有线网卡在debian下不能正常联网。具体表现为,接入网线后接通指示灯不亮起。ethtool查看无连接。dmesg显示没有接入。交换机和路由器换过多个,均有此问题。
使用ethtool将模式转换为autoneg no后,联网就正常了。但是模式必须限定为10M,duplex half。其他模式均不能正常工作。
系统是debian testing(wheezy),内核是3.2.41-2,包是linux-image-3.2.0-4-amd64。升级时间是4.6,问题出现事件稍晚一周左右,因此不能完全肯定问题由内核引起,也不能排除此种可能。
由于系统efi引导,更换stable的2.6.32-48内核后无效,无法启动系统。同样因为efi的关系,usbdisk无法获得比硬盘更高的引导优先级,因此目前连usbdisk都无法测试。(当然,也就无法重装)目前正在设法改bios,重启进入liveusb测试。
查阅过相关资料,可能更换realtek的r8168驱动。实际跑了一下r8168-8.032.00和r8168-8.035.00两个版本,均无效。甚至连转换为autoneg no联网都不行了。
系统原装的ubuntu 11.04没有被删除。第一次出现问题后,重启进入原装系统,问题消失。恢复debian后问题也没有出现。过一两天后问题再次出现,进入ubuntu也不能解决问题。
测试过network manager, wicd, ifupdown, ifconfig手工设定,可以肯定与此无关。
设备型号thinkpad e135,网卡lspci如下:
shell@e135:~$ sudo lspci -s 3:0 -vnvn
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 07)
Subsystem: Lenovo Device [17aa:5105]
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 41
Region 0: I/O ports at 2000 [size=256]
Region 2: Memory at f0004000 (64-bit, prefetchable) [size=4K]
Region 4: Memory at f0000000 (64-bit, prefetchable) [size=16K]
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=1/1 Maskable- 64bit+
Address: 00000000fee0100c Data: 4159
Capabilities: [70] Express (v2) Endpoint, MSI 01
DevCap: MaxPayload 128 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 #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 unlimited, 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-
DevCap2: Completion Timeout: Range ABCD, TimeoutDis+
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-, Selectable De-emphasis: -6dB
Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-, EqualizationPhase1-
EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest-
Capabilities: [b0] MSI-X: Enable- Count=4 Masked-
Vector table: BAR=4 offset=00000000
PBA: BAR=4 offset=00000800
Capabilities: [d0] Vital Product Data
No end tag found
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 8f-00-00-00-68-4c-e0-00
Kernel driver in use: r8169
dmesg如下。注意这个过程中多次插入网线,没有反应。
shell@e135:~/workspace/r8168$ dmesg | grep eth
[ 0.228370] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[ 0.246838] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[ 0.983939] r8169 0000:03:00.0: eth0: RTL8168evl/8111evl at 0xffffc9000067e000, 08:9e:01:6b:df:21, XID 0c900800 IRQ 41
[ 0.983945] r8169 0000:03:00.0: eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko]
[ 4.829457] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[ 14.353274] r8169 0000:03:00.0: eth0: link down
[ 14.355184] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 48.485229] r8169 0000:03:00.0: eth0: link down
我知道这不大应该,不过这封邮件投递到shlug和debian-cn两个maillist。感谢任何对此类问题的解答。
另外。如果问题始终不能解决,我是应该向kernel提交issue呢?还是找厂家换一台呢?
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