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Date: Sat, 07 Dec 2013 08:32:15 +0200
From: Denys Fedoryshchenko <nuclearcat@...learcat.com>
To: e1000-devel@...ts.sourceforge.net, netdev@...r.kernel.org,
jesse.brandeburg@...el.com
Subject: e1000e, kernel 3.12.3, packetloss and periodic Detected Hardware
Unit Hang
Hi
On one of clients got new hardware and i started to get periodic
watchdog/hang messages in dmesg and packetloss on e1000e driver, while
load on device is relatively low.
Here is lspci, ifconfig, ethtool and dmesg information
00:19.0 Ethernet controller: Intel Corporation Device 1503 (rev 04)
Subsystem: Intel Corporation Device 2031
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at f7c00000 (32-bit, non-prefetchable) [size=128K]
Memory at f7c35000 (32-bit, non-prefetchable) [size=4K]
I/O ports at f080 [size=32]
Capabilities: [c8] Power Management version 2
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [e0] PCI Advanced Features
Kernel driver in use: e1000e
BALANCER-WORLDNET ~ # ethtool -i eth0
driver: e1000e
version: 2.3.2-k
firmware-version: 0.13-5
bus-info: 0000:00:19.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no
BALANCER-WORLDNET ~ # ethtool -S eth0
NIC statistics:
rx_packets: 1500180288
tx_packets: 1555842579
rx_bytes: 1154556141222
tx_bytes: 1139141840890
rx_broadcast: 168035
tx_broadcast: 74
rx_multicast: 40
tx_multicast: 0
rx_errors: 0
tx_errors: 0
tx_dropped: 0
multicast: 40
collisions: 0
rx_length_errors: 0
rx_over_errors: 0
rx_crc_errors: 0
rx_frame_errors: 0
rx_no_buffer_count: 0
rx_missed_errors: 56073
tx_aborted_errors: 0
tx_carrier_errors: 0
tx_fifo_errors: 0
tx_heartbeat_errors: 0
tx_window_errors: 0
tx_abort_late_coll: 0
tx_deferred_ok: 0
tx_single_coll_ok: 0
tx_multi_coll_ok: 0
tx_timeout_count: 4
tx_restart_queue: 5
rx_long_length_errors: 0
rx_short_length_errors: 0
rx_align_errors: 0
tx_tcp_seg_good: 195863453
tx_tcp_seg_failed: 0
rx_flow_control_xon: 0
rx_flow_control_xoff: 0
tx_flow_control_xon: 0
tx_flow_control_xoff: 0
rx_csum_offload_good: 1500000575
rx_csum_offload_errors: 1104
rx_header_split: 0
alloc_rx_buff_failed: 0
tx_smbus: 0
rx_smbus: 0
dropped_smbus: 0
rx_dma_failed: 0
tx_dma_failed: 0
rx_hwtstamp_cleared: 0
uncorr_ecc_errors: 0
corr_ecc_errors: 0
BALANCER-WORLDNET ~ # ethtool -d eth0
MAC Registers
-------------
0x00000: CTRL (Device control register) 0x40100240
Endian mode (buffers): little
Link reset: normal
Set link up: 1
Invert Loss-Of-Signal: no
Receive flow control: disabled
Transmit flow control: disabled
VLAN mode: enabled
Auto speed detect: disabled
Speed select: 1000Mb/s
Force speed: no
Force duplex: no
0x00008: STATUS (Device status register) 0x40080083
Duplex: full
Link up: link config
TBI mode: disabled
Link speed: 1000Mb/s
Bus type: PCI
Bus speed: 33MHz
Bus width: 32-bit
0x00100: RCTL (Receive control register) 0x04008002
Receiver: enabled
Store bad packets: disabled
Unicast promiscuous: disabled
Multicast promiscuous: disabled
Long packet: disabled
Descriptor minimum threshold size: 1/2
Broadcast accept mode: accept
VLAN filter: disabled
Canonical form indicator: disabled
Discard pause frames: filtered
Pass MAC control frames: don't pass
Receive buffer size: 2048
0x02808: RDLEN (Receive desc length) 0x00001000
0x02810: RDH (Receive desc head) 0x000000E1
0x02818: RDT (Receive desc tail) 0x000000D0
0x02820: RDTR (Receive delay timer) 0x00000000
0x00400: TCTL (Transmit ctrl register) 0x3003F0FA
Transmitter: enabled
Pad short packets: enabled
Software XOFF Transmission: disabled
Re-transmit on late collision: disabled
0x03808: TDLEN (Transmit desc length) 0x00001000
0x03810: TDH (Transmit desc head) 0x00000036
0x03818: TDT (Transmit desc tail) 0x00000036
0x03820: TIDV (Transmit delay timer) 0x00000008
PHY type: unknown
BALANCER-WORLDNET ~ # ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 2
Transceiver: internal
Auto-negotiation: on
MDI-X: off (auto)
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
BALANCER-WORLDNET ~ # ethtool -e eth0
Offset Values
------ ------
0x0000: 00 1e 8c f4 5a e6 00 08 ff ff d5 00 ff ff ff ff
0x0010: ff ff ff ff c3 10 31 20 86 80 03 15 00 00 00 00
0x0020: 02 07 00 00 00 00 05 a5 28 30 00 1a 00 00 00 0c
0x0030: f4 18 40 0b 43 08 13 01 02 15 ad ba 02 15 03 15
0x0040: ad ba ad ba ad ba 02 15 00 80 90 80 00 4e 86 08
0x0050: 00 00 00 00 07 00 00 00 00 00 00 00 00 00 ff ff
0x0060: 00 01 00 40 51 13 07 40 ff ff ff ff ff ff ff ff
0x0070: ff ff ff ff ff ff ff ff ff ff 00 01 ff ff a7 97
0x0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0090: 00 00 00 00 00 00 ff ff ff ff ff ff ff ff ff ff
0x00a0: 02 34 30 00 14 02 31 00 36 38 30 00 0f 00 31 00
0x00b0: 37 38 30 00 0a 00 31 00 38 38 30 00 10 00 31 00
0x00c0: 3a 38 30 00 03 00 31 00 ae 38 30 00 18 00 31 00
0x00d0: af 38 30 00 18 00 31 00 b0 38 30 00 18 00 31 00
0x00e0: 1a 84 32 00 4c 52 3a 00 00 00 32 00 40 60 1f 00
0x00f0: 04 d1 11 00 80 60 1f 00 00 cc 10 00 80 08 15 00
0x0100: d5 35 13 00 00 00 1f 00 ff ff ff ff ff ff ff ff
0x0110: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
(rest are mostly ff and 00 values)
eth0 Link encap:Ethernet HWaddr 00:1E:8C:F4:5A:E6
inet addr:10.0.254.6 Bcast:10.0.254.31 Mask:255.255.255.224
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1492876627 errors:0 dropped:110395 overruns:0
frame:0
TX packets:1549628201 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1148839270774 (1.0 TiB) TX bytes:1133594933258 (1.0
TiB)
Interrupt:20 Memory:f7c00000-f7c20000
[17929.990868] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[17929.990868] TDH <78>
[17929.990868] TDT <24>
[17929.990868] next_to_use <24>
[17929.990868] next_to_clean <76>
[17929.990868] buffer_info[next_to_clean]:
[17929.990868] time_stamp <1010cde6a>
[17929.990868] next_to_watch <78>
[17929.990868] jiffies <1010ce2cc>
[17929.990868] next_to_watch.status <0>
[17929.990868] MAC Status <40080083>
[17929.990868] PHY Status <796d>
[17929.990868] PHY 1000BASE-T Status <3800>
