Public bug reported:
kernel bug in r8169 driver? It is interesting that the link goes down
for 2 s, then some 18 s after it went down, the queue stalls. The NIC
can't possibly transmit when the link goes down and needs to purge its
queue.
(installed kernel package linux-image-2.6.38-15-generic-pae)
relevant dmesg excerpt:
[24968.478881] r8169 0000:02:00.0: eth0: link down
[24970.115574] r8169 0000:02:00.0: eth0: link up
[24988.000018] ------------[ cut here ]------------
[24988.000029] WARNING: at
/build/buildd/linux-2.6.38/net/sched/sch_generic.c:256
dev_watchdog+0x213/0x220()
[24988.000032] Hardware name: GA-MA770-UD3
[24988.000035] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
[24988.000037] Modules linked in: btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus
hfs minix ntfs vfat msdos fat jfs xfs reiserfs ipt_MASQUERADE iptable_nat
nf_nat ipt_REJECT xt_recent nf_conntrack_ipv4 nf_defrag_ipv4 xt_state
nf_conntrack xt_tcpudp iptable_filter ip_tables x_tables binfmt_misc pci_stub
vboxpci vboxnetadp vboxnetflt vboxdrv nfsd lp exportfs nfs lockd fscache
nfs_acl auth_rpcgss sunrpc dm_crypt nvidia(P) ppdev snd_hda_codec_realtek
snd_hda_intel arc4 snd_hda_codec snd_hwdep rt2500pci snd_pcm rt2x00pci
parport_pc parport rt2x00lib mac80211 snd_seq_midi snd_rawmidi cfg80211
eeprom_93cx6 snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore
sp5100_tco i2c_piix4 snd_page_alloc it87 hwmon_vid asus_atk0110 k8temp raid10
raid456 async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx
raid0 multipath linear vga16fb vgastate raid1 usbhid hid usb_storage ahci
firewire_ohci uas libahci firewire_core r8169 pata_atiixp crc_itu_t ati_agp
[24988.000117] Pid: 0, comm: kworker/0:0 Tainted: P
2.6.38-15-generic-pae #61-Ubuntu
[24988.000120] Call Trace:
[24988.000127] [<c1058e42>] ? warn_slowpath_common+0x72/0xa0
[24988.000131] [<c14766c3>] ? dev_watchdog+0x213/0x220
[24988.000134] [<c14766c3>] ? dev_watchdog+0x213/0x220
[24988.000138] [<c1058f13>] ? warn_slowpath_fmt+0x33/0x40
[24988.000141] [<c14766c3>] ? dev_watchdog+0x213/0x220
[24988.000145] [<c1052789>] ? load_balance+0x89/0x4a0
[24988.000149] [<c106623b>] ? call_timer_fn+0x2b/0xe0
[24988.000152] [<c14764b0>] ? dev_watchdog+0x0/0x220
[24988.000155] [<c1067579>] ? run_timer_softirq+0xe9/0x1e0
[24988.000159] [<c14764b0>] ? dev_watchdog+0x0/0x220
[24988.000163] [<c105fb52>] ? __do_softirq+0x82/0x170
[24988.000166] [<c105fad0>] ? __do_softirq+0x0/0x170
[24988.000169] <IRQ> [<c105fd1d>] ? irq_exit+0x6d/0x80
[24988.000175] [<c153f0eb>] ? smp_apic_timer_interrupt+0x5b/0x8a
[24988.000180] [<c1538779>] ? apic_timer_interrupt+0x31/0x38
[24988.000185] [<c1034d0a>] ? native_safe_halt+0xa/0x10
[24988.000190] [<c10122c8>] ? default_idle+0x58/0xe0
[24988.000194] [<c101239d>] ? c1e_idle+0x4d/0x100
[24988.000198] [<c100944a>] ? cpu_idle+0x8a/0xc0
[24988.000202] [<c15330ec>] ? setup_APIC_timer+0x69/0x6d
[24988.000205] [<c1532c30>] ? start_secondary+0xd5/0xdc
[24988.000208] ---[ end trace 5b92be082b60ae3d ]---
[24988.016080] r8169 0000:02:00.0: eth0: link up
network seems live again from here (remote SSH login works)
Versions:
Ubuntu 2.6.38-15.61-generic-pae 2.6.38.8
Linux hostname 2.6.38-15-generic-pae #61-Ubuntu SMP Tue Jun 12 19:32:42
UTC 2012 i686 athlon i386 GNU/Linux
lspci output:
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 02)
Subsystem: Giga-byte Technology GA-EP45-DS5 Motherboard [1458:e000]
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: 64 bytes
Interrupt: pin A routed to IRQ 42
Region 0: I/O ports at de00 [size=256]
Region 2: Memory at fdfff000 (64-bit, prefetchable) [size=4K]
