Date: Thu, 28 Dec 2006 13:20:44 GMT From: Andrea Campi<andrea+freebsd@webcom.it> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/107277: panic: bus_dmamap_load_mbuf_sg Message-ID: <200612281320.kBSDKigI084071@www.freebsd.org> Resent-Message-ID: <200612281330.kBSDUF7P079612@freefall.freebsd.org>
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>Number: 107277 >Category: misc >Synopsis: panic: bus_dmamap_load_mbuf_sg >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Dec 28 13:30:14 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Andrea Campi >Release: FreeBSD 6.2-RC2 >Organization: Sourcesense >Environment: FreeBSD gw0.webcom.it 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #0: Wed Dec 27 12:47:29 UTC 2006 (it says prerelease but no more commits happened before RC2 was tagged) >Description: panic: bus_dmamap_load_mbuf_sg: no mbuf packet header! KDB: stack backtrace: panic(c06128c3,c060f93c,c055b9af,c0db804e,c0db803e,...) at panic+0xef bus_dmamap_load_mbuf_sg(c0d18e00,0,c0db8000,c0d627d8,c0d627b8,1) at bus_dmamap_load_mbuf_sg+0x4ec ath_start(c0d55000,35000,36,0,c1000000,...) at ath_start+0x26f ether_output_frame(c0d55000,c0fee600,c1000006,0,1,...) at ether_output_frame+0x226 ether_output(c0d55000,c0fee600,c56f6bb0,c0feb840) at ether_output+0x2de ip_output(c0fee600,0,c56f6bac,1,0,0) at ip_output+0xaad ip_forward(c0cf9648,c56f6c78,c04e14dd,c066ca40,1,...) at ip_forward+0x120 ip_input(c0fee600,18,c0673378,c56f6cec,c0541fd7,...) at ip_input+0x8d5 netisr_processqueue(c0d12240,c0cef400,0,c56f6d0c,c04bd93b,...) at netisr_processqueue+0x13 swi_net(0,c0cef438,c0cfaa80,c04bd740,c0cf9648,...) at swi_net+0x97 ithread_loop(c0ce8750,c56f6d38,c0ce8750,c04bd740,0,...) at ithread_loop+0x1fb fork_exit(c04bd740,c0ce8750,c56f6d38) at fork_exit+0x83 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xc56f6d6c, ebp = 0 --- KDB: enter: panic [thread pid 13 tid 100003 ] Stopped at kdb_enter+0x2c: leal 0(%esi),%esi >How-To-Repeat: Happens every 12-24 hours while forwarding regular traffic (no ifconfig at the moment, etc). Happens both with hostapd running and without. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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