Date: Tue, 21 Apr 2009 21:23:12 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Cc: usb@freebsd.org, current@freebsd.org, wsk <wsk@gddsn.org.cn> Subject: Re: boot panic on current(04.20) Message-ID: <200904212123.14016.hselasky@c2i.net> In-Reply-To: <49ED3E7D.8080606@gddsn.org.cn> References: <49ED3E7D.8080606@gddsn.org.cn>
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On Tuesday 21 April 2009, wsk wrote: > lists > boot panic on current(2009.04.20).it seems caused by usbus4 > > Root mount waiting for: usbus4 > uhub4: 8 ports with 8 removable, self powered > Root mount waiting for: usbus4 > ugen4.2: <NEC> at usbus4 > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0x0 > fault code = supervisor read, page not present > instruction pointer = 0x20:0xc08ed3a3 > stack pointer = 0x28:0xe4c38b40 > frame pointer = 0x28:0xe4c38b44 > 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 (usbus4) > trap number = 12 > panic: page fault > cpuid = 0 > uptime: 5s > Cannot dump. Device not defined or unavailable. > Can you compile a kernel with debugging and get a backtrace? Is the panic reproducible? --HPS
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