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Date: Thu, 19 Apr 2012 19:39:51 -0700 From: Tom Herbert <therbert@...gle.com> To: Ben Greear <greearb@...delatech.com> Cc: netdev <netdev@...r.kernel.org>, e1000-devel list <e1000-devel@...ts.sourceforge.net> Subject: Re: e1000e tx queue timeout in 3.3.0 (bisected to BQL support for e1000e) Thanks, will try to reproduce. Tom On Thu, Apr 19, 2012 at 4:27 PM, Ben Greear <greearb@...delatech.com> wrote: > Test case: > > Run full duplex traffic (900Mbps rx, 400Mbps tx) UDP traffic > (moderate speeds of traffic has issues as well, maybe not as easy to > reproduce) > reset peer interface > ----> tx queue timeout > > > Apr 19 16:12:48 localhost kernel: e1000e: eth2 NIC Link is Down > Apr 19 16:12:48 localhost kernel: e1000e 0000:08:00.0: eth2: Reset adapter > Apr 19 16:12:48 localhost kernel: e1000e: eth3 NIC Link is Down > Apr 19 16:12:50 localhost kernel: e1000e: eth2 NIC Link is Up 1000 Mbps Full > Duplex, Flow Control: Rx/Tx > Apr 19 16:12:50 localhost kernel: ADDRCONF(NETDEV_CHANGE): eth2: link > becomes ready > Apr 19 16:12:50 localhost kernel: e1000e: eth3 NIC Link is Up 1000 Mbps Full > Duplex, Flow Control: Rx/Tx > Apr 19 16:12:50 localhost kernel: ADDRCONF(NETDEV_CHANGE): eth3: link > becomes ready > Apr 19 16:12:54 localhost /usr/sbin/irqbalance: Load average increasing, > re-enabling all cpus for irq balancing > Apr 19 16:12:55 localhost kernel: ------------[ cut here ]------------ > Apr 19 16:12:55 localhost kernel: WARNING: at > /home/greearb/git/linux-3.3.dev.y/net/sched/sch_generic.c:256 > dev_watchdog+0xf4/0x154() > Apr 19 16:12:55 localhost kernel: Hardware name: X7DBU > Apr 19 16:12:55 localhost kernel: NETDEV WATCHDOG: eth2 (e1000e): transmit > queue 0 timed out > Apr 19 16:12:55 localhost kernel: Modules linked in: xt_CT iptable_raw 8021q > garp stp llc veth ppdev parport_pc lp parport fuse macvlan pktgen iscsi_tcp > libiscsi_tcp libiscsi scsi_transport_iscsi lockd w83793 w83627hf hwmon_vid > coretemp iTCO_wdt microcode iTCO_vendor_support pcspkr i5k_amb ioatdma > i2c_i801 > i5000_edac dca edac_core e1000e shpchp uinput sunrpc ipv6 autofs4 floppy > radeon ttm drm_kms_helper drm hwmon i2c_algo_bit i2c_core [last unloaded: > nf_nat] > Apr 19 16:12:55 localhost kernel: Pid: 0, comm: kworker/0:1 Not tainted > 3.2.0-rc2+ #36 > Apr 19 16:12:55 localhost kernel: Call Trace: > Apr 19 16:12:55 localhost kernel: <IRQ> [<ffffffff81042902>] > warn_slowpath_common+0x80/0x98 > Apr 19 16:12:55 localhost kernel: [<ffffffff810429ae>] > warn_slowpath_fmt+0x41/0x43 > Apr 19 16:12:55 localhost kernel: [<ffffffff8139f8a3>] > dev_watchdog+0xf4/0x154 > Apr 19 16:12:55 localhost kernel: [<ffffffff8104d371>] > run_timer_softirq+0x16f/0x201 > Apr 19 16:12:55 localhost kernel: [<ffffffff8139f7af>] ? > netif_tx_unlock+0x57/0x57 > Apr 19 16:12:55 localhost kernel: [<ffffffff81047e47>] > __do_softirq+0x86/0x12f > Apr 19 16:12:55 localhost kernel: [<ffffffff8105d54e>] ? > hrtimer_interrupt+0x12b/0x1bd > Apr 19 16:12:55 localhost kernel: [<ffffffff8144296c>] > call_softirq+0x1c/0x30 > Apr 19 16:12:55 localhost kernel: [<ffffffff8100bb75>] do_softirq+0x41/0x7e > Apr 19 16:12:55 localhost kernel: [<ffffffff81047c26>] irq_exit+0x3f/0xbb > Apr 19 16:12:55 localhost kernel: [<ffffffff81021df5>] > smp_apic_timer_interrupt+0x85/0x93 > Apr 19 16:12:55 localhost kernel: [<ffffffff814411de>] > apic_timer_interrupt+0x6e/0x80 > Apr 19 16:12:55 localhost kernel: <EOI> [<ffffffff81010b8c>] ? > mwait_idle+0x6e/0x8c > Apr 19 16:12:55 localhost kernel: [<ffffffff81010b7f>] ? > mwait_idle+0x61/0x8c > Apr 19 16:12:55 localhost kernel: [<ffffffff81009e72>] cpu_idle+0x67/0xbe > Apr 19 16:12:55 localhost kernel: [<ffffffff81435477>] > start_secondary+0x194/0x199 > Apr 19 16:12:55 localhost kernel: ---[ end trace e3ca12fc1a8b85da ]--- > Apr 19 16:12:55 localhost kernel: e1000e 0000:08:00.0: eth2: Reset adapter > Apr 19 16:12:57 localhost abrt-dump-oops[898]: abrt-dump-oops: Found oopses: > 1 > Apr 19 16:12:57 localhost abrt-dump-oops[898]: abrt-dump-oops: Creating dump > directories > Apr 19 16:12:57 localhost abrtd: Directory 'oops-2012-04-19-16:12:57-898-0' > creation detected > Apr 19 16:12:57 localhost abrt-dump-oops: Reported 1 kernel oopses to Abrt > Apr 19 16:12:57 localhost