Re: 8.0RC1 - Kernel panic when loading a ndisgen-generated module (rtl8180_sys)

2009/9/22 Paul B. Mahol <onemda_at_gmail.com>:
> On 9/22/09, Raphael Kubo da Costa <kubito_at_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.

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
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)
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)