Date: Tue, 24 Aug 2004 19:05:22 +1000 (EST) From: andy@bradfieldprichard.com.au To: "Robert Watson" <rwatson@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: PLEASE TEST: IPI deadlock avoidance patch Message-ID: <65297.203.41.12.153.1093338323.squirrel@bpgate.speednet.com.au> In-Reply-To: <Pine.NEB.3.96L.1040824001913.82518B-100000@fledge.watson.org> References: <53654.203.41.12.153.1093299636.squirrel@bpgate.speednet.com.au> <Pine.NEB.3.96L.1040824001913.82518B-100000@fledge.watson.org>
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> > Could you set the following sysctl: > > debug.kdb.stop_cpus=0 > (hand typed - sorry about the wrapping) panic: APIC: Previous IPI is stuck cpuid = 0; KDB: enter: panic [thread 100161] Stopped at kdb_enter+0x30: leave db> where kdb_enter(c08b3ec5,0,c08d2917,d6a33c90,c1f689a0) at kdb_enter+0x30 panic(c08d2917,2,d6a33cb0,3,8) at panic+0x15a lapic_ipi_vectored(fb,4,d6a33d44,d6a33d44,c19d4280) at lapic_ipi_vectored+0xa3 ipi_selected(e,fb,d6a33d44,d6a33cec,c084a0ea) at ipi_selected+0x43 forward_hardclock(d6a33d44,0,c08d44e3,bd,c1b35580) at forward_hardclock+0x49 clkintr(d6a33d44,6,d6a33d40,c0846be0,0) at clkintr+0xba intr_execute_handlers(c0954fc0,d6a33d44,28562640,d6a33d3c,1) at intr_execute_handlers+0xbb atpic_handle_intr(0) at atpic_handle_intr+0xcf Xatpic_intr0() at Xatpic_intr0+0x20 --- interrupt, eip = 0x81a6ddb, esp = 0xbfbfe270, epb = 0xbfbfe278 --- db> -andyf
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