Date: Sun, 10 Dec 2006 12:53:29 +0300 (MSK) From: Maxim Konovalov <maxim@macomnet.ru> To: Robert Watson <rwatson@FreeBSD.org> Cc: freebsd-current@FreeBSD.org, yal <yal@yal.hopto.org> Subject: Re: CURRENT freezes on Laitude D520 Message-ID: <20061210123204.V52497@mp2.macomnet.net> In-Reply-To: <20061210083752.G9926@fledge.watson.org> References: <52944.192.168.1.110.1165679313.squirrel@yal.hopto.org> <20061209195519.B60055@mp2.macomnet.net> <20061209204924.N9926@fledge.watson.org> <20061210013735.D11309@mp2.macomnet.net> <20061210083752.G9926@fledge.watson.org>
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> > I didn't suggest to turn off mpsafenet forever and forget, I just > > wanted to check my guess. I would like to help to debug the > > problem but I need some initial instructions to start. There is a > > firewire console. What do I need to check? > > Start with the information in my followup e-mail to Andrew: > > - Configure WITNESS and see if you get any console output regarding > lock order problems. Yes, there is one: lock order reversal 1st 0xd0f277c8 inp (rawinp) @ /usr/src/sys/netinet/raw_ip.c 2nd 0xd0ecbb54 wi0 (network driver) @ /usr/src/sys/modules/wi/../../dev/wi/if_wi.c KDB db_trace_self_wrapper(ce626f9d) at db_trace_self_wrapper+0x25 kdb_backtrace(ffffffff,ce6a6378,ce6a6b20,ce65bd24,ce6e4ed0,...) at kdb_backtrace+0x29 witness_checkorder(d0ecbb54,9,d0e73d13,388) at witness_checkorder+0x4db _mtx_lock_flags(d0ecbb54,0,d0e73d13,388,ce4d8cdd,...) at _mtx_lock_flags+0x1e wi_start(d0e05800) at wi_start+0x32 if_start(d0e05800) at if_start+0x53 ether_output_frame(d0e05800,d0d18100,0,1,0,...) at ether_output_frame+0x180 ether_output(d0e05800,d0d18100,d0e652b0,d0e61bb8,ce6e6b18,...) at ether_output+0x3c0 ieee80211_output(d0e05800,d0d18100,d0e652b0,d0e61bb8,0,...) at ieee80211_output+0x33 ip_output(d0d18100,0,e1afbb38,20,0,...) at ip_output+0x7f0 rip_output(d0d18100,d102ee44,1d2722c3,2000,e1afbbf0,...) at rip_output+0x29b rip_send(d102ee44,0,d0d18100,0,0,...) at rip_send+0x4f sosend_generic(d102ee44,0,0,d0d18100,0,...) at sosend_generic+0x3e1 sosend(d102ee44,0,0,d0d18100,0,...) at sosend+0x22 ng_ksocket_rcvdata(d10ab280,d104f750,1,e1afbc78,0,...) at ng_ksocket_rcvdata+0xa3 ng_apply_item(d10ab200,d104f750,0,0,d10ab200,...) at ng_apply_item+0xf8 ngintr(0) at ngintr+0x13d swi_net(0) at swi_net+0xba ithread_execute_handlers(d09acb40,d09dba00) at ithread_execute_handlers+0xce ithread_loop(d09dc180,e1afbd38,ce697af0,0,ce622832,328) at ithread_loop+0x4f fork_exit(ce4cdf0c,d09dc180,e1afbd38) at fork_exit+0x68 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xe1afbd6c, ebp = 0 --- At this point ifconfig wlan0 hangs, reboot hangs. > - Try setting net.isr.direct=0 and see if the problem goes away. This indeed help. LOR has gone and wireless works. > - Try removing options PREEMPTION and see if the problem goes away. Haven't try. -- Maxim Konovalov
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