Hi, We are not aware of this issue. Please collect the register dump i.e., "ethtool -d <interface>" output when this issue happens (before performing link-flap) and share it for the analysis.
Thanks, Sudarsana > -----Original Message----- > From: netdev-ow...@vger.kernel.org <netdev-ow...@vger.kernel.org> On > Behalf Of Ian Kumlien > Sent: Wednesday, April 3, 2019 8:31 PM > To: Linux Kernel Network Developers <netdev@vger.kernel.org>; Ariel Elior > <ael...@marvell.com>; Sudarsana Reddy Kalluru <skall...@marvell.com> > Subject: bnx2x - odd behaviour > > Hi, > > We just had this happen on 5.0.2 > > It looks like the interface went down, ended up in a broken state and a ip li > set down/up dev enp2s0f0 made it work again > > It looks really weird and I haven't really seen anything like it, anyone with > a > clue? > > dmesg: > .... > [1310361.808694] bnx2x 0000:02:00.0 enp2s0f0: NIC Link is Down > [1310361.824554] bond0: link status down for active interface enp2s0f0, > disabling it in 1000 ms [1310362.872678] bond0: link status definitely down > for interface enp2s0f0, disabling it [1310362.880691] device enp2s0f0 left > promiscuous mode [1310363.188592] bnx2x 0000:02:00.0 enp2s0f0: NIC Link > is Up, 10000 Mbps full duplex, Flow control: ON - transmit [1310363.200653] > bond0: link status up for interface enp2s0f0, enabling it in 0 ms > [1310363.208192] bond0: link status definitely up for interface enp2s0f0, > 10000 Mbps full duplex [1310363.216885] bond0: making interface enp2s0f0 > the new active one [1310363.223075] device enp2s0f0 entered promiscuous > mode [1310363.228613] bond0: first active interface up! > [1310364.048805] bnx2x: > [bnx2x_attn_int_deasserted3:4357(enp2s0f0)]LATCHED attention > 0x04000000 (masked) > [1310364.058297] bnx2x: [bnx2x_attn_int_deasserted3:4361(enp2s0f0)]GRC > time-out 0x08004384 > [1310365.072604] bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer > max (1) [1310366.096679] bnx2x: > [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer max (2) [1310366.103922] > bnx2x: > [bnx2x_attn_int_deasserted3:4357(enp2s0f0)]LATCHED attention > 0x04000000 (masked) > [1310366.113387] bnx2x: [bnx2x_attn_int_deasserted3:4361(enp2s0f0)]GRC > time-out 0x08004384 > [1310367.120518] bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer > max (3) [1310368.144635] bnx2x: > [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer max (4) [1310369.168591] > bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer max (5) > [1310371.216519] bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer > max (6) ... it does go on ... > [1312156.028230] bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer > max (1520) [1312157.052226] bnx2x: > [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer max (1521) > [1312157.059842] bnx2x: > [bnx2x_attn_int_deasserted3:4357(enp2s0f0)]LATCHED attention > 0x04000000 (masked) > [1312157.069242] bnx2x: [bnx2x_attn_int_deasserted3:4361(enp2s0f0)]GRC > time-out 0x08004384 > [1312158.076261] bnx2x: > [bnx2x_attn_int_deasserted3:4357(enp2s0f0)]LATCHED attention > 0x04000000 (masked) > [1312158.085657] bnx2x: [bnx2x_attn_int_deasserted3:4361(enp2s0f0)]GRC > time-out 0x08004384 > [1312159.100154] bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer > max (1522) [1312160.124226] bnx2x: > [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer max (1523) > [1312161.148127] bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer > max (1524) [1312162.172102] bnx2x: > [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer max (1525) > [1312163.196000] bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer > max (1526) [1312163.203610] bnx2x: > [bnx2x_attn_int_deasserted3:4357(enp2s0f0)]LATCHED attention > 0x04000000 (masked) > [1312163.213082] bnx2x: [bnx2x_attn_int_deasserted3:4361(enp2s0f0)]GRC > time-out 0x08004384 > [1312164.220248] bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer > max (1527) [1312165.244119] bnx2x: > [bnx2x_attn_int_deasserted3:4357(enp2s0f0)]LATCHED attention > 0x04000000 (masked) > [1312165.253524] bnx2x: [bnx2x_attn_int_deasserted3:4361(enp2s0f0)]GRC > time-out 0x08004384 > [1312166.268053] bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer > max (1528) [1312167.292105] bnx2x: > [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer max (1529) > [1312168.316022] bnx2x: [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer > max (1530) [1312169.340014] bnx2x: > [bnx2x_hw_stats_update:869(enp2s0f0)]NIG timer max (1531) > [1312169.347584] bnx2x: > [bnx2x_attn_int_deasserted3:4357(enp2s0f0)]LATCHED attention > 0x04000000 (masked) > [1312169.357054] bnx2x: [bnx2x_attn_int_deasserted3:4361(enp2s0f0)]GRC > time-out 0x08004384 > > ... trying to bing it down ... > > [1312169.659992] bond0: link status down for active interface enp2s0f0, > disabling it in 1000 ms [1312169.672041] bond0: link status down for active > interface enp2s0f0, disabling it in 1000 ms [1312169.682084] bond0: link > status down for active interface enp2s0f0, disabling it in 1000 ms > [1312169.692159] bond0: link status down for active interface enp2s0f0, > disabling it in 1000 ms [1312169.702026] bond0: link status down for active > interface enp2s0f0, disabling it in 1000 ms [1312169.712081] bond0: link > status down for active interface enp2s0f0, disabling it in 1000 ms > [1312169.722097] bond0: link status down for active interface enp2s0f0, > disabling it in 1000 ms [1312169.732073] bond0: link status down for active > interface enp2s0f0, disabling it in 1000 ms [1312169.742079] bond0: link > status down for active interface enp2s0f0, disabling it in 1000 ms > [1312169.752066] bond0: link status down for active interface enp2s0f0, > disabling it in 1000 ms [1312169.762017] bond0: link status down for active > interface enp2s0f0, disabling it in 1000 ms [1312169.771958] bond0: link > status down for active interface enp2s0f0, disabling it in 1000 ms > [1312169.782085] bond0: link status down for active interface enp2s0f0, > disabling it in 1000 ms .... on and on ... > [1312170.434045] bond0: link status down for active interface enp2s0f0, > disabling it in 1000 ms [1312170.444012] bond0: link status down for active > interface enp2s0f0, disabling it in 1000 ms [1312170.454024] bond0: link > status down for active interface enp2s0f0, disabling it in 1000 ms > [1312170.463879] bond0: link status down for active interface enp2s0f0, > disabling it in 1000 ms [1312170.473950] bond0: link status down for active > interface enp2s0f0, disabling it in 1000 ms [1312170.484107] bond0: link > status down for active interface enp2s0f0, disabling it in 1000 ms > [1312171.532119] bond0: link status definitely down for interface enp2s0f0, > disabling it > > ... bringing it up again ... > > [1312171.540128] device enp2s0f0 left promiscuous mode [1312189.213375] > bnx2x 0000:02:00.0 enp2s0f0: using MSI-X IRQs: sp 42 fp[0] 44 ... fp[7] 51 > [1312190.780919] bnx2x 0000:02:00.0 enp2s0f0: NIC Link is Up, 10000 Mbps > full duplex, Flow control: ON - transmit [1312190.787840] bond0: link status > up for interface enp2s0f0, enabling it in 0 ms [1312190.798618] bond0: link > status definitely up for interface enp2s0f0, 10000 Mbps full duplex > [1312190.807307] bond0: making interface enp2s0f0 the new active one > [1312190.813560] device enp2s0f0 entered promiscuous mode > [1312190.820884] bond0: first active interface up! > ---
