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Wed, 15 Sep 2021 07:25:20 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Subject: Re: Urgent Bug report: PPPoE ioctl(PPPIOCCONNECT): Transport endpoint is not connected From: Martin Zaharinov In-Reply-To: <20210914110038.GA25110@breakpoint.cc> Date: Wed, 15 Sep 2021 17:25:17 +0300 Cc: Guillaume Nault , netdev Content-Transfer-Encoding: quoted-printable Message-Id: References: <20210809151529.ymbq53f633253loz@pali> <20210811164835.GB15488@pc-32.home> <81FD1346-8CE6-4080-84C9-705E2E5E69C0@gmail.com> <6A3B4C11-EF48-4CE9-9EC7-5882E330D7EA@gmail.com> <20210914080206.GA20454@pc-4.home> <20210914095015.GA9076@breakpoint.cc> <1724F1B4-5048-4625-88A5-1193D4445D5A@gmail.com> <20210914110038.GA25110@breakpoint.cc> To: Florian Westphal X-Mailer: Apple Mail (2.3654.120.0.1.13) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hey Florian make test in lab and look much better that before. see this perf=20 PerfTop: 6551 irqs/sec kernel:77.8% exact: 100.0% lost: 0/0 drop: = 0/0 [4000Hz cycles], (all, 12 CPUs) = --------------------------------------------------------------------------= --------------------------------------------------------------------------= ----------------------------------------------------------- 15.70% [ixgbe] [k] ixgbe_read_reg 13.33% [kernel] [k] mutex_spin_on_owner 7.65% [kernel] [k] osq_lock 2.85% libfrr.so.0.0.0 [.] 0x00000000000ce970 1.94% libfrr.so.0.0.0 [.] 0x00000000000ce94e 1.19% libc.so.6 [.] 0x0000000000186afa 1.15% [kernel] [k] do_poll.constprop.0 0.99% [kernel] [k] inet_dump_ifaddr 0.94% libteam.so.5.6.1 [.] 0x0000000000006470 0.79% libc.so.6 [.] 0x0000000000186e57 0.71% [ixgbe] [k] ixgbe_update_mc_addr_list_generic 0.65% [kernel] [k] __fget_files 0.61% [kernel] [k] sock_poll 0.57% libteam.so.5.6.1 [.] 0x0000000000009e7d 0.51% perf [.] 0x00000000000bc7b3 0.51% libteam.so.5.6.1 [.] 0x0000000000006501 0.48% [kernel] [k] next_uptodate_page 0.46% [kernel] [k] _raw_read_lock_bh 0.43% libc.so.6 [.] 0x0000000000186eac 0.42% bgpd [.] 0x0000000000070a46 0.41% [pppoe] [k] pppoe_flush_dev 0.39% [kernel] [k] zap_pte_range This happened when remove and add new interface on time of drop and = reconnect users. now : ip a command work fine ! Martin > On 14 Sep 2021, at 14:00, Florian Westphal wrote: >=20 > Martin Zaharinov wrote: >=20 > [ Trimming CC list ] >=20 >> Florian:=20 >>=20 >> If you make patch send to test please. >=20 > Attached. No idea if it helps, but 'ip' should stay responsive > even when masquerade processes netdevice events. >