[17929.990868] PHY Extended Status <3000>
[17929.990868] PCI Status <10>
[17931.991763] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[17931.991763] TDH <78>
[17931.991763] TDT <24>
[17931.991763] next_to_use <24>
[17931.991763] next_to_clean <76>
[17931.991763] buffer_info[next_to_clean]:
[17931.991763] time_stamp <1010cde6a>
[17931.991763] next_to_watch <78>
[17931.991763] jiffies <1010cea9c>
[17931.991763] next_to_watch.status <0>
[17931.991763] MAC Status <40080083>
[17931.991763] PHY Status <796d>
[17931.991763] PHY 1000BASE-T Status <3800>
[17931.991763] PHY Extended Status <3000>
[17931.991763] PCI Status <10>
[17933.992670] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[17933.992670] TDH <78>
[17933.992670] TDT <24>
[17933.992670] next_to_use <24>
[17933.992670] next_to_clean <76>
[17933.992670] buffer_info[next_to_clean]:
[17933.992670] time_stamp <1010cde6a>
[17933.992670] next_to_watch <78>
[17933.992670] jiffies <1010cf26c>
[17933.992670] next_to_watch.status <0>
[17933.992670] MAC Status <40080083>
[17933.992670] PHY Status <796d>
[17933.992670] PHY 1000BASE-T Status <3800>
[17933.992670] PHY Extended Status <3000>
[17933.992670] PCI Status <10>
[17933.995923] ------------[ cut here ]------------
[17933.996003] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:264
dev_watchdog+0x14d/0x1fd()
[17933.996122] NETDEV WATCHDOG: eth0 (e1000e): transmit queue 0 timed
out
[17933.996185] Modules linked in: xt_tcpudp xt_mark iptable_mangle
ip_tables x_tables 8021q garp stp mrp llc
[17933.997772] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
3.12.3-build-0006 #6
[17933.997837] Hardware name: /DH77KC, BIOS
KCH7710H.86A.0069.2012.0224.1825 02/24/2012
[17933.997957] 0000000000000009 ffff88031f203d80 ffffffff8151971a
0000000000000007
[17933.998078] ffff88031f203dd0 ffff88031f203dc0 ffffffff810356df
ffffffff81059db4
[17933.998197] ffffffff814bcdb7 ffff880310768000 ffff880310339000
0000000000000001
[17933.998316] Call Trace:
[17933.998374] <IRQ> [<ffffffff8151971a>] dump_stack+0x46/0x58
[17933.998447] [<ffffffff810356df>] warn_slowpath_common+0x77/0x91
[17933.998513] [<ffffffff81059db4>] ? update_curr+0x5a/0xa8
[17933.998576] [<ffffffff814bcdb7>] ? dev_watchdog+0x14d/0x1fd
[17933.998640] [<ffffffff8103578d>] warn_slowpath_fmt+0x41/0x43
[17933.998705] [<ffffffff814bcdb7>] dev_watchdog+0x14d/0x1fd
[17933.998769] [<ffffffff814bcc6a>] ?
psched_ratecfg_precompute+0x61/0x61
[17933.998835] [<ffffffff8103e1b6>] call_timer_fn.isra.27+0x25/0x7f
[17933.998905] [<ffffffff8103e357>] run_timer_softirq+0x147/0x183
[17933.998969] [<ffffffff810390bf>] __do_softirq+0xb7/0x16d
[17933.999034] [<ffffffff81520abc>] call_softirq+0x1c/0x30
[17933.999100] [<ffffffff81004392>] do_softirq+0x32/0x68
[17933.999162] [<ffffffff81039248>] irq_exit+0x3e/0x83
[17933.999227] [<ffffffff81025270>] smp_apic_timer_interrupt+0x40/0x4d
[17933.999292] [<ffffffff81520447>] apic_timer_interrupt+0x67/0x70
[17933.999354] <EOI> [<ffffffff81479426>] ?
