Date: Wed, 13 Sep 2017 01:06:31 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 222273] Kernel panic (fatal trap 12) due to network related processes (igb driver) Message-ID: <bug-222273-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D222273 Bug ID: 222273 Summary: Kernel panic (fatal trap 12) due to network related processes (igb driver) Product: Base System Version: 11.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: aayla.secura.1138@gmail.com Created attachment 186312 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D186312&action= =3Dedit kgdb backtrace The steps to getting it to panic are a bit elaborate, but the bug is reproducible every time: If I stop the netif service, then run dhclient on = the wired network interface and in the meantime (while dhclient is sending disc= over messages) I perform a network related operation, such as printing the routi= ng table, the kernel panics with Fatal trap 12: page fault while in kernel mod= e. FreeBSD version is 11.0-RELEASE-p1. It is a server machine: The CPU is Xeon E3-1275v6. The motherboard is Intel DBS1200SPLR, it has two Ethernet ports, both using igb driver. I tried wiri= ng each and the panic occurs either way, but only if dhclient is run on the ac= tive (plugged in) interface. I attach the crash dump from one of the panics. The original forum thread I opened is here: https://forums.freebsd.org/threads/62338/ The bug may be the same, or related, to this: https://lists.freebsd.org/pipermail/freebsd-hackers/2017-June/051200.html --=20 You are receiving this mail because: You are the assignee for the bug.=
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