Date: Thu, 17 Oct 2019 16:33:52 -0700 From: John Baldwin <jhb@FreeBSD.org> To: "Keller, Jacob E" <jacob.e.keller@intel.com>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Cc: "shurd@llnw.com" <shurd@llnw.com>, "Joyner, Eric" <eric.joyner@intel.com> Subject: Re: panic on invalid ifp pointer in iflib drivers Message-ID: <80ba676b-1b26-5384-b7ef-0d853988616d@FreeBSD.org> In-Reply-To: <02874ECE860811409154E81DA85FBB5896931470@ORSMSX121.amr.corp.intel.com> References: <02874ECE860811409154E81DA85FBB589692E0D4@ORSMSX121.amr.corp.intel.com> <23f1e835-5dbb-055b-3768-f361311a9387@FreeBSD.org> <02874ECE860811409154E81DA85FBB5896931470@ORSMSX121.amr.corp.intel.com>
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On 10/17/19 4:22 PM, Keller, Jacob E wrote: > Hmm.. now that I look at that more closely I think it's a separate issue. This may just be the rcvif issue where we don't reference count the ifp we store in rcvif in mbufs? That was my reaction to your first e-mail except that you said it wasn't reproducible on some other drivers. I wonder if other drivers would also provoke this if you just ran them in a detach/attach loop long enough. -- John Baldwin
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