cpuidle_enter_state+0x49/0xac
[17933.999427] [<ffffffff8147941f>] ? cpuidle_enter_state+0x42/0xac
[17933.999491] [<ffffffff8147954c>] cpuidle_idle_call+0xc3/0x10f
[17933.999557] [<ffffffff8100a0d6>] arch_cpu_idle+0x9/0x18
[17933.999621] [<ffffffff81064e92>] cpu_startup_entry+0xf6/0x154
[17933.999685] [<ffffffff81513d1e>] rest_init+0x72/0x74
[17933.999750] [<ffffffff818f1c74>] start_kernel+0x38f/0x39c
[17933.999814] [<ffffffff818f16ed>] ? repair_env_string+0x5a/0x5a
[17933.999879] [<ffffffff818f143e>] x86_64_start_reservations+0x2a/0x2c
[17933.999950] [<ffffffff818f14f1>] x86_64_start_kernel+0xb1/0xb5
[17934.000013] ---[ end trace 768f97ac33fb6771 ]---
[17934.000089] e1000e 0000:00:19.0 eth0: Reset adapter unexpectedly
[17937.928779] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow
Control: None
[40172.244444] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[40172.244444] TDH <27>
[40172.244444] TDT <12>
[40172.244444] next_to_use <12>
[40172.244444] next_to_clean <25>
[40172.244444] buffer_info[next_to_clean]:
[40172.244444] time_stamp <10260192d>
[40172.244444] next_to_watch <27>
[40172.244444] jiffies <102601e8c>
[40172.244444] next_to_watch.status <0>
[40172.244444] MAC Status <40080083>
[40172.244444] PHY Status <796d>
[40172.244444] PHY 1000BASE-T Status <3800>
[40172.244444] PHY Extended Status <3000>
[40172.244444] PCI Status <10>
[40174.245374] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[40174.245374] TDH <27>
[40174.245374] TDT <12>
[40174.245374] next_to_use <12>
[40174.245374] next_to_clean <25>
[40174.245374] buffer_info[next_to_clean]:
[40174.245374] time_stamp <10260192d>
[40174.245374] next_to_watch <27>
[40174.245374] jiffies <10260265c>
[40174.245374] next_to_watch.status <0>
[40174.245374] MAC Status <40080083>
[40174.245374] PHY Status <796d>
[40174.245374] PHY 1000BASE-T Status <3800>
[40174.245374] PHY Extended Status <3000>
[40174.245374] PCI Status <10>
[40176.246288] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[40176.246288] TDH <27>
[40176.246288] TDT <12>
[40176.246288] next_to_use <12>
[40176.246288] next_to_clean <25>
[40176.246288] buffer_info[next_to_clean]:
[40176.246288] time_stamp <10260192d>
[40176.246288] next_to_watch <27>
[40176.246288] jiffies <102602e2c>
[40176.246288] next_to_watch.status <0>
[40176.246288] MAC Status <40080083>
[40176.246288] PHY Status <796d>
[40176.246288] PHY 1000BASE-T Status <3800>
[40176.246288] PHY Extended Status <3000>
[40176.246288] PCI Status <10>
[40178.247156] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[40178.247156] TDH <27>
[40178.247156] TDT <12>
[40178.247156] next_to_use <12>
[40178.247156] next_to_clean <25>
[40178.247156] buffer_info[next_to_clean]:
[40178.247156] time_stamp <10260192d>
[40178.247156] next_to_watch <27>
[40178.247156] jiffies <1026035fc>
[40178.247156] next_to_watch.status <0>
[40178.247156] MAC Status <40080083>
[40178.247156] PHY Status <796d>
[40178.247156] PHY 1000BASE-T Status <3800>
[40178.247156] PHY Extended Status <3000>
[40178.247156] PCI Status <10>
[40178.250476] e1000e 0000:00:19.0 eth0: Reset adapter unexpectedly
[40182.163300] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow
Control: None
[46621.217377] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[46621.217377] TDH <67>
[46621.217377] TDT <b4>
[46621.217377] next_to_use <b4>
[46621.217377] next_to_clean <66>
[46621.217377] buffer_info[next_to_clean]:
[46621.217377] time_stamp <102c2716b>
