From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934251AbXGMOCs (ORCPT ); Fri, 13 Jul 2007 10:02:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761283AbXGMOCe (ORCPT ); Fri, 13 Jul 2007 10:02:34 -0400 Received: from py-out-1112.google.com ([64.233.166.183]:32602 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761064AbXGMOCc (ORCPT ); Fri, 13 Jul 2007 10:02:32 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:mime-version:content-type; b=dCDjYCfvOTtAje4YtrCOtJw5u2ePpBqipsVzMZF4uAgHZx38CvaEUDc0jw/rww/Aaw4gF2cYt7iwcNDQKBem7QTlMjcNYPsFboVs3WIOpPI7YUoV13UFQCFsgkQzOCZaJA6/+Eq79bP0zcUPJUNOPa2R5W9S1dfJ9tooa1DgSL4= Message-ID: <6d4bc9fc0707130702l41f58c20l72423be27292d884@mail.gmail.com> Date: Fri, 13 Jul 2007 16:02:29 +0200 From: "Maarten Maathuis" To: linux-kernel@vger.kernel.org Subject: [realtime-preempt] [x86_64] HR_TIMER and/or DYNTICKS cause an early boot freeze MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_21828_4750404.1184335349438" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org ------=_Part_21828_4750404.1184335349438 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline I have determined that version 2.6.22.1-rt2 freeze after: NET: Register protocol family 2 This is very early in the boot stage, and i cannot determine what exactly causes it. It happens if either high resolution timers or dynamic ticks are active. I have included the config file that does work (so dynticks and hr_timers are disabled). Please CC any replies, as i am not a member of this mailinglist. Sincerly, Maarten Maathuis: lspci -vv: 00:00.0 Memory controller: nVidia Corporation CK804 Memory Controller (rev a3) Subsystem: ASUSTeK Computer Inc. A8N-E Mainboard Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- Reset- FastB2B- 00:0a.0 Bridge: nVidia Corporation CK804 Ethernet Controller (rev a3) Subsystem: ASUSTeK Computer Inc. K8N4-E or A8N-E Mainboard Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR- TAbort- Reset- FastB2B- Capabilities: [40] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [48] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 Enable+ Address: 00000000fee0100c Data: 4149 Capabilities: [58] HyperTransport: MSI Mapping Capabilities: [80] Express Root Port (Slot+) IRQ 0 Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag- Device: Latency L0s <512ns, L1 <4us Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ Device: MaxPayload 128 bytes, MaxReadReq 512 bytes Link: Supported Speed 2.5Gb/s, Width x2, ASPM L0s, Port 3 Link: Latency L0s <512ns, L1 <4us Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x4 Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise- Slot: Number 8, PowerLimit 25.000000 Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- Slot: AttnInd Off, PwrInd On, Power- Root: Correctable- Non-Fatal- Fatal- PME- Capabilities: [100] Virtual Channel 00:0c.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- Capabilities: [40] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [48] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 Enable+ Address: 00000000fee0100c Data: 4151 Capabilities: [58] HyperTransport: MSI Mapping Capabilities: [80] Express Root Port (Slot+) IRQ 0 Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag- Device: Latency L0s <512ns, L1 <4us Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ Device: MaxPayload 128 bytes, MaxReadReq 512 bytes Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s, Port 2 Link: Latency L0s <512ns, L1 <4us Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x4 Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise- Slot: Number 4, PowerLimit 10.000000 Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- Slot: AttnInd Off, PwrInd On, Power- Root: Correctable- Non-Fatal- Fatal- PME- Capabilities: [100] Virtual Channel 00:0d.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- Capabilities: [40] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [48] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 Enable+ Address: 00000000fee0100c Data: 4159 Capabilities: [58] HyperTransport: MSI Mapping Capabilities: [80] Express Root Port (Slot+) IRQ 0 Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag- Device: Latency L0s <512ns, L1 <4us Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ Device: MaxPayload 128 bytes, MaxReadReq 512 bytes Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s, Port 1 Link: Latency L0s <512ns, L1 <4us Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x8 Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise- Slot: Number 2, PowerLimit 10.000000 Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- Slot: AttnInd Off, PwrInd On, Power- Root: Correctable- Non-Fatal- Fatal- PME- Capabilities: [100] Virtual Channel 00:0e.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- Capabilities: [40] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [48] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 Enable+ Address: 00000000fee0100c Data: 4161 Capabilities: [58] HyperTransport: MSI Mapping Capabilities: [80] Express Root Port (Slot+) IRQ 0 Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag- Device: Latency L0s <512ns, L1 <4us Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ Device: MaxPayload 128 bytes, MaxReadReq 512 bytes Link: Supported Speed 2.5Gb/s, Width x16, ASPM L0s, Port 0 Link: Latency L0s <512ns, L1 <4us Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x16 Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise- Slot: Number 1, PowerLimit 75.000000 Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- Slot: AttnInd Off, PwrInd On, Power- Root: Correctable- Non-Fatal- Fatal- PME- Capabilities: [100] Virtual Channel 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR-