Date: Thu, 21 Jun 2007 11:24:25 +0400 From: "R.Mahmatkhanov" <cvs-src@yandex.ru> To: imp@bsdimp.com Cc: freebsd-usb@freebsd.org Subject: Re: Panic on post-freeze current with ucom Message-ID: <69191182410665@webmail17.yandex.ru>
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> In message: <4678D5FA.000001.31958@pantene.yandex.ru> > "R.Mahmatkhanov" <cvs-src@yandex.ru> writes: > : >In message: <46790374.8040903@yandex.ru> > : > "R.Mahmatkhanov" <cvs-src@yandex.ru> writes: > : >: Good Day. > : >: > : >: I just move to latest -current/i386 after the code freeze. And i catch > : >: 100% reproduceble panic condition. It happens when i plug my mobile > : >: phone to USB port. How it does: > : >: > : >: ucom0: <CURITEL Incorporated CURITEL HX-550C USB Modem, class 2/0, rev > : >: 1.10/0.00, addr 2> on uhub1 > : >: Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 > : >: fault virtual address = 0x4 > : >: fault code = supervisor read, page not present > : >: instruction pointer = 0x20: 0xc06ca396 > : >: stack pointer = 0x28: 0xdd30a760 > : >: frame pointer = 0x28: 0xdd30a760 > : >: code segment = base 0x0, limit 0xfffff, type = 0x1b, DPL 0, pres 1, > : >: = def32 1, gran 1 > : >: processor eflags = interrupt enabled, resume; IOPL = 0 > : >: current process = 28 (usb1) > : >: [thread pid 28 tid 100023] > : >: Stopped at usb_get_interface_descruptor+0x6: movl 0x4(%eax), %eax > : > > : >This looks like a null modem dereference. Which driver is causing > : >this? > : > > : >Warner > : > : It's umodem. > doh! > Consider applying It's now working again! Thank you much! > Index: umodem.c > > and letting me know the results. > Warner
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