On 03.04.2016 10:33, Graham Gower wrote: > Hi Simone, > > For the radeon driver, you want to be looking at > linux/drivers/gpu/drm/radeon/r100.c: r100_cp_init() > and > linux/drivers/gpu/drm/radeon/r300.c: r300_ring_start() > and > linux/drivers/gpu/drm/radeon/r100.c: r100_ring_test() > > As you seem to be aware though, the problem is not in the driver. This > makes the culprit far more difficult to track down, as the code at the > point of failure is not necessarily the code that needs to be fixed. > I'll fire up my c8000 and see if I can remember what I tried last > time, which might rule some things in/out for those who are smarter > than I. FYI, we do have some documentation available about the zx1 chipset which used in the C8000. Specifically: https://parisc.wiki.kernel.org/index.php/File:Zx1-mio.pdf https://parisc.wiki.kernel.org/index.php/File:Zx1-ioa-mercury_ers.pdf Helge > Good luck! > -G > > On 3 April 2016 at 17:04, Simone Mannori <simone.mannori@xxxxxxxxx> wrote: >> Dear All, >> >> following you suggestions, now I have an - almost - perfectly working >> hp c8000 workstation. >> >> Mission accomplished? Not exactly: despite a lot of efforts, the video >> card section is still not fully operative. Let me resume the >> situation. >> >> I'm using a c8000 with two PA-8800 and Debian 8.0, kernel: >> >> Linux version 4.4.0-1-parisc64-smp (debian-kernel@xxxxxxxxxxxxxxxx) >> (gcc version 4.9.3 (GCC) ) #1 SMP Debian 4.4.6-1 (2016-03-17) >> >> I have two very different AGP video cards (ATI FireGL T2 and NVIDIA >> QUADRO MXR) that have the same issue, despite the two complety >> different drivers ("radeon" and "nouveau"). The full logs are in >> bottom of this post. Just to make a long history short: >> >> ATI FIRE GL T2 ("radeon") >> [ 47.836000 <tel:47836000>] [drm:r100_ring_test [radeon]] *ERROR* radeon: ring test >> failed (scratch(0x15E4)=0xCAFEDEAD) >> [ 47.948000 <tel:47948000>] [drm:r100_cp_init [radeon]] *ERROR* radeon: cp isn't >> working (-22). >> [ 48.036000 <tel:48036000>] radeon 0000:80:00.0: failed initializing CP (-22). >> [ 48.036000 <tel:48036000>] radeon 0000:80:00.0: Disabling GPU acceleration >> >> NVIDIA QUADRO MXR ("nouveau") >> [ 54.388000 <tel:54388000>] nouveau 0000:80:00.0: DRM: GPU lockup - switching to >> software fbcon >> [ 54.684000 <tel:54684000>] nouveau 0000:80:00.0: fb0: nouveaufb frame buffer device >> [ 54.784000 <tel:54784000>] [drm] Initialized nouveau 1.3.1 20120801 <tel:13120120801> for >> 0000:80:00.0 on minor 0 >> >> Looking inside the posts on many developers mailing lists, I see that >> most of the efforts have been focused on the video device drivers init >> code. I have tried to force the video drivers using the "modeset" >> parameter without success. I have tried also to boot without video >> driver, then load it manually using "modprobe". No way: the results >> are the same. >> >> "lsmod" tell me that "radeon"/"nouveau" are used by the "ttm" module >> and they cannot be removed (despite the "- r --force" modprobe >> parameters). >> >> Let suppose for a moment that the issue is NOT inside the video driver >> but in the "ttm" module: something is not fully correct in the >> initialization of the ZX1 