https://bugzilla.kernel.org/show_bug.cgi?id=64661 Austin Robertson <austinrobertson@xxxxxxxxx> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |austinrobertson@xxxxxxxxx --- Comment #7 from Austin Robertson <austinrobertson@xxxxxxxxx> --- (In reply to Jason Schulz from comment #6) > Later versions of either the nvidia drivers or kernel have fixed this > problem. What versions of the nVidia driver and kernel do you have this working with? I've been trying to resolve the same problem. I get the same message in dmesg indicating from udl that the swiotlb buffer is full. Here's the relevant dmesg.debug from my machine: [ 133.947952] [drm:drm_mode_getconnector] [CONNECTOR:22:?] [ 133.947960] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:22:DVI-I-1] [ 134.107906] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:22:DVI-I-1] probed modes : [ 134.107916] [drm:drm_mode_debug_printmodeline] Modeline 24:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5 [ 134.107920] [drm:drm_mode_debug_printmodeline] Modeline 31:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5 [ 134.107925] [drm:drm_mode_debug_printmodeline] Modeline 26:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5 [ 134.107929] [drm:drm_mode_debug_printmodeline] Modeline 25:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5 [ 134.107933] [drm:drm_mode_debug_printmodeline] Modeline 32:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5 [ 134.107937] [drm:drm_mode_debug_printmodeline] Modeline 33:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 134.107941] [drm:drm_mode_debug_printmodeline] Modeline 34:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5 [ 134.107945] [drm:drm_mode_debug_printmodeline] Modeline 27:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5 [ 134.107949] [drm:drm_mode_debug_printmodeline] Modeline 28:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa [ 134.107953] [drm:drm_mode_debug_printmodeline] Modeline 29:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa [ 134.107957] [drm:drm_mode_debug_printmodeline] Modeline 30:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6 [ 134.107990] [drm:drm_mode_getconnector] [CONNECTOR:22:?] [ 134.131440] udl 1-1.4.3:1.0: swiotlb buffer is full (sz: 2097152 bytes) [ 134.131447] DMA: Out of SW-IOMMU space for 2097152 bytes at device 1-1.4.3:1.0 [ 134.131825] [drm:drm_mode_addfb2] [FB:37] [ 134.131843] [drm:drm_mode_setcrtc] [CRTC:20] [ 134.131881] [drm:drm_crtc_check_viewport] Invalid fb size 1024x768 for CRTC viewport 1920x1080+0+0. This is with Linux 4.2.5-1 and nVidia 358.16: $ cat /proc/driver/nvidia/version NVRM version: NVIDIA UNIX x86_64 Kernel Module 358.16 Mon Nov 16 19:25:55 PST 2015 GCC version: gcc version 5.2.0 (GCC) $ uname -a Linux archie 4.2.5-1-ARCH #1 SMP PREEMPT Tue Oct 27 08:13:28 CET 2015 x86_64 GNU/Linux -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
