Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752421Ab0GLTy4 (ORCPT ); Mon, 12 Jul 2010 15:54:56 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:51648 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750920Ab0GLTyz convert rfc822-to-8bit (ORCPT ); Mon, 12 Jul 2010 15:54:55 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=x19ncew9H4UHobYsRWPSfvTet2ABK8e7oo6cjbyXi8bxFkQ0YvRaCz3TuvepNGIiPy +wJJxNSMb4kF5eB/y1nB8zBZqAOGvsmzbOg8fVqieiWmRQBnJpsziTmwHlAT3gyROj/D 7SMwpbUvOnqvEAMyK/nvaDXAIU3M2U1EUoeJA= MIME-Version: 1.0 In-Reply-To: References: Date: Mon, 12 Jul 2010 21:54:52 +0200 Message-ID: Subject: Re: Regression 2.6.34->2.6.35-rc4: radeaon KMS an RS690 broken From: Torsten Kaiser To: Alex Deucher Cc: DRI mailing list , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 14812 Lines: 298 On Mon, Jul 12, 2010 at 5:23 PM, Alex Deucher wrote: > On Sun, Jul 11, 2010 at 3:56 PM, Torsten Kaiser > wrote: >> I just tried 2.6.35-rc4 to see, if a different bug is fixed, but noted >> that this kernel will only boot with radeon.modeset=0. >> >> If KMS is active the display turns off and the system is completely >> dead, not even SysRq+B is working. >> >> I build a new kernel with the radeon driver as a module and inserted >> it by hand via ssh. >> The ssh session, I was using has this output: >> ariolc drm # insmod ./drm_kms_helper.ko >> ariolc drm # insmod ttm/ttm.ko >> ariolc drm # insmod radeon/radeon.ko >> Segmentation fault >> ariolc drm # >> >> The final insmod segfaulted, the shell was displaying a new prompt, >> but not new input was possible. >> The system still reacted to ping and trying to create a new ssh >> connection resulted in a password prompt, but after entering the >> password no shell was provided. >> I tried SysRq+S, SysRq+U and SysRq+B, but not visible result. After a >> reboot I did not find any additional information in /var/log/messages. >> The effect was like the boot time failures with a builtin radeon >> driver: The display (attached to the VGA output) just turns off. >> >> But I had a second ssh connection open, doing tail -f /var/log/messages: >> Jul 11 21:30:23 ariolc kernel: [ ?131.720470] [drm] radeon defaulting >> to kernel modesetting. >> Jul 11 21:30:23 ariolc kernel: [ ?131.720477] [drm] radeon kernel >> modesetting enabled. >> Jul 11 21:30:23 ariolc kernel: [ ?131.720623] radeon 0000:01:05.0: PCI >> INT A -> GSI 18 (level, low) -> IRQ 18 >> Jul 11 21:30:23 ariolc kernel: [ ?131.726859] [drm] initializing >> kernel modesetting (RS690 0x1002:0x791E). >> Jul 11 21:30:23 ariolc kernel: [ ?131.728607] [drm] register mmio >> base: 0xFE9F0000 >> Jul 11 21:30:23 ariolc kernel: [ ?131.728613] [drm] register mmio >> size: 65536 >> Jul 11 21:30:23 ariolc kernel: [ ?131.729591] ATOM BIOS: ATI >> Jul 11 21:30:23 ariolc kernel: [ ?131.729625] radeon 0000:01:05.0: >> VRAM: 32M 0xDE000000 - 0xDFFFFFFF (32M used) >> Jul 11 21:30:23 ariolc kernel: [ ?131.729632] radeon 0000:01:05.0: >> GTT: 512M 0xBE000000 - 0xDDFFFFFF >> Jul 11 21:30:23 ariolc kernel: [ ?131.729675] [drm] radeon: irq initialized. >> Jul 11 21:30:23 ariolc kernel: [ ?131.729690] mtrr: type mismatch for >> fc000000,2000000 old: write-back new: write-combining >> Jul 11 21:30:23 ariolc kernel: [ ?131.729696] [drm] Detected VRAM >> RAM=32M, BAR=32M >> Jul 11 21:30:23 ariolc kernel: [ ?131.729701] [drm] RAM width 128bits DDR >> Jul 11 21:30:23 ariolc kernel: [ ?131.729796] [TTM] Zone ?kernel: >> Available graphics memory: 2010998 kiB. >> Jul 11 21:30:23 ariolc kernel: [ ?131.729802] [TTM] Initializing pool allocator. >> Jul 11 21:30:23 ariolc kernel: [ ?131.729841] [drm] radeon: 32M of >> VRAM memory ready >> Jul 11 21:30:23 ariolc kernel: [ ?131.729846] [drm] radeon: 512M of >> GTT memory ready. >> Jul 11 21:30:23 ariolc kernel: [ ?131.729857] [drm] GART: num cpu >> pages 131072, num gpu pages 131072 >> Jul 11 21:30:23 ariolc kernel: [ ?131.736223] [drm] radeon: 1 quad >> pipes, 1 z pipes initialized. >> Jul 11 21:30:23 ariolc kernel: [ ?131.752553] [drm] Loading >> RS690/RS740 Microcode >> Jul 11 21:30:23 ariolc kernel: [ ?131.911461] [drm] radeon: ring at >> 0x00000000BE000000 >> Jul 11 21:30:23 ariolc kernel: [ ?132.055912] [drm:r100_ring_test] >> *ERROR* radeon: ring test failed (sracth(0x15E4)=0xCAFEDEAD) >> Jul 11 21:30:23 ariolc kernel: [ ?132.055918] [drm:r100_cp_init] >> *ERROR* radeon: cp isn't working (-22). >> Jul 11 21:30:23 ariolc kernel: [ ?132.055925] radeon 0000:01:05.0: >> failled initializing CP (-22). >> Jul 11 21:30:23 ariolc kernel: [ ?132.055929] radeon 0000:01:05.0: >> Disabling GPU acceleration >> Jul 11 21:30:23 ariolc kernel: [ ?132.056174] [drm] radeon: cp finalized >> Jul 11 21:30:23 ariolc kernel: [ ?132.057378] [drm] Default TV standard: NTSC >> Jul 11 21:30:23 ariolc kernel: [ ?132.058671] [drm] Default TV standard: NTSC >> Jul 11 21:30:23 ariolc kernel: [ ?132.059748] [drm] Radeon Display Connectors >> Jul 11 21:30:23 ariolc kernel: [ ?132.059753] [drm] Connector 0: >> Jul 11 21:30:23 ariolc kernel: [ ?132.059756] [drm] ? VGA >> Jul 11 21:30:23 ariolc kernel: [ ?132.059763] [drm] ? DDC: 0x7e50 >> 0x7e40 0x7e54 0x7e44 0x7e58 0x7e48 0x7e5c 0x7e4c >> Jul 11 21:30:23 ariolc kernel: [ ?132.059766] [drm] ? Encoders: >> Jul 11 21:30:23 ariolc kernel: [ ?132.059770] [drm] ? ? CRT1: >> INTERNAL_KLDSCP_DAC1 >> Jul 11 21:30:23 ariolc kernel: [ ?132.059773] [drm] Connector 1: >> Jul 11 21:30:23 ariolc kernel: [ ?132.059776] [drm] ? S-video >> Jul 11 21:30:23 ariolc kernel: [ ?132.059778] [drm] ? Encoders: >> Jul 11 21:30:23 ariolc kernel: [ ?132.059781] [drm] ? ? TV1: >> INTERNAL_KLDSCP_DAC1 >> Jul 11 21:30:23 ariolc kernel: [ ?132.059784] [drm] Connector 2: >> Jul 11 21:30:23 ariolc kernel: [ ?132.059787] [drm] ? HDMI-A >> Jul 11 21:30:23 ariolc kernel: [ ?132.059792] [drm] ? DDC: 0x7e40 >> 0x7e50 0x7e44 0x7e54 0x7e48 0x7e58 0x7e4c 0x7e5c >> Jul 11 21:30:23 ariolc kernel: [ ?132.059795] [drm] ? Encoders: >> Jul 11 21:30:23 ariolc kernel: [ ?132.059798] [drm] ? ? DFP3: INTERNAL_LVTM1 >> Jul 11 21:30:23 ariolc kernel: [ ?132.253484] [drm] fb mappable at 0xFC040000 >> Jul 11 21:30:23 ariolc kernel: [ ?132.253488] [drm] vram apper at 0xFC000000 >> Jul 11 21:30:23 ariolc kernel: [ ?132.253489] [drm] size 786432 >> Jul 11 21:30:23 ariolc kernel: [ ?132.253491] [drm] fb depth is 8 >> Jul 11 21:30:23 ariolc kernel: [ ?132.253492] [drm] ? ?pitch is 1024 >> Jul 11 21:30:23 ariolc kernel: [ ?132.253880] fbcon: radeondrmfb (fb0) >> is primary device >> >> Hardware info: (lspci -vv from 2.6.33) >> 00:00.0 Host bridge: ATI Technologies Inc RS690 Host Bridge >> ? ? ? ?Subsystem: ATI Technologies Inc RS690 Host Bridge >> ? ? ? ?Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- >> ParErr- Stepping- SERR- FastB2B- DisINTx- >> ? ? ? ?Status: Cap- 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >>>TAbort- SERR- > ? ? ? ?Latency: 0 >> >> 00:01.0 PCI bridge: ATI Technologies Inc RS690 PCI to PCI Bridge >> (Internal gfx) (prog-if 00 [Normal decode]) >> ? ? ? ?Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- >> ParErr- Stepping- SERR+ FastB2B- DisINTx- >> ? ? ? ?Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >>>TAbort- SERR- > ? ? ? ?Latency: 64 >> ? ? ? ?Bus: primary=00, secondary=01, subordinate=01, sec-latency=64 >> ? ? ? ?I/O behind bridge: 0000c000-0000cfff >> ? ? ? ?Memory behind bridge: fe800000-fe9fffff >> ? ? ? ?Prefetchable memory behind bridge: 00000000fc000000-00000000fdffffff >> ? ? ? ?Secondary status: 66MHz+ FastB2B- ParErr- DEVSEL=medium >>>TAbort- > ? ? ? ?BridgeCtl: Parity- SERR+ NoISA- VGA+ MAbort- >Reset- FastB2B- >> ? ? ? ? ? ? ? ?PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- >> ? ? ? ?Capabilities: [44] HyperTransport: MSI Mapping Enable+ Fixed+ >> ? ? ? ?Capabilities: [b0] Subsystem: ATI Technologies Inc RS690 PCI >> to PCI Bridge (Internal gfx) >> >> 00:07.0 PCI bridge: ATI Technologies Inc RS690 PCI to PCI Bridge (PCI >> Express Port 3) ( >> prog-if 00 [Normal decode]) >> ? ? ? ?Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- >> ParErr- Stepping- S >> ERR+ FastB2B- DisINTx+ >> ? ? ? ?Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- >> > - >SERR- > ? ? ? ?Latency: 0, Cache Line Size: 64 bytes >> ? ? ? ?Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 >> ? ? ? ?I/O behind bridge: 0000d000-0000dfff >> ? ? ? ?Memory behind bridge: fea00000-feafffff >> ? ? ? ?Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- >> > - > ? ? ? ?BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B- >> ? ? ? ? ? ? ? ?PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- >> ? ? ? ?Capabilities: [50] Power Management version 3 >> ? ? ? ? ? ? ? ?Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA >> PME(D0+,D1-,D2-,D3hot+,D3col >> d+) >> ? ? ? ? ? ? ? ?Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- >> ? ? ? ?Capabilities: [58] Express (v1) Root Port (Slot+), MSI 00 >> ? ? ? ? ? ? ? ?DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s >> <64ns, L1 <1us >> ? ? ? ? ? ? ? ? ? ? ? ?ExtTag+ RBE+ FLReset- >> ? ? ? ? ? ? ? ?DevCtl: Report errors: Correctable- Non-Fatal- Fatal- >> Unsupported- >> ? ? ? ? ? ? ? ? ? ? ? ?RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ >> ? ? ? ? ? ? ? ? ? ? ? ?MaxPayload 128 bytes, MaxReadReq 128 bytes >> ? ? ? ? ? ? ? ?DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- >> AuxPwr- TransPend- >> ? ? ? ? ? ? ? ?LnkCap: Port #4, Speed 2.5GT/s, Width x1, ASPM L0s L1, >> Latency L0 <64ns, L1 <1us >> ? ? ? ? ? ? ? ? ? ? ? ?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- >> ? ? ? ? ? ? ? ?SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- >> HotPlug- Surpise- >> ? ? ? ? ? ? ? ? ? ? ? ?Slot # ?6, PowerLimit 25.000000; Interlock- NoCompl- >> ? ? ? ? ? ? ? ?SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- >> CmdCplt- HPIrq- LinkChg- >> ? ? ? ? ? ? ? ? ? ? ? ?Control: AttnInd Off, PwrInd Off, Power- Interlock- >> ? ? ? ? ? ? ? ?SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- >> PresDet+ Interlock- >> ? ? ? ? ? ? ? ? ? ? ? ?Changed: MRL- PresDet+ LinkState- >> ? ? ? ? ? ? ? ?RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- >> PMEIntEna- CRSVisible- >> ? ? ? ? ? ? ? ?RootCap: CRSVisible- >> ? ? ? ? ? ? ? ?RootSta: PME ReqID 0000, PMEStatus- PMEPending- >> ? ? ? ?Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- >> ? ? ? ? ? ? ? ?Address: fee0300c ?Data: 4149 >> ? ? ? ?Capabilities: [b0] Subsystem: ATI Technologies Inc RS690 PCI >> to PCI Bridge >> ? ? ? ?Capabilities: [b8] HyperTransport: MSI Mapping Enable+ Fixed+ >> ? ? ? ?Capabilities: [100] Virtual Channel >> ? ? ? ?Kernel driver in use: pcieport >> >> KMS was working stable on 2.6.33 and seems to work on 2.6.34 (Not >> really tested, because 2.6.34 is not working for me, but I'm not sure >> if that is KMS related) >> >> Output from working KMS in 2.6.33: >> [ ? ?0.385804] [drm] Initialized drm 1.1.0 20060810 >> [ ? ?0.385896] [drm] radeon defaulting to kernel modesetting. >> [ ? ?0.385955] [drm] radeon kernel modesetting enabled. >> [ ? ?0.386066] radeon 0000:01:05.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 >> [ ? ?0.388388] [drm] radeon: Initializing kernel modesetting. >> [ ? ?0.388534] [drm] register mmio base: 0xFE9F0000 >> [ ? ?0.388593] [drm] register mmio size: 65536 >> [ ? ?0.389106] ATOM BIOS: ATI >> [ ? ?0.389374] [drm] GPU reset succeed (RBBM_STATUS=0x10000140) >> [ ? ?0.389436] [drm] radeon: VRAM 32M >> [ ? ?0.389495] [drm] radeon: VRAM from 0xDE000000 to 0xDFFFFFFF >> [ ? ?0.389554] [drm] radeon: GTT 512M >> [ ? ?0.389612] [drm] radeon: GTT from 0x00000000 to 0x1FFFFFFF >> [ ? ?0.389688] radeon 0000:01:05.0: irq 25 for MSI/MSI-X >> [ ? ?0.389692] [drm] radeon: using MSI. >> [ ? ?0.389766] [drm] radeon: irq initialized. >> [ ? ?0.389828] mtrr: type mismatch for fc000000,2000000 old: >> write-back new: write-combining >> [ ? ?0.389902] [drm] Detected VRAM RAM=32M, BAR=32M >> [ ? ?0.389960] [drm] RAM width 