From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Galbraith Subject: kernel spew from nouveau/ swiotlb Date: Thu, 10 May 2018 11:10:27 +0200 Message-ID: <1525943427.8013.11.camel@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: nouveau Cc: LKML , Ben Skeggs List-Id: nouveau.vger.kernel.org R3JlZXRpbmdzLAoKV2hlbiBib3ggaXMgZWFybmluZyBpdHMga2VlcCwgbm91dmVhdS9zd2lvdGxi IGdydW1ibGUuLiBhIExPVC4gIFRoZQpiZWxvdyBpcyBmcm9tIG1hc3Rlci50b2RheS4KClsxMjU5 NC42NDA5NTldIG5vdXZlYXUgMDAwMDowMTowMC4wOiBzd2lvdGxiIGJ1ZmZlciBpcyBmdWxsIChz ejogMjA5NzE1MiBieXRlcykKWzEyNTk0LjY5MzAwMF0gbm91dmVhdSAwMDAwOjAxOjAwLjA6IHN3 aW90bGIgYnVmZmVyIGlzIGZ1bGwgKHN6OiAyMDk3MTUyIGJ5dGVzKQpbMTI1OTQuNzEzNzg3XSBu b3V2ZWF1IDAwMDA6MDE6MDAuMDogc3dpb3RsYiBidWZmZXIgaXMgZnVsbCAoc3o6IDIwOTcxNTIg Ynl0ZXMpClsxMjU5NC43NDM0MTNdIG5vdXZlYXUgMDAwMDowMTowMC4wOiBzd2lvdGxiIGJ1ZmZl ciBpcyBmdWxsIChzejogMjA5NzE1MiBieXRlcykKWzEyNTk0Ljc5Njc0MF0gbm91dmVhdSAwMDAw OjAxOjAwLjA6IHN3aW90bGIgYnVmZmVyIGlzIGZ1bGwgKHN6OiAyMDk3MTUyIGJ5dGVzKQpbMTI2 MDcuMDAwNzc0XSBzd2lvdGxiX3RibF9tYXBfc2luZ2xlOiA1NCBjYWxsYmFja3Mgc3VwcHJlc3Nl ZApbMTI2MDcuMDAwNzc2XSBub3V2ZWF1IDAwMDA6MDE6MDAuMDogc3dpb3RsYiBidWZmZXIgaXMg ZnVsbCAoc3o6IDIwOTcxNTIgYnl0ZXMpClsxMjYwNy4zNDc5NDFdIG5vdXZlYXUgMDAwMDowMTow MC4wOiBzd2lvdGxiIGJ1ZmZlciBpcyBmdWxsIChzejogMjA5NzE1MiBieXRlcykKWzEyNjA4LjY3 NzAzOF0gbm91dmVhdSAwMDAwOjAxOjAwLjA6IHN3aW90bGIgYnVmZmVyIGlzIGZ1bGwgKHN6OiAy MDk3MTUyIGJ5dGVzKQpob21lcjovbm92ZWxsL3NzaCAjIGRtZXNnfGdyZXAgJ3N3aW90bGIgYnVm ZmVyIGlzIGZ1bGwnfHdjIC1sCjIwNTIKaG9tZXI6L25vdmVsbC9zc2ggIyBkbWVzZ3xncmVwICdj YWxsYmFja3Mgc3VwcHJlc3NlZCd8d2MgLWwKMTcxCgpsaWIvc3dpb3RsYi5jOgogNTczIG5vdF9m b3VuZDoKIDU3NCDCoMKgwqDCoMKgwqDCoMKgc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmaW9fdGxi X2xvY2ssIGZsYWdzKTsKIDU3NSDCoMKgwqDCoMKgwqDCoMKgaWYgKCEoYXR0cnMgJiBETUFfQVRU Ul9OT19XQVJOKSAmJiBwcmludGtfcmF0ZWxpbWl0KCkpCiA1NzYgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqBkZXZfd2Fybihod2RldiwgInN3aW90bGIgYnVmZmVyIGlzIGZ1bGwgKHN6 OiAlemQgYnl0ZXMpXG4iLCBzaXplKTsKCkRvZXMgbm91dmVhdSBwZXJoYXBzIHdhbnQgb25lIG9m IHRob3NlIERNQV9BVFRSX05PX1dBUk4gdGhpbmdpZXM/CgoJLU1pa2UKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTm91dmVhdSBtYWlsaW5nIGxpc3QKTm91 dmVhdUBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9ub3V2ZWF1Cg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756830AbeEJJKl convert rfc822-to-8bit (ORCPT ); Thu, 10 May 2018 05:10:41 -0400 Received: from mout.gmx.net ([212.227.15.19]:57123 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756699AbeEJJKi (ORCPT ); Thu, 10 May 2018 05:10:38 -0400 Message-ID: <1525943427.8013.11.camel@gmx.de> Subject: kernel spew