[46621.217377] next_to_watch <67>
[46621.217377] jiffies <102c27a3c>
[46621.217377] next_to_watch.status <0>
[46621.217377] MAC Status <40080083>
[46621.217377] PHY Status <796d>
[46621.217377] PHY 1000BASE-T Status <3800>
[46621.217377] PHY Extended Status <3000>
[46621.217377] PCI Status <10>
[46623.218258] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[46623.218258] TDH <67>
[46623.218258] TDT <b4>
[46623.218258] next_to_use <b4>
[46623.218258] next_to_clean <66>
[46623.218258] buffer_info[next_to_clean]:
[46623.218258] time_stamp <102c2716b>
[46623.218258] next_to_watch <67>
[46623.218258] jiffies <102c2820c>
[46623.218258] next_to_watch.status <0>
[46623.218258] MAC Status <40080083>
[46623.218258] PHY Status <796d>
[46623.218258] PHY 1000BASE-T Status <3800>
[46623.218258] PHY Extended Status <3000>
[46623.218258] PCI Status <10>
[46625.219248] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[46625.219248] TDH <67>
[46625.219248] TDT <b4>
[46625.219248] next_to_use <b4>
[46625.219248] next_to_clean <66>
[46625.219248] buffer_info[next_to_clean]:
[46625.219248] time_stamp <102c2716b>
[46625.219248] next_to_watch <67>
[46625.219248] jiffies <102c289dc>
[46625.219248] next_to_watch.status <0>
[46625.219248] MAC Status <40080083>
[46625.219248] PHY Status <796d>
[46625.219248] PHY 1000BASE-T Status <3800>
[46625.219248] PHY Extended Status <3000>
[46625.219248] PCI Status <10>
[46625.222534] e1000e 0000:00:19.0 eth0: Reset adapter unexpectedly
[46629.154379] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow
Control: None
[59201.016664] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[59201.016664] TDH <ba>
[59201.016664] TDT <a5>
[59201.016664] next_to_use <a5>
[59201.016664] next_to_clean <b8>
[59201.016664] buffer_info[next_to_clean]:
[59201.016664] time_stamp <103824c6c>
[59201.016664] next_to_watch <ba>
[59201.016664] jiffies <10382576c>
[59201.016664] next_to_watch.status <0>
[59201.016664] MAC Status <40080083>
[59201.016664] PHY Status <796d>
[59201.016664] PHY 1000BASE-T Status <3800>
[59201.016664] PHY Extended Status <3000>
[59201.016664] PCI Status <10>
[59203.017583] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[59203.017583] TDH <ba>
[59203.017583] TDT <a5>
[59203.017583] next_to_use <a5>
[59203.017583] next_to_clean <b8>
[59203.017583] buffer_info[next_to_clean]:
[59203.017583] time_stamp <103824c6c>
[59203.017583] next_to_watch <ba>
[59203.017583] jiffies <103825f3c>
[59203.017583] next_to_watch.status <0>
[59203.017583] MAC Status <40080083>
[59203.017583] PHY Status <796d>
[59203.017583] PHY 1000BASE-T Status <3800>
[59203.017583] PHY Extended Status <3000>
[59203.017583] PCI Status <10>
[59205.018454] e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang:
[59205.018454] TDH <ba>
[59205.018454] TDT <a5>
[59205.018454] next_to_use <a5>
[59205.018454] next_to_clean <b8>
[59205.018454] buffer_info[next_to_clean]:
[59205.018454] time_stamp <103824c6c>
[59205.018454] next_to_watch <ba>
[59205.018454] jiffies <10382670c>
[59205.018454] next_to_watch.status <0>
[59205.018454] MAC Status <40080083>
[59205.018454] PHY Status <796d>
[59205.018454] PHY 1000BASE-T Status <3800>
[59205.018454] PHY Extended Status <3000>
[59205.018454] PCI Status <10>
[59205.021788] e1000e 0000:00:19.0 eth0: Reset adapter unexpectedly
[59208.789543] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow
Control: None
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