Network crash

Sepherosa Ziehau sepherosa at
Sat Aug 16 20:24:02 PDT 2008

On Sun, Aug 17, 2008 at 3:34 AM, Tim <t-df at> wrote:
> I'm running the release version of 2.0 unpatched; not tested on prior
> versions.  My Dell Inspiron 8000 laptop has 3 nics: dc0 (xircom cardbus),
> xl0 (built-in) and aue0 (3com usb nic).   I have a dlink wireless router
> attached to the 3com usb nic.  The laptop is running as a router to the
> internet.  I can ping the dlink from a pc on the local network, but when I
> try to http to its admin interface, DF crashes with the following error:
> panic: assertion: IS_SERIALIZED((ifp->if_serializer)) in if_devstart
> Trace beginning at frame 0xca615c34
> panic(ca615c58,ca733f44,ca733d10,ca733d10,ca615c70) at panic+0x8c
> panic(c054c837,c0583098,c052cf87,c144dd00,ca733f44) at panic+0x8c
> if_devstart(ca733d10) at if_devstart+0x34
> aue_txeof(c13ade78,ca733f44,0) at aue_txeof+0xa7
> usb_transfer_complete(c13ade78,c1307180,ffffffff,100000,c13adee8) at
> usb_transfer_complete+0x149
> uhci_idone(c94b0488,c13adf00,c13adecc) at uhci_idone+0x120
> uhci_softintr(ca7868c0) at uhci_softintr+0xcd
> usb_softschedintr(ca7868c0,0,c06426c8,ff800000,ca615d2c) at
> usb_softschedintr+0xd
> uhci_intr1(ca615d84,c02ada13,ca7868c0,0,48) at uhci_intr1+0x199
> uhci_intr(ca7868c0,0) at uhci_intr+0x26
> ithread_handler(a,0,0,0,0) at ithread_handler+0xa2
> lwkt_exit() at lwkt_exit
> Debugger("panic")
> Stopped at Debugger+0x34:  movb  $0,in_Debugger.3949

Please test following patch:

Best Regards,

Live Free or Die

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