Date: Sun, 29 Nov 2015 05:20:33 +0000 (UTC) From: Nomad Esst <noname.esst@yahoo.com> To: Freebsd Hackers List <freebsd-hackers@freebsd.org>, FreeBSD Hackers <hackers@freebsd.org> Subject: kernel panic in igb driver Message-ID: <346084679.550463.1448774433434.JavaMail.yahoo@mail.yahoo.com> References: <346084679.550463.1448774433434.JavaMail.yahoo.ref@mail.yahoo.com>
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During some performance tests and while a voice call was going through an i= gb interface, we attempt to disconnect and connect the cable. After the int= erface comes up this kernel panic occurs: Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address=C2=A0=C2=A0 =3D 0xc fault code=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0 =3D supervisor read data, page not present instruction pointer=C2=A0=C2=A0=C2=A0=C2=A0 =3D 0x20:0xffffffff80e189b9 stack pointer=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = =3D 0x28:0xffffff80ba3fe640 frame pointer=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = =3D 0x28:0xffffff80ba3feb20 code segment=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 =3D base 0x0, limit 0xfffff, type 0x1b =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D DPL 0, = pres 1, long 1, def32 0, gran 1 processor eflags=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D interrupt en= abled, resume, IOPL =3D 0 current process=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D 12 (irq= 268: +) [ thread pid 12 tid 100114 ] Stopped at=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 igb_start_locked+0x639:=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0 movzbl=C2=A0 0xc(%rbx),%esi Thanks in advance.
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