Date: Tue, 8 Aug 2017 13:49:08 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: FreeBSD Net <freebsd-net@freebsd.org>, FreeBSD Stable <freebsd-stable@freebsd.org>, Ben RUBSON <ben.rubson@gmail.com>, hiren <hiren@strugglingcoder.info>, jch <jch@FreeBSD.org> Subject: Re: mlx4en, timer irq @100%... (11.0 stuck on high network load ???) Message-ID: <f006e193-29b6-689a-8957-04d412969ace@selasky.org> In-Reply-To: <20170808113352.GH18123@zxy.spb.ru> References: <4C91C6E5-0725-42E7-9813-1F3ACF3DDD6E@gmail.com> <5840c25e-7472-3276-6df9-1ed4183078ad@selasky.org> <2ADA8C57-2C2D-4F97-9F0B-82D53EDDC649@gmail.com> <061cdf72-6285-8239-5380-58d9d19a1ef7@selasky.org> <92BEE83D-498F-47D5-A53C-39DCDC00A0FD@gmail.com> <5d8960d8-e1ff-8719-320f-d3ae84054714@selasky.org> <6B4A35F7-5694-4945-9575-19ADB678F9FA@gmail.com> <297a784a-3d80-b1a6-652e-a78621fe5a8b@selasky.org> <3ECCFBF1-18D9-4E33-8F39-0C366C3BB8B4@gmail.com> <c05c2b1c-b5a8-c39c-6dff-e6cc0d8642bf@selasky.org> <20170808113352.GH18123@zxy.spb.ru>
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On 08/08/17 13:33, Slawa Olhovchenkov wrote:
> TW_RUNLOCK(V_tw_lock);
> and
> if (INP_INFO_TRY_WLOCK(&V_tcbinfo)) {
>
> `inp` can be invalidated, freed and this pointer may be invalid?
If you look one line up there is a pcbref ??
--HPS
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