from nouveau/ swiotlb From: Mike Galbraith To: nouveau Cc: LKML , Ben Skeggs Date: Thu, 10 May 2018 11:10:27 +0200 Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.22.6 Mime-Version: 1.0 Content-Transfer-Encoding: 8BIT X-Provags-ID: V03:K1:208AdHrDNLAgdTF44umy1+aD6CoSizYPzq+N8NgCA3YCr8wM0cb VzR8F9hEIU2R2bu7ikEk8i67Gjm5W74F6xTk79ZdeJ5uCr1lQlxFOqnbNxjCZnyTOAbmMYm 1YjhEDboKGiKcHqnM+6k1l7RWVaKyU4TngcizRRq7wJzKZTEfZuBf4DBnY0sT1BGCPygGVN AEw8eX2/YGI3zTYtJIQjA== X-UI-Out-Filterresults: notjunk:1;V01:K0:uztD/ORKjS4=:/qg0Z22yZAV4ooP8TNfbYt OQKudLgpVFnJSIBDNMxLpYtcNbOFc3DrJffmB1swqp4Qka20NSXjv8SE09Dc2327CITIm14HG f9ANeiVYJPL71+znVby0X5HsiB5GB1HVhB5zogiU5TDWQEJg2jYg7SErMuyGrmr59WYw1pt2w zkAO3oVGwhD3KTzoCsTIhz14/Q13YwIyP2DqVnTBRw+Jg7mTCXcvJT4+br5HtcozCXeYuN3cn sCdVD98rnquzoKQJYhd54ZfUjELx6rQGR2mZOO44Y0e5VpErZ7EXMBGBDoII2eIi7r4v4eV9j 0YOOJN3slyK3MUnbRwN0596Wy4lhGX3ReqrcjziROnCDxJIftxjfJkoah0ciCFeBZqac0DdyL QEeEagdnzjyEDbpP8FrQZuaPQiiWzmEdw6uXYdC1QnjApouGZZCFwK+OQQBfcHAVUdCnf6LE6 gtU/dk8J7guX8sQwn9+JkvpW/H6V3EZDyFSiWaPDlsNB2nyJ3faj8r/9vH8YtO2KiU2/UkJK6 LGI7QOHelJtVTRY4sUi1+G1dg3iJPiPpDVbgd9lSPyZh3j6tZtInPHJtfKMxNUY6UHj125WFV w7pll2AVbp0Fg/QHvNMgGPD67xujHVsIeot09EmB6NuHO2Bn/iLRinctJlOWZf+TNlxwKfPtm pNNuhzz0fbQ5ITicIG4EP9Sg0ZvpVaie5CD1HgOe4lZaj7BqU6ig7gl/XvaKLibBt5+wJpGBw gQ+zyoSWC3i6P4s1UYUKZcap6pwG9ie+XlWPkO3ff8m0Z2sdRi7lhWsRjD3JCGQo/LFpVF/68 dCmTovC Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Greetings, When box is earning its keep, nouveau/swiotlb grumble.. a LOT. The below is from master.today. [12594.640959] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes) [12594.693000] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes) [12594.713787] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes) [12594.743413] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes) [12594.796740] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes) [12607.000774] swiotlb_tbl_map_single: 54 callbacks suppressed [12607.000776] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes) [12607.347941] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes) [12608.677038] nouveau 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes) homer:/novell/ssh # dmesg|grep 'swiotlb buffer is full'|wc -l 2052 homer:/novell/ssh # dmesg|grep 'callbacks suppressed'|wc -l 171 lib/swiotlb.c: 573 not_found: 574         spin_unlock_irqrestore(&io_tlb_lock, flags); 575         if (!(attrs & DMA_ATTR_NO_WARN) && printk_ratelimit()) 576                 dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes)\n", size); Does nouveau perhaps want one of those DMA_ATTR_NO_WARN thingies? -Mike