chipset, therefore the video driver code go >> crazy because cannot match the video card with the chipset. >> >> The only way that I know to investigate this issue is to recompile the >> kernel with debug support and execute "single step"/breakpoint the >> code that initialize the video card and the chipset near the zone of >> the error message. >> >> Question: "What are the deb packages that I need to install to >> recompile the 4.4.0-1-parisc64-smp kernel (or another kernel version >> suitable for this investigation) ? >> >> Thanks in advance for you help >> >> Simone Mannori - Italy >> >> //**----------------------------------------------------------------------------------------------------------------- >> >> ATI FIRE GL T2 >> [ 45.460000 <tel:45460000>] [drm] radeon kernel modesetting enabled. >> [ 45.576000 <tel:45576000>] radeon 0000:80:00.0: enabling SERR and PARITY (0107 -> 0147) >> [ 45.660000 <tel:45660000>] [drm] initializing kernel modesetting (RV350 >> 0x1002:0x4154 0x1002:0x0002). >> [ 45.812000 <tel:45812000>] [drm] register mmio base: 0xC8020000 >> [ 45.868000 <tel:45868000>] [drm] register mmio size: 65536 >> [ 46.084000 <tel:46084000>] radeon 0000:80:00.0: putting AGP V3 device into 8x mode >> [ 46.160000 <tel:46160000>] radeon 0000:80:00.0: GTT: 512M 0x60000000 - 0x7FFFFFFF >> [ 46.236000 <tel:46236000>] [drm] Generation 2 PCI interface, using max accessible memory >> [ 46.316000 <tel:46316000>] radeon 0000:80:00.0: VRAM: 128M 0xFFFFFFFFC0000000 - >> 0xFFFFFFFFC7FFFFFF (128M used) >> [ 46.420000 <tel:46420000>] [drm] Detected VRAM RAM=128M, BAR=128M >> [ 46.476000 <tel:46476000>] [drm] RAM width 128bits DDR >> [ 46.524000 <tel:46524000>] [TTM] Zone kernel: Available graphics memory: 3077188 kiB >> [ 46.604000 <tel:46604000>] [TTM] Zone dma32: Available graphics memory: 2097152 kiB >> [ 46.680000 <tel:46680000>] [TTM] Initializing pool allocator >> [ 46.732000 <tel:46732000>] [drm] radeon: 128M of VRAM memory ready >> [ 46.792000 <tel:46792000>] [drm] radeon: 512M of GTT memory ready. >> [ 46.852000 <tel:46852000>] [drm] radeon: 1 quad pipes, 1 Z pipes initialized. >> [ 46.944000 <tel:46944000>] radeon 0000:80:00.0: WB disabled >> [ 46.996000 <tel:46996000>] radeon 0000:80:00.0: fence driver on ring 0 use gpu >> addr 0x0000000060000000 and cpu addr 0x0000000011279000 >> [ 47.124000 <tel:47124000>] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). >> [ 47.204000 <tel:47204000>] [drm] Driver supports precise vblank timestamp query. >> [ 47.276000 <tel:47276000>] [drm] radeon: irq initialized. >> [ 47.328000 <tel:47328000>] [drm] Loading R300 Microcode >> [ 47.468000 <tel:47468000>] radeon 0000:80:00.0: firmware: direct-loading firmware >> radeon/R300_cp.bin >> [ 47.584000 <tel:47584000>] [drm] radeon: ring at 0x0000000060001000 >> [ 47.836000 <tel:47836000>] [drm:r100_ring_test [radeon]] *ERROR* radeon: ring test >> failed (scratch(0x15E4)=0xCAFEDEAD) >> [ 47.948000 <tel:47948000>] [drm:r100_cp_init [radeon]] *ERROR* radeon: cp isn't >> working (-22). >> [ 48.036000 <tel:48036000>] radeon 0000:80:00.0: failed initializing CP (-22). >> [ 48.036000 <tel:48036000>] radeon 0000:80:00.0: Disabling GPU acceleration >> [ OK ] Found