From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?= Date: Mon, 20 Jan 2020 18:04:15 +0100 Subject: [Intel-wired-lan] zero-copy between interfaces In-Reply-To: <20200117171637.GB69024@smtp.ads.isi.edu> References: <14f9e1bf5c3a41dbaec53f83cb5f0564@isi.edu> <20200117171637.GB69024@smtp.ads.isi.edu> Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On 2020-01-17 18:16, Ryan Goodfellow wrote: [...] > > https://gitlab.com/mergetb/tech/network-emulation/kernel/snippets/1931080 > Ryan, thanks a lot for the detailed report! Much appreciated! Long story short, the i40e crash is that the drivers tries to allocate 256 queues, but the HW is short on queues. The drivers enters a broken state, which triggers the crash. I'll make sure we'll get a patch for this. Bj?rn