> Unread portion of the kernel message buffer: > ural0: could not transmit buffer: SHORT_XFER > > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x4 > fault code = supervisor read, page not present > instruction pointer = 0x20:0xc0667091 > stack pointer = 0x28:0xd33e4c00 > frame pointer = 0x28:0xd33e4c0c > 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 = 32 (irq21: uhci0 uhci1+) > trap number = 12 > panic: page fault
I am not a USB/Ralink expert, but it the node can be removed mid-transmission elsewhere (ural_free_tx_list) on input errors. I don't know about threading issues that would require extra locking as well: in sys/dev/usb/ --- if_ural.c.orig Sun Jan 29 08:16:36 2006 +++ if_ural.c Thu Feb 23 08:30:36 2006 @@ -881,8 +881,10 @@ m_freem(data->m); data->m = NULL; - ieee80211_free_node(data->ni); - data->ni = NULL; + if (data->ni != NULL) { + ieee80211_free_node(data->ni); + data->ni = NULL; + } sc->tx_queued--; ifp->if_opackets++; _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"