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Date: Thu, 19 Apr 2012 16:27:07 -0700
From: Ben Greear <greearb@...delatech.com>
To: netdev <netdev@...r.kernel.org>,
e1000-devel list <e1000-devel@...ts.sourceforge.net>,
therbert@...gle.com
Subject: e1000e tx queue timeout in 3.3.0 (bisected to BQL support for e1000e)
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
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