From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937891AbdLRSHT convert rfc822-to-8bit (ORCPT ); Mon, 18 Dec 2017 13:07:19 -0500 Received: from mout.gmx.net ([212.227.15.15]:57279 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937879AbdLRSHK (ORCPT ); Mon, 18 Dec 2017 13:07:10 -0500 Message-ID: <1513620418.7113.51.camel@gmx.de> Subject: nouveau. swiotlb: coherent allocation failed for device 0000:01:00.0 size=2097152 From: Mike Galbraith To: LKML Cc: Ben Skeggs , nouveau , dri-devel Date: Mon, 18 Dec 2017 19:06:58 +0100 Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.20.5 Mime-Version: 1.0 Content-Transfer-Encoding: 8BIT X-Provags-ID: V03:K0:/Lshek9grFzzSFKDLWKTr51vFQSOHKN5+3ALI83xsQQt37Qyf35 wPCFQ0vRIys1WmhQeSSSUcUarOUSmcGSuNNLvq1Gp/+ZKAWfm4I2fAilTeGvxXX8VO6u8rL hh2oLqU5FlkQCTt/OGLlpy5Tfsl4YbsnikVwwKbipEnl+oJV3IzInoBJLlqy31KaFX+4xsz n0BjcjCJyNNHZqEgXcccQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:JW64LT+E+PA=:o9jIIhrFZLBbhB57x4lcWi McOqZiJeuPz3n1m6TVO1suw/hFcS0es61Hl+V5ATp8BYrKdbWKK4mXeeIfC3/P18AR3skmpE+ dieDXnjDuC5I12HLOuy8H6eSVqZ9gOv1HKI6OPDYRKwzBEtgf7aaiidbW2wekMqa76XbZd1sX /VWA9wPrsv2YosihS/JfQUOPHUtlVbLz8vbA05RoFGhWXPYiliS2j43jTlP9dlOoz1B76iCZo HX98gb4kL1eVjs9ao/AOhgvf8F8WO2CalKgRZt+TJjJIs9hU9ApNGhIe1iKJF4PrYss3KXksM 5Pi4jWihc57Jb5FB0Dqcip/AuUZ4M/BWR9T6fKfJYtpCzfbmYvHV+Qgp4Wgp707AO1vA/7cvb IofDKoKhrFXvC1QVN921DS6rMCoYhndNwXhtro3r6yInPUHhj6qYMU/wZ71gJ3l7rbEnBvK3M +EP3EPs7i/9S38oE6rEWV751hDapw0xMuk6JkNqtgPXrO8X4qFCvmW3ISu/292f9J05A5CrSA mENoEdHGk1wW/i8YYsMgbMON+rDmLNrqaLjotuSIyj77rXhCbpa/7YsEFqXp9vY4Hm8ht5p2D hKQE90g16yrCajMvMDFaWBMyRpqh74Tfha/xuokaxH2hKgTgZduN5jmY2eNqi2BxhpqghqCza GdLmDMNONl8fZ7FooU2mN/HkILP+E+gKSITpsbq72ZJ6z2BEYAudHebGPCAGNjADVJmDG2aB7 wEKeznpz/wdOrDPhDCqqbPxkhfGIMalpFKaEjVuuw4PGt3q19Ua5ZnDrSOiD0AfdxyFMJl+p4 PiRhosCd6Z+/mlWgJBxAqmgWtzqbBAepheQoaj4qF9RkGqH//Y= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Greetings, Kernel bound workloads seem to trigger the below for whatever reason.  I only see this when beating up NFS.  There was a kworker wakeup latency issue, but with a bandaid applied to fix that up, I can still trigger this. [ 1313.811031] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes) [ 1313.811035] swiotlb: coherent allocation failed for device 0000:01:00.0 size=2097152 [ 1313.811038] CPU: 6 PID: 3026 Comm: Xorg Tainted: G E 4.15.0.g1291a0d5-master #355 [ 1313.811040] Hardware name: MEDION MS-7848/MS-7848, BIOS M7848W08.20C 09/23/2013 [ 1313.811041] Call Trace: [ 1313.811049] dump_stack+0x7c/0xb6 [ 1313.811053] swiotlb_alloc_coherent+0x13f/0x150 [ 1313.811060] ttm_dma_pool_alloc_new_pages+0x106/0x3c0 [ttm] [ 1313.811066] ttm_dma_pool_get_pages+0x10a/0x1e0 [ttm] [ 1313.811070] ttm_dma_populate+0x21f/0x2f0 [ttm] [ 1313.811075] ttm_tt_bind+0x2f/0x60 [ttm] [ 1313.811079] ttm_bo_handle_move_mem+0x51f/0x580 [ttm] [ 1313.811084] ? ttm_bo_handle_move_mem+0x5/0x580 [ttm] [ 1313.811088] ttm_bo_validate+0x10c/0x120 [ttm] [ 1313.811092] ? ttm_bo_validate+0x5/0x120 [ttm] [ 1313.811106] ? drm_mode_setcrtc+0x20e/0x540 [drm] [ 1313.811109] ttm_bo_init_reserved+0x290/0x490 [ttm] [ 1313.811114] ttm_bo_init+0x52/0xb0 [ttm] [ 1313.811141] ? nv10_bo_put_tile_region+0x60/0x60 [nouveau] [ 1313.811163] nouveau_bo_new+0x465/0x5e0 [nouveau] [ 1313.811184] ? nv10_bo_put_tile_region+0x60/0x60 [nouveau] [ 1313.811203] nouveau_gem_new+0x66/0x110 [nouveau] [ 1313.811223] ? nouveau_gem_new+0x110/0x110 [nouveau] [ 1313.811241] nouveau_gem_ioctl_new+0x48/0xc0 [nouveau] [ 1313.811249] drm_ioctl_kernel+0x64/0xb0 [drm] [ 1313.811257] drm_ioctl+0x2a4/0x360 [drm] [ 1313.811276] ? nouveau_gem_new+0x110/0x110 [nouveau] [ 1313.811285] ? drm_ioctl+0x5/0x360 [drm] [ 1313.811304] nouveau_drm_ioctl+0x50/0xb0 [nouveau] [ 1313.811308] do_vfs_ioctl+0x90/0x690 [ 1313.811311] ? do_vfs_ioctl+0x5/0x690 [ 1313.811313] SyS_ioctl+0x3b/0x70 [ 1313.811316] entry_SYSCALL_64_fastpath+0x1f/0x91 [ 1313.811320] RIP: 0033:0x7f3234746227 [ 1313.811321] RSP: 002b:00007ffc3ace0408 EFLAGS: 00003246 ORIG_RAX: 0000000000000010 [ 1313.811324] RAX: ffffffffffffffda RBX: 00000000025515d0 RCX: 00007f3234746227 [ 1313.811325] RDX: 00007ffc3ace0460 RSI: 00000000c0306480 RDI: 000000000000000b [ 1313.811326] RBP: 0000000000824120 R08: 0000000002548f80 R09: 00000000025490d0 [ 1313.811328] R10: 0000000000000000 R11: 0000000000003246 R12: 000000000000093d [ 1313.811329] R13: 0000000002aff74c R14: 0000000000824150 R15: 0000000000000000