Date: Thu, 24 Sep 2009 09:46:25 -0300 From: Raphael Kubo da Costa <kubito@gmail.com> To: "Paul B. Mahol" <onemda@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: 8.0RC1 - Kernel panic when loading a ndisgen-generated module (rtl8180_sys) Message-ID: <68c3445d0909240546n371fe467wbf7ffb7284a9099@mail.gmail.com> In-Reply-To: <3a142e750909240244h59a4a001o13a4a7a46e7a75a1@mail.gmail.com> References: <68c3445d0909212153rf19ec23p81ecc0a070f6d594@mail.gmail.com> <3a142e750909220343k153daac0xc00099fc09c176ac@mail.gmail.com> <68c3445d0909220551k33973d38iccf20c030a00b6c8@mail.gmail.com> <3a142e750909221420m29ae8302t71ed9558c77542f4@mail.gmail.com> <68c3445d0909221449g62904ae7pa4deb939baf4be1@mail.gmail.com> <3a142e750909221453l25d5dc8eifcbe70b39ced2ea8@mail.gmail.com> <68c3445d0909232143r623d9d2ex768578ff6c26d3b9@mail.gmail.com> <3a142e750909240244h59a4a001o13a4a7a46e7a75a1@mail.gmail.com>
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2009/9/24 Paul B. Mahol <onemda@gmail.com>: > On 9/24/09, Raphael Kubo da Costa <kubito@gmail.com> wrote: >> 2009/9/22 Paul B. Mahol <onemda@gmail.com>: >>> On 9/22/09, Raphael Kubo da Costa <kubito@gmail.com> wrote: >>>> While I'm not at home to do the other things you've mentioned: I don't >>>> even have time to run ifconfig - I've commented out the lines enabling >>>> ndis, if_ndis and rtl8180_sys in /boot/loader.conf. I just run kldload >>>> rtl8180_sys the kernel panics automatically. >>> >>> Just make sure you are using correct kernel source files(8.0 and not 7.X). >> >> Well, after trying to fix things I ended up with a system that >> wouldn't even boot. So I formatted everything and installed 8.0-RC1 >> from the DVD. > > Does this installation installed new 8.0-RC1 sources in /sys ? Yes. >> ndisgen worked fine and I was able to load the module I had generated. >> However, wpa_supplicant does not work, and always writes the following > > With what arguments did wpa_supplicant start? I just ran /etc/rc.d/netif restart, so I'm not 100% sure. -D ndis -i ndis0 -c /etc/wpa_supplicant.conf, I guess, since when I ran it with these arguments the same errors were printed. > >> error messages after I try to use /etc/rc.d/netif restart: >> >> Sep 24 01:30:53 borges wpa_supplicant[1689]: Failed to initialize >> driver interface >> ifconfig: ioctl(SIOCAIFADDR): Invalid argument >> ioctl[SIOCG80211, op 98, len 32]: Invalid argument >> >> When I unloaded the ndis, if_ndis and rtl8180_sys modules and tried to >> kldload the latter, the kernel panicked again. >> >> Fatal trap 12: page fault while in kernel mode >> cpuid = 0; apic id = 00 >> fault virtual address = 0xc4b3631a >> fault code = supervisor read, page not present >> instruction pointer = 0x20:0xc4b136b3 >> stack pointer = 0x28:0xe3617a44 >> frame pointer = 0x28:0xe3617aac >> 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 = 2223 (ifconfig) > > But ifconfig is here again. So panic did not happened while loading module. Is there anything I can do to get more information about this? > >> trap number = 12 >> panic: page fault >> cpuid = 0 >> Uptime: 6m6s >> Physical memory: 883 MB >> Dumping 69 MB: 54 38 22 6 >> >> >> Reading symbols from /boot/kernel/if_ndis.ko...Reading symbols from >> /boot/kernel/if_ndis.k >> o.symbols...done. >> done. >> Loaded symbols for /boot/kernel/if_ndis.ko >> Reading symbols from /boot/kernel/ndis.ko...Reading symbols from >> /boot/kernel/ndis.ko.symb >> ols...done. >> done. >> Loaded symbols for /boot/kernel/ndis.ko >> Reading symbols from /boot/modules/rtl8180_sys.ko...done. >> Loaded symbols for /boot/modules/rtl8180_sys.ko >> #0 doadump () at pcpu.h:246 >> 246 pcpu.h: No such file or directory. >> in pcpu.h >> (kgdb) #0 doadump () at pcpu.h:246 >> #1 0xc08823c7 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:416 >> #2 0xc08826b9 in panic (fmt=Variable "fmt" is not available. >> ) at /usr/src/sys/kern/kern_shutdown.c:579 >> #3 0xc0bb346c in trap_fatal (frame=0xe3617a04, eva=3300090650) >> at /usr/src/sys/i386/i386/trap.c:933 >> #4 0xc0bb36f0 in trap_pfault (frame=0xe3617a04, usermode=0, eva=3300090650) >> at /usr/src/sys/i386/i386/trap.c:846 >> #5 0xc0bb40d5 in trap (frame=0xe3617a04) at >> /usr/src/sys/i386/i386/trap.c:528 >> #6 0xc0b96a4b in calltrap () at /usr/src/sys/i386/i386/exception.s:165 >> #7 0xc4b136b3 in ndis_rtl8180_sys_drv_data_start () >> from /boot/modules/rtl8180_sys.ko >> Previous frame inner to this frame (corrupt stack?) >> (kgdb) >> > > The backtrace is useless - dead end. > > -- > Paulhelp
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