Re: freebsd 8-rc1 + coredump

On Tue, 2009-09-29 at 12:53 +0200, Carlos wrote:
> On 9/29/09, Carlos <decvt100_at_gmail.com> wrote:
> >> When WOW ( World Of Warcraft ) is loaded under wine and it has
> >> stablished connection with master server my internet connection goes
> >> down if I start playing the game.
> >> Once this happened I manually run /etc/rc.d/netid restart to restart
> >> all interfaces and at this point I recieve a kernel trap.
> >> This happened 100% of times I tried...
> >>
> >> After take a look about rc1 routing table's bug I have in mind that my
> >> problem is not directly a cause of it.(don't say anything about a
> >> kernel trap)
> 
> >Network driver? Freebsd version? Backtrace?
> 
> >This is the freebsd version:
> 
> 8.0-RC1 FreeBSD 8.0-RC1 #0: Thu Sep 17 20:45:19 UTC 2009
> root_at_almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386
> 
> this is the network drivers, physicall and virtual:
> 
> rum0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
>         ether 00:1f:1f:08:b6:7b
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>         status: associated
[snip]
> Fatal trap 12: page fault while in kernel mode
> cpuid = 1; apic id = 01
> fault virtual address   = 0x20
> fault code              = supervisor read, page not present
> instruction pointer     = 0x20:0xc09408a8
> stack pointer           = 0x28:0xe89809a4
> frame pointer           = 0x28:0xe89809c0
> 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         = 2321 (wpa_supplicant)
> trap number             = 12
[snip]
> #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=0xe8980964, eva=32) at
> /usr/src/sys/i386/i386/trap.c:933
> #4  0xc0bb36f0 in trap_pfault (frame=0xe8980964, usermode=0, eva=32)
> at /usr/src/sys/i386/i386/trap.c:846
> #5  0xc0bb40d5 in trap (frame=0xe8980964) at /usr/src/sys/i386/i386/trap.c:528
> #6  0xc0b96a4b in calltrap () at /usr/src/sys/i386/i386/exception.s:165
> #7  0xc09408a8 in ieee80211_crypto_encap (ni=0xc6b5d000, m=0xc776dc00)
> at /usr/src/sys/net80211/ieee80211_crypto.c:560
> #8  0xc07ca32b in rum_start (ifp=0xc67e2400) at
> /usr/src/sys/dev/usb/wlan/if_rum.c:1216
> #9  0xc0923582 in if_start (ifp=0xc67e2400) at /usr/src/sys/net/if.c:3242
> #10 0xc092750b in if_transmit (ifp=0xc67e2400, m=0xc6a60c00) at
> /usr/src/sys/net/if.c:3254
[snip]


This appears to be a known problem I'm afraid (PR kern/137776), and I
don't believe there's a solution for it yet.

Gavin

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