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Date:      Wed, 18 Jan 2017 11:37:48 +0100
From:      peter.blok@bsd4all.org
To:        freebsd-current@freebsd.org
Subject:   crash in iflib_fast_intr
Message-ID:  <0D6E88B3-6EB8-428F-B116-40D304CD74E5@bsd4all.org>

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Hi,

A kernel without option EARLY_AP_STARTUP crashes in if lib_fast_intr. =
Since GENERIC now has EARLY_AP_STARTUP, this probably got unnoticed. =
Problem is reproducible.

KDB: stack backtrace:
#0 0xffffffff805cec97 at kdb_backtrace+0x67
#1 0xffffffff80584816 at vpanic+0x186
#2 0xffffffff80584683 at panic+0x43
#3 0xffffffff8090f222 at trap_fatal+0x322
#4 0xffffffff8090f3ec at trap_pfault+0x1bc
#5 0xffffffff8090eaa0 at trap+0x280
#6 0xffffffff808f35e1 at calltrap+0x8
#7 0xffffffff806a202d at iflib_fast_intr+0x3d
#8 0xffffffff8054963b at intr_event_handle+0x9b
#9 0xffffffff80965f38 at intr_execute_handlers+0x48
#10 0xffffffff8096b1cf at lapic_handle_intr+0x3f
#11 0xffffffff808f3cc7 at Xapic_isr1+0xb7
#12 0xffffffff805b994a at sched_idletd+0x37a
#13 0xffffffff805460f5 at fork_exit+0x85
#14 0xffffffff808f3b1e at fork_trampoline+0xe

Peter=



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