128bits DDR >> [ ? ?0.390238] [TTM] Zone ?kernel: Available graphics memory: 2010380 kiB. >> [ ? ?0.390313] [drm] radeon: 32M of VRAM memory ready >> [ ? ?0.390372] [drm] radeon: 512M of GTT memory ready. >> [ ? ?0.390431] [drm] GART: num cpu pages 131072, num gpu pages 131072 >> [ ? ?0.393504] [drm] radeon: 1 quad pipes, 1 z pipes initialized. >> [ ? ?0.393568] [drm] radeon: cp idle (0x10000C03) >> [ ? ?0.393691] [drm] Loading RS690/RS740 Microcode >> [ ? ?0.393751] platform radeon_cp.0: firmware: using built-in firmware >> radeon/RS690_cp.bin >> [ ? ?0.393964] [drm] radeon: ring at 0x0000000000000000 >> [ ? ?0.394039] [drm] ring test succeeded in 1 usecs >> [ ? ?0.394180] [drm] radeon: ib pool ready. >> [ ? ?0.394249] [drm] ib test succeeded in 0 usecs >> [ ? ?0.394454] [drm] Default TV standard: NTSC >> [ ? ?0.394690] [drm] Radeon Display Connectors >> [ ? ?0.394749] [drm] Connector 0: >> [ ? ?0.394807] [drm] ? VGA >> [ ? ?0.394865] [drm] ? DDC: 0x7e50 0x7e40 0x7e54 0x7e44 0x7e58 0x7e48 >> 0x7e5c 0x7e4c >> [ ? ?0.394938] [drm] ? Encoders: >> [ ? ?0.394996] [drm] ? ? CRT1: INTERNAL_KLDSCP_DAC1 >> [ ? ?0.395055] [drm] Connector 1: >> [ ? ?0.395112] [drm] ? S-video >> [ ? ?0.395169] [drm] ? Encoders: >> [ ? ?0.395227] [drm] ? ? TV1: INTERNAL_KLDSCP_DAC1 >> [ ? ?0.395285] [drm] Connector 2: >> [ ? ?0.395343] [drm] ? HDMI-A >> [ ? ?0.395401] [drm] ? DDC: 0x7e40 0x7e50 0x7e44 0x7e54 0x7e48 0x7e58 >> 0x7e4c 0x7e5c >> [ ? ?0.395474] [drm] ? Encoders: >> [ ? ?0.395532] [drm] ? ? DFP3: INTERNAL_LVTM1 >> [ ? ?0.593345] [drm] fb mappable at 0xFC040000 >> [ ? ?0.593404] [drm] vram apper at 0xFC000000 >> [ ? ?0.593462] [drm] size 786432 >> [ ? ?0.593519] [drm] fb depth is 8 >> [ ? ?0.593576] [drm] ? ?pitch is 1024 >> [ ? ?0.615713] Console: switching to colour frame buffer device 128x48 >> [ ? ?0.617300] fb0: radeondrmfb frame buffer device >> [ ? ?0.617319] registered panic notifier >> [ ? ?0.617337] [drm] Initialized radeon 2.0.0 20080528 for >> 0000:01:05.0 on minor 0 >> >> Please ask, if I should provide more information or test something. > > Can you bisect to see what commit broke it? > > Alex Its you fault. ;-P 0888e883ea5ff8fac27e813256d6c1eaede5a234 is the first bad commit commit 0888e883ea5ff8fac27e813256d6c1eaede5a234 Author: Alex Deucher Date: Sat Jun 12 11:50:13 2010 -0400 drm/radeon/kms: fix bandwidth calculation when sideport is present Fixes fdo bug 27529: https://bugs.freedesktop.org/show_bug.cgi?id=27529 Reported-by: steckdenis@yahoo.fr Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie :040000 040000 2ff9114469e4569e1bebd659c9632c5b59bfc238 b0eb9a29c698da1eeb8289ba1180b8135a94ecd7 M drivers My system does not have any sideport memory. The other revisions before this did boot into the correct KMS mode, but I did not test X, because I'm using that system as a remote desktop server and only sometimes the fb text console to debug something that went wrong. Torsten -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/