From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 104082] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes) Date: Fri, 09 Feb 2018 13:00:26 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0045643466==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [IPv6:2610:10:20:722:a800:ff:fe98:4b55]) by gabe.freedesktop.org (Postfix) with ESMTP id B51246E84F for ; Fri, 9 Feb 2018 13:00:26 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0045643466== Content-Type: multipart/alternative; boundary="15181812268.ec6dC.2788" Content-Transfer-Encoding: 7bit --15181812268.ec6dC.2788 Date: Fri, 9 Feb 2018 13:00:26 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D104082 --- Comment #24 from Andreas Kilgus --- (In reply to Christian K=C3=B6nig from comment #23) > Take a look at /proc/pagetypeinfo. There must at least be pages at order 9 > or higher for an 2MB swiotlb allocation to succeed. OK, I had a look and if I got it right: memory fragmentation lets the malloc fail. I still would not call that to "run out of memory" - there is enough memory available, its current layout is just not in the desired shape. ;) --=20 You are receiving this mail because: You are the assignee for the bug.= --15181812268.ec6dC.2788 Date: Fri, 9 Feb 2018 13:00:26 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Comme= nt # 24 on bug 10408= 2 from Andreas Kilgus 
(In reply to Christian K=C3=B6nig from comment #23)
> Take a look at /proc/pagetypeinfo. There must at=
 least be pages at order 9
> or higher for an 2MB swiotlb allocation to succeed.

OK, I had a look and if I got it right: memory fragmentation lets the malloc
fail. <nitpick>I still would not call that to "run out of memory=
" - there is
enough memory available, its current layout is just not in the desired
shape.</nitpick> ;)

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