Date: Mon, 10 Jun 2013 11:40:00 GMT From: Maxim Bourmistrov <maxim@prisjakt.nu> To: freebsd-net@FreeBSD.org Subject: Re: kern/179299: [igb] Intel X540-T2 - unstable driver Message-ID: <201306101140.r5ABe03N006351@freefall.freebsd.org>
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The following reply was made to PR kern/179299; it has been noted by GNATS. From: Maxim Bourmistrov <maxim@prisjakt.nu> To: bug-followup@FreeBSD.org, sysop@prisjakt.nu Cc: Subject: Re: kern/179299: [igb] Intel X540-T2 - unstable driver Date: Mon, 10 Jun 2013 13:32:32 +0200 I was able to reproduce this issue on one of two identical machines, but = this is not 100% possible. However I was able to crash this machine, while trying to reproduce, = with the following stack trace. Thus no longer sure if my original problem IS cksum6/tso6 related. Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address =3D 0x18 fault code =3D supervisor write data, page not present instruction pointer =3D 0x20:0xffffffff805a220c stack pointer =3D 0x28:0xffffff917c839910 frame pointer =3D 0x28:0xffffff917c8399d0 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 12 (irq283: ix0:que 0) trap number =3D 12 panic: page fault cpuid =3D 0 KDB: stack backtrace: #0 0xffffffff80955276 at kdb_backtrace+0x66 #1 0xffffffff8091c5ee at panic+0x1ce #2 0xffffffff80cab720 at trap_fatal+0x290 #3 0xffffffff80caba81 at trap_pfault+0x211 #4 0xffffffff80cac034 at trap+0x344 #5 0xffffffff80c953c3 at calltrap+0x8 #6 0xffffffff805a28e6 at ixgbe_msix_que+0x86 #7 0xffffffff808ed80d at intr_event_execute_handlers+0xfd #8 0xffffffff808eeffe at ithread_loop+0x9e #9 0xffffffff808ea49f at fork_exit+0x11f #10 0xffffffff80c958ee at fork_trampoline+0xe Uptime: 13m13s //maxim=
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