From: Igor Gnatenko <i.gnatenko.brain@gmail.com>
To: linux-wireless <linux-wireless@vger.kernel.org>
Cc: "Wysocki, Rafael" <rafael@kernel.org>, Alex Nik <rage.iz.me@gmail.com>
Subject: [REGRESSION] iwlfiwi with Intel Centrino N1000 won't work with power_save
Date: Wed, 14 Jan 2015 11:31:14 +0300 [thread overview]
Message-ID: <1421224274.2012.2.camel@gmail.com> (raw)
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Hi,
I got report from people that on Intel Centrino N1000 wifi won't work
after
updating to 3.17.8. I see in that release Fedora maints enabled
POWERCAP and
INTEL RAPL. We got working wifi only after disabling powersave via `iw
dev wlp2s0 set power_save off`.
How we can debug this?
lspci above.
02:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-
N 1000 [Condor Peak] [8086:0084]
Subsystem: Intel Corporation Centrino Wireless-N 1000 BGN
[8086:1315]
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 28
Region 0: Memory at d1500000 (64-bit, non-prefetchable)
[size=8K]
Capabilities: [c8] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-
,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee0800c Data: 4122
Capabilities: [e0] Express (v1) Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
<512ns, L1 unlimited
ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ FLReset-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq-
AuxPwr+ TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1,
Exit Latency L0s <128ns, L1 <32us
ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, 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: 00, GenCap- CGenEn-
ChkCap- ChkEn-
Capabilities: [140 v1] Device Serial Number 74-e5-0b-ff-ff-cc-
82-24
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
--
-Igor Gnatenko
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next reply other threads:[~2015-01-14 8:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-14 8:31 Igor Gnatenko [this message]
[not found] ` <1421224274.2012.2.camel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-01-14 8:40 ` [REGRESSION] iwlfiwi with Intel Centrino N1000 won't work with power_save Igor Gnatenko
2015-01-14 8:40 ` Igor Gnatenko
2015-01-14 9:53 ` Emmanuel Grumbach
2015-01-14 10:14 ` Igor Gnatenko
2015-01-14 10:36 ` Emmanuel Grumbach
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