Region 4: Memory at fdfe0000 (64-bit, prefetchable) [size=64K]
[virtual] Expansion ROM at fdf00000 [disabled] [size=64K]
Capabilities: [40] Power Management version 3
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+
Address: 00000000fee0300c Data: 4169
Capabilities: [70] Express (v1) Endpoint, MSI 01
DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <512ns, L1 <8us
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 #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0
<512ns, 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 x1, TrErr- Train- SlotClk+ DLActive-
BWMgmt- ABWMgmt-
Capabilities: [b0] MSI-X: Enable- Count=2 Masked-
Vector table: BAR=4 offset=00000000
PBA: BAR=4 offset=00000800
Capabilities: [d0] Vital Product Data
Unknown small resource type 00, will not decode more.
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: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
Capabilities: [140 v1] Virtual Channel
Caps: LPEVC=0 RefClk=100ns PATEntryBits=1
Arb: Fixed- WRR32- WRR64- WRR128-
Ctrl: ArbSelect=Fixed
Status: InProgress-
VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff
Status: NegoPending- InProgress-
Capabilities: [160 v1] Device Serial Number 12-34-56-78-12-34-56-78
Kernel driver in use: r8169
Kernel modules: r8169
03:07.0 Network controller [0280]: Ralink corp. RT2500 802.11g [1814:0201] (rev
01)
Subsystem: Ralink corp. Device [1814:2560]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping-
SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 32, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 21
Region 0: Memory at fdefc000 (32-bit, non-prefetchable) [size=8K]
Capabilities: [40] 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=0 PME-
Kernel driver in use: rt2500pci
Kernel modules: rt2500pci
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-15-generic-pae 2.6.38-15.61
ProcVersionSignature: Ubuntu 2.6.38-15.61-generic-pae 2.6.38.8
Uname: Linux 2.6.38-15-generic-pae i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: emma 9409 F.... pulseaudio
/dev/snd/pcmC0D0p: emma 9409 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,1458e601,00100001'
Controls : 39
Simple ctrls : 21
Date: Tue Jul 17 09:28:45 2012
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=0a708ba9-a60d-46c5-9368-4e807e3f832c
MachineType: Gigabyte Technology Co., Ltd. GA-MA770-UD3
ProcEnviron:
LANGUAGE=de_DE:de:en_GB:en
PATH=(custom, no user)
LANG=de_DE.utf8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-15-generic-pae
root=UUID=3b733857-b191-4d8a-8a09-fbf79907bdda ro splash quiet vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-2.6.38-15-generic-pae N/A
linux-backports-modules-2.6.38-15-generic-pae N/A
linux-firmware 1.52.4
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
UserAsoundrc:
# ALSA library configuration file
# Include settings that are under the control of asoundconf(1).
# (To disable these settings, comment out this line.)
</home/emma/.asoundrc.asoundconf>
WpaSupplicantLog:
dmi.bios.date: 10/09/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: FF
dmi.board.name: GA-MA770-UD3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrFF:bd10/09/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA770-UD3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA770-UD3:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA770-UD3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 natty
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https://bugs.launchpad.net/bugs/1025556
Title:
r8169 driver fails after link went down intermittently
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