Date: Fri, 13 Jul 2007 11:46:04 -0500 From: Eric Anderson <anderson@freebsd.org> To: Harald Schmalzbauer <h.schmalzbauer@omnisec.de> Cc: freebsd-current@freebsd.org Subject: Re: kqemu crash (page fault) with -current Message-ID: <4697AC4C.7080901@freebsd.org> In-Reply-To: <200707131834.27131.h.schmalzbauer@omnisec.de> References: <200707131834.27131.h.schmalzbauer@omnisec.de>
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Harald Schmalzbauer wrote: > Hello, > > today I tried qemu for the first time and I love it. > Now I'd need some speed and tried kqemu, but it immediately reboots my > machine. > Here is what I could transcribe: > > Fatal trap 12: page fault while in kernel mode > cpuid = 1; apic id = 01 > faulkt virtual address = 0x82 > fault code = supervisor read, page not present > instruction pointer = 0x20:0xc0670545 > stack pointer = 0x28:0xe71e5a3c > frame pointer = 0x28:0xe71e5a50 > code segment = bas 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 1461 (qemu) > [thread pid 1461 tid 100088] > Stopped at _vm_map_lock+0x10: cmpb $0,0x81(%ebx) > db> bt > Tracing pid 1461 tid 100088 td 0xc4995800 > _vm_map_lock(1,c070cbb4,7ac,c07344c4,c0714b73,...) at _vm_map_lock+0x10 > vm_map_wire(1,285f6000,285f7000,1,116,...) at vm_map_wire+0x33 > kqemu_lock_user_page(e71e5af4,285f6000,f01d2000,285f6000,0,...) at > kqemu_lock_user_page+0x38 > mon_user_map() at mon_user_map+0xe7 > > Any help appreciated. See the other thread in emulation@. Basically, you need to recompile kqemu-kmod with -DKSE. Eric
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