Date: Wed, 18 Jan 2017 16:17:49 +0100 From: peter.blok@bsd4all.org To: Sean Bruno <sbruno@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: crash in iflib_fast_intr Message-ID: <C2316811-0987-441D-A950-44FB2CA28C86@bsd4all.org> In-Reply-To: <132b9c54-26dd-c57d-2fbb-58f8f9b256b0@freebsd.org> References: <0D6E88B3-6EB8-428F-B116-40D304CD74E5@bsd4all.org> <132b9c54-26dd-c57d-2fbb-58f8f9b256b0@freebsd.org>
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This is with an igb interface. Peter > On 18 Jan 2017, at 15:31, Sean Bruno <sbruno@freebsd.org> wrote: >=20 >=20 >=20 > On 01/18/17 03:37, peter.blok@bsd4all.org = <mailto:peter.blok@bsd4all.org> wrote: >> Hi, >>=20 >> 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. >>=20 >> 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 >>=20 >> Peter >=20 > Thanks for the report. We're looking at this. >=20 > This is with an igb(4) interface or em(4)? >=20 > sean
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