Content-Disposition: attachment; filename="dmesg" Q29weXJpZ2h0IChjKSAxOTkyLTIwMDYgVGhlIEZyZWVCU0QgUHJvamVjdC4KQ29weXJpZ2h0IChj KSAxOTc5LCAxOTgwLCAxOTgzLCAxOTg2LCAxOTg4LCAxOTg5LCAxOTkxLCAxOTkyLCAxOTkzLCAx OTk0CglUaGUgUmVnZW50cyBvZiB0aGUgVW5pdmVyc2l0eSBvZiBDYWxpZm9ybmlhLiBBbGwgcmln aHRzIHJlc2VydmVkLgpGcmVlQlNEIGlzIGEgcmVnaXN0ZXJlZCB0cmFkZW1hcmsgb2YgVGhlIEZy ZWVCU0QgRm91bmRhdGlvbi4KRnJlZUJTRCA2LjItUFJFUkVMRUFTRSAjMTM6IFdlZCBKYW4gIDMg MTY6MDQ6MDQgTVNLIDIwMDcKICAgIHJvb3RAbm90ZWJvb2suaDM6L3Vzci9zcmMvc3lzL2kzODYv Y29tcGlsZS9NWUtFUk5FTApUaW1lY291bnRlciAiaTgyNTQiIGZyZXF1ZW5jeSAxMTkzMDgxIEh6 IHF1YWxpdHkgMApDUFU6IEludGVsKFIpIFBlbnRpdW0oUikgTSBwcm9jZXNzb3IgMS42MEdIeiAo 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