lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 24 Apr 2020 16:45:08 -0700 (PDT) From: David Miller <davem@...emloft.net> To: brouer@...hat.com Cc: netdev@...r.kernel.org, ilias.apalodimas@...aro.org, toke@...hat.com, ruxandra.radulescu@....com, ioana.ciornei@....com, nipun.gupta@....com, shawnguo@...nel.org Subject: Re: [PATCH net-next 0/2] Fix qdisc noop issue caused by driver and identify future bugs From: Jesper Dangaard Brouer <brouer@...hat.com> Date: Thu, 23 Apr 2020 16:57:40 +0200 > I've been very puzzled why networking on my NXP development board, > using driver dpaa2-eth, stopped working when I updated the kernel > version >= 5.3. The observable issue were that interface would drop > all TX packets, because it had assigned the qdisc noop. > > This turned out the be a NIC driver bug, that would only get triggered > when using sysctl net/core/default_qdisc=fq_codel. It was non-trivial > to find out[1] this was driver related. Thus, this patchset besides > fixing the driver bug, also helps end-user identify the issue. > > [1]: https://github.com/xdp-project/xdp-project/blob/master/areas/arm64/board_nxp_ls1088/nxp-board04-troubleshoot-qdisc.org Series applied to net-next, thanks.
Powered by blists - more mailing lists