Date: Wed, 19 Apr 2006 19:12:25 +0300 From: Iasen Kostov <tbyte@otel.net> To: FreeBSD Net <freebsd-net@freebsd.org> Subject: ndis wrapper missing some functions. Message-ID: <1145463145.8789.15.camel@DraGoN.OTEL.net>
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Hello
A friend of mine has Compaq nx6125 with onboard wireless BCM9 4318
MPG. (pciconf -lv :
none3@pci2:2:0: class=0x028000 card=0x1356103c chip=0x431814e4 rev=0x02
hdr=0x00
vendor = 'Broadcom Corporation'
class = network
)
When I create KLD with ndisgen (everything works perfect there) I get
this upon loading :
no match for strrchr
no match for MmFreeContiguousMemorySpecifyCache
no match for MmAllocateContiguousMemorySpecifyCache
no match for MmGetPhysicalAddress
ndis0: <Broadcom 802.11b/g WLAN> mem 0xd0010000-0xd0011fff irq 22 at
device 2.0 on pci2
ndis0: NDIS API version: 5.1
ntoskrnl dummy called...
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x1a
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc6f01179
stack pointer = 0x28:0xe5453720
frame pointer = 0x28:0xe5453734
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 = 855 (kldload)
trap number = 12
panic: page fault
Uptime: 29m3s
It looks like ndiswrapper does not implement the 3 funcs strrchr(),
MmFreeContiguousMemorySpecifyCache(),
MmAllocateContiguousMemorySpecifyCache() and MmGetPhysicalAddress() and
I can assume that "ntoskrnl dummy called..." means that they are
substituted with a stub funcs. But memory allocation functions don't
like stubs and that's probably the reason for the panic. I thinks it
will be easy to implement strrchr() but other 3 are out of my
experties :).
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