abrtd: Can't open file > '/var/spool/abrt/oops-2012-04-19-16:12:57-898-0/uid': No such file or > directory > Apr 19 16:12:57 localhost abrtd: DUP_OF_DIR: > /var/spool/abrt/oops-2012-04-19-15:02:13-862-0 > Apr 19 16:12:57 localhost abrtd: Dump directory is a duplicate of > /var/spool/abrt/oops-2012-04-19-15:02:13-862-0 > Apr 19 16:12:57 localhost abrtd: Deleting dump directory > oops-2012-04-19-16:12:57-898-0 (dup of oops-2012-04-19-15:02:13-862-0), > sending dbus signal > Apr 19 16:12:58 localhost kernel: e1000e: eth2 NIC Link is Up 1000 Mbps Full > Duplex, Flow Control: Rx/Tx > Apr 19 16:12:58 localhost kernel: ADDRCONF(NETDEV_CHANGE): eth2: link > becomes ready > Apr 19 16:13:03 localhost /usr/sbin/irqbalance: Load average increasing, > re-enabling all cpus for irq balancing > Apr 19 16:13:04 localhost kernel: e1000e 0000:08:00.0: eth2: Reset adapter > Apr 19 16:13:05 localhost chronyd[1003]: Selected source 108.59.2.194 > Apr 19 16:13:07 localhost kernel: e1000e: eth2 NIC Link is Up 1000 Mbps Full > Duplex, Flow Control: Rx/Tx > Apr 19 16:13:07 localhost kernel: ADDRCONF(NETDEV_CHANGE): eth2: link > becomes ready > .... > > lspci: > > 08:00.0 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet > Controller (rev 06) > Subsystem: Intel Corporation PRO/1000 PT Dual Port Server Adapter > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ > Stepping- SERR+ FastB2B- DisINTx+ > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 0, Cache Line Size: 32 bytes > Interrupt: pin A routed to IRQ 74 > Region 0: Memory at d8300000 (32-bit, non-prefetchable) [size=128K] > Region 2: I/O ports at 3000 [size=32] > [virtual] Expansion ROM at d8d00000 [disabled] [size=128K] > Capabilities: [c8] Power Management version 2 > Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA > PME(D0+,D1-,D2-,D3hot+,D3cold-) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME- > Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ > Address: 00000000feeff00c Data: 41a3 > Capabilities: [e0] Express (v1) Endpoint, MSI 00 > DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s > <512ns, L1 <64us > ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset- > DevCtl: Report errors: Correctable+ Non-Fatal+ Fatal+ > Unsupported+ > RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ > MaxPayload 128 bytes, MaxReadReq 4096 bytes > DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr- > TransPend- > LnkCap: Port #1, Speed 2.5GT/s, Width x2, ASPM L0s L1, > Latency L0 <4us, L1 <64us > ClockPM- Surprise- LLActRep- BwNot- > LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- > CommClk- > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > LnkSta: Speed 2.5GT/s, Width x2, TrErr- Train- SlotClk+ > DLActive- BWMgmt- ABWMgmt- > Capabilities: [100 v1] Advanced Error Reporting > UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- > RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol- > UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- > RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- > UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- > RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- > CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- > NonFatalErr- > CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- > NonFatalErr- > AERCap: First Error Pointer: 14, GenCap- CGenEn- ChkCap- > ChkEn- > Capabilities: [140 v1] Device Serial Number 00-e0-ed-ff-ff-0c-11-6e > Kernel driver in use: e1000e > Kernel modules: e1000e > > > 3f0cfa3bc11e7f00c9994e0f469cbc0e7da7b00c is the first bad commit > commit 3f0cfa3bc11e7f00c9994e0f469cbc0e7da7b00c > Author: Tom Herbert <therbert@...gle.com> > Date: Mon Nov 28 16:33:16 2011 +0000 > > e1000e: Support for byte queue limits > > Changes to e1000e to use byte queue limits. > > Signed-off-by: Tom Herbert <therbert@...gle.com> > Acked-by: Eric Dumazet <eric.dumazet@...il.com> > Signed-off-by: David S. Miller <davem@...emloft.net> > > :040000 040000 bf3e2ec64fd74253563e1ab39797b27a5f2df3fe > 51914e221547b95a989b5c7e9b037c9370fd734e M drivers > > > Thanks, > Ben > > -- > Ben Greear <greearb@...delatech.com> > Candela Technologies Inc http://www.candelatech.com > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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