device ST373207LW 2. >> [ 48.236000 <tel:48236000>] [drm:r100_cp_fini [radeon]] *ERROR* Wait for CP idle >> timeout, shutting down CP. >> [ 48.384000 <tel:48384000>] [drm] radeon: cp finalized >> [ 48.448000 <tel:48448000>] [drm] radeon: cp finalized >> [ 48.496000 <tel:48496000>] [TTM] Finalizing pool allocator >> [ 48.544000 <tel:48544000>] [TTM] Zone kernel: Used memory at exit: 0 kiB >> [ 48.612000 <tel:48612000>] [TTM] Zone dma32: Used memory at exit: 0 kiB >> [ 48.676000 <tel:48676000>] [drm] radeon: ttm finalized >> [ 48.724000 <tel:48724000>] [drm] Forcing AGP to PCI mode >> Starting File System Check on /d[ 48.872000 <tel:48872000>] [drm] >> Generation 2 PCI interface, using max accessible memory >> ev/...2-638b-4a0[ 48.968000] radeon 0000:80:00.0: VRAM: 128M >> 0xFFFFFFFFC0000000 - 0xFFFFFFFFC7FFFFFF (128M used) >> c-be55-7444e126d[ 49.088000 <tel:49088000>] radeon 0000:80:00.0: GTT: 512M >> 0xFFFFFFFFA0000000 - 0xFFFFFFFFBFFFFFFF >> 283... >> [ 49.196000 <tel:49196000>] [drm] Detected VRAM RAM=128M, BAR=128M >> [ 49.264000 <tel:49264000>] [drm] RAM width 128bits DDR >> [ 49.328000 <tel:49328000>] [TTM] Zone kernel: Available graphics memory: 3077188 kiB >> [ 49412000] [TTM] Zone dma32: Available graphics memory: 2097152 kiB >> [ 49.492000 <tel:49492000>] [TTM] Initializing pool allocator >> [ 49.492000 <tel:49492000>] [drm] radeon: 128M of VRAM memory ready >> [ 49.492000 <tel:49492000>] [drm] radeon: 512M of GTT memory ready. >> [ 49.492000 <tel:49492000>] [drm] GART: num cpu pages 131072, num gpu pages 131072 >> [ 49.636000 <tel:49636000>] [drm] radeon: 1 quad pipes, 1 Z pipes initialized. >> [ 49.636000 <tel:49636000>] [drm] PCI GART of 512M enabled (table at 0x0000000043300000). >> [ 49.636000 <tel:49636000>] radeon 0000:80:00.0: WB enabled >> [ 49.636000 <tel:49636000>] radeon 0000:80:00.0: fence driver on ring 0 use gpu >> addr 0xffffffffa0000000 and cpu addr 0x000000007d239000 >> [ 49.636000 <tel:49636000>] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). >> [ 49.636000 <tel:49636000>] [drm] Driver supports precise vblank timestamp query. >> [ 49.636000 <tel:49636000>] [drm] radeon: irq initialized. >> [ 49.780000 <tel:49780000>] [drm] radeon: ring at 0xFFFFFFFFA0001000 >> [ 49.972000 <tel:49972000>] [drm:r100_ring_test [radeon]] *ERROR* radeon: ring test >> failed (scratch(0x15E4)=0xCAFEDEAD) >> [ 49.976000 <tel:49976000>] [drm:r100_cp_init [radeon]] *ERROR* radeon: cp isn't >> working (-22). >> [ 49.976000 <tel:49976000>] radeon 0000:80:00.0: failed initializing CP (-22). >> [ 49.976000 <tel:49976000>] radeon 0000:80:00.0: Disabling GPU acceleration >> [ 50.168000] [drm:r100_cp_fini [radeon]] *ERROR* Wait for CP idle >> timeout, shutting down CP. >> [ 50.280000] [drm] radeon: cp finalized >> [ 50.592000] [drm] Radeon Display Connectors >> [ 50.592000] [drm] Connector 0: >> [ 50.592000] [drm] VGA-1 >> [ 50.592000] [drm] DDC: 0x60 0x60 0x60 0x60 0x60 0x60 0x60 0x60 >> [ 50.592000] [drm] Encoders: >> [ 50.592000] [drm] CRT1: INTERNAL_DAC1 >> [ 50.592000] [drm] Connector 1: >> [ 50.592000] [drm] DVI-I-1 >> [ 50.592000] [drm] HPD1 >> [ 50.592000] [drm] DDC: 0x64 0x64 0x64 0x64 0x64 0x64 0x64 0x64 >> [ 50.592000] [drm] Encoders: >> [ 50.592000] [drm] CRT2: INTERNAL_DAC2 >> [ 50.592000] [drm] DFP1: INTERNAL_TMDS1 >> [ 50.608000] radeon 0000:80:00.0: No connectors reported connected with modes >> [ 50.608000] [drm] Cannot find any crtc or sizes - going 1024x768 >> [ 50.828000] [drm] fb mappable at 0xFFFFFFFFC0040000 >> [ 50.828000] [drm] vram apper at 0xFFFFFFFFC0000000 >> [ 50.828000] [drm] size 3145728 >> [ 50.828000] [drm] fb depth is 24 >> [ 50.828000] [drm] pitch is 4096 >> [ 51.848000 <tel:51848000>] Console: switching to colour frame buffer device 128x48 >> [ 52.080000 <tel:52080000>] radeon 0000:80:00.0: fb0: radeondrmfb frame buffer device >> [ 52172000] [drm] Initialized radeon 2.43.0 20080528 for >> 0000:80:00.0 on minor 0 >> >> NVIDIA QUADRO MXR >> [ 51.880000 <tel:51880000>] nouveau 0000:80:00.0: enabling SERR and PARITY (0007 -> 0147) >> [ 52.044000 <tel:52044000>] nouveau 0000:80:00.0: NVIDIA NV11 (011300a1) >> [ 52.364000 <tel:52364000>] nouveau 0000:80:00.0: bios: version 03.11.01.24.00 <tel:0311012400> >> [ 52.488000 <tel:52488000>] nouveau 0000:80:00.0: putting AGP V2 device into 4x mode >> [ 52.592000 <tel:52592000>] nouveau 0000:80:00.0: putting AGP V2 device into 4x mode >> [ 52.668000 <tel:52668000>] nouveau 0000:80:00.0: tmr: unknown input clock freq >> [ 52.740000 <tel:52740000>] nouveau 0000:80:00.0: fb: 32 MiB SDRAM >> [ 52.844000 <tel:52844000>] [TTM] Zone kernel: Available graphics memory: 3077188 kiB >> [ 52.920000 <tel:52920000>] [TTM] Zone dma32: Available graphics memory: 2097152 kiB >> [ 52.920000 <tel:52920000>] [TTM] Initializing pool allocator >> [ 52.928000 <tel:52928000>] nouveau 0000:80:00.0: DRM: VRAM: 31 MiB >> [ 52.928000 <tel:52928000>] nouveau 0000:80:00.0: DRM: GART: 512 MiB >> [ 52.928000 <tel:52928000>] nouveau 0000:80:00.0: DRM: BMP version 5.20 >> [ 52.928000 <tel:52928000>] nouveau 0000:80:00.0: DRM: No useful DCB data in VBIOS >> [ 52.928000 <tel:52928000>] nouveau 0000:80:00.0: DRM: Adaptor not initialised, >> running VBIOS init tables. >> [ 53.016000 <tel:53016000>] nouveau 0000:80:00.0: DRM: Saving VGA fonts >> [ 53.336000 <tel:53336000>] nouveau 0000:80:00.0: DRM: No useful DCB data in VBIOS >> [ 53.336000 <tel:53336000>] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). >> [ 53.336000 <tel:53336000>] [drm] Driver supports precise vblank timestamp query. >> [ 53.336000 <tel:53336000>] nouveau 0000:80:00.0: DRM: 0xABA2: Parsing digital >> output script table >> [ 53.920000 <tel:53920000>] nouveau 0000:80:00.0: DRM: MM: using M2MF for buffer copies >> [ 54.144000 <tel:54144000>] nouveau 0000:80:00.0: DRM: allocated 1920x1200 fb: >> 0x8000, bo 000000007cee1000 >> [ 54.276000 <tel:54276000>] nouveau 0000:80:00.0: DRM: 0xABCE: Parsing digital >> output script table >> [ 54.312000 <tel:54312000>] Console: switching to colour frame buffer device 240x75 >> [ 54.388000 <tel:54388000>] nouveau 0000:80:00.0: DRM: GPU lockup - switching to >> software fbcon >> [ 54.684000 <tel:54684000>] nouveau 0000:80:00.0: fb0: nouveaufb frame buffer device >> [ 54.784000 <tel:54784000>] [drm] Initialized nouveau 1.3.1 20120801 <tel:13120120801> for >> 0000:80:00.0 on minor 0 -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
