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Fri, 16 Aug 2019 12:47:56 +0000 (UTC) Subject: Re: [Bug 204407] New: Bad page state in process Xorg To: Petr Vandrovec Cc: Matthew Wilcox , Qian Cai , Andrew Morton , bugzilla-daemon@bugzilla.kernel.org, Christian Koenig , Huang Rui , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Joerg Roedel References: <20190802132306.e945f4420bc2dcddd8d34f75@linux-foundation.org> <20190802203344.GD5597@bombadil.infradead.org> <1564780650.11067.50.camel@lca.pw> <20190802225939.GE5597@bombadil.infradead.org> <45258da8-2ce7-68c2-1ba0-84f6c0e634b1@suse.cz> <0287aace-fec1-d2d1-370f-657e80477717@vandrovec.name> From: Vlastimil Babka Message-ID: <6a45a9b1-81ad-72c4-8f06-5d2cd87278ef@suse.cz> Date: Fri, 16 Aug 2019 14:47:53 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <0287aace-fec1-d2d1-370f-657e80477717@vandrovec.name> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 8/15/19 9:13 PM, Petr Vandrovec wrote: > Vlastimil=C2=A0Babka=C2=A0wrote=C2=A0on=C2=A08/15/2019=C2=A07:32=C2=A0A= M: >> >> Does=C2=A0the=C2=A0issue=C2=A0still=C2=A0happen=C2=A0with=C2=A0rc4?=C2= =A0Could=C2=A0you=C2=A0apply=C2=A0the=C2=A03=C2=A0attached >> patches=C2=A0(work=C2=A0in=C2=A0progress),=C2=A0configure-enable=C2=A0= CONFIG_DEBUG_PAGEALLOC=C2=A0and >> CONFIG_PAGE_OWNER=C2=A0and=C2=A0boot=C2=A0kernel=C2=A0with=C2=A0debug_= pagealloc=3Don=C2=A0page_owner=3Don >> parameters?=C2=A0That=C2=A0should=C2=A0print=C2=A0stacktraces=C2=A0of=C2= =A0allocation=C2=A0and=C2=A0first >> freeing=C2=A0(assuming=C2=A0this=C2=A0is=C2=A0a=C2=A0double=C2=A0free)= . >=20 > Unfortunately -rc4 does not find any my SATA disks due to some=20 > misunderstanding between AHCI driver and HPT642L adapter (there is no=20 > device=C2=A007:00.1,=C2=A0HPT=C2=A0is=C2=A0single-function=C2=A0device=C2= =A0at=C2=A007:00.0): >=20 > [=C2=A0=C2=A0=C2=A018.003015]=C2=A0scsi=C2=A0host6:=C2=A0ahci > [=C2=A0=C2=A0=C2=A018.006605]=C2=A0DMAR:=C2=A0DRHD:=C2=A0handling=C2=A0= fault=C2=A0status=C2=A0reg=C2=A02 > [=C2=A0=C2=A0 18.006619] DMAR: [DMA Write] Request device [07:00.1] fau= lt addr=20 > fffe0000=C2=A0[fault=C2=A0reason=C2=A002]=C2=A0Present=C2=A0bit=C2=A0in= =C2=A0context=C2=A0entry=C2=A0is=C2=A0clear > [=C2=A0=C2=A0=C2=A018.076616]=C2=A0DMAR:=C2=A0DRHD:=C2=A0handling=C2=A0= fault=C2=A0status=C2=A0reg=C2=A0102 > [=C2=A0=C2=A0 18.085910] DMAR: [DMA Write] Request device [07:00.1] fau= lt addr=20 > fffa0000=C2=A0[fault=C2=A0reason=C2=A002]=C2=A0Present=C2=A0bit=C2=A0in= =C2=A0context=C2=A0entry=C2=A0is=C2=A0clear > [=C2=A0=C2=A0=C2=A018.100989]=C2=A0DMAR:=C2=A0DRHD:=C2=A0handling=C2=A0= fault=C2=A0status=C2=A0reg=C2=A0202 > [=C2=A0=C2=A0 18.110985] DMAR: [DMA Write] Request device [07:00.1] fau= lt addr=20 > fffe0000=C2=A0[fault=C2=A0reason=C2=A002]=C2=A0Present=C2=A0bit=C2=A0in= =C2=A0context=C2=A0entry=C2=A0is=C2=A0clear Worth reporting as well, not nice regression. > With iommu=3Doff disks are visible, but USB keyboard (and other USB=20 > devices)=C2=A0does=C2=A0not=C2=A0work: I've been told iommu=3Dsoft might help. > [=C2=A0=C2=A0 18.174802] ehci-pci 0000:00:1a.0: swiotlb buffer is full = (sz: 8=20 > bytes),=C2=A0total=C2=A00=C2=A0(slots),=C2=A0used=C2=A00=C2=A0(slots) > [=C2=A0=C2=A0 18.174804] ehci-pci 0000:00:1a.0: overflow 0x0000000ffdc7= 5ae8+8 of=20 > DMA=C2=A0mask=C2=A0ffffffff=C2=A0bus=C2=A0mask=C2=A00 > [=C2=A0=C2=A0 18.174815] WARNING: CPU: 2 PID: 508 at kernel/dma/direct.= c:35=20 > report_addr+0x2e/0x50 > [=C2=A0=C2=A0=C2=A018.174816]=C2=A0Modules=C2=A0linked=C2=A0in: > [=C2=A0=C2=A0 18.174818] CPU: 2 PID: 508 Comm: kworker/2:1 Tainted: G=20 > =C2=A0=C2=A0T=C2=A05.3.0-rc4-64-00058-gd717b092e0b2=C2=A0#77 > [=C2=A0=C2=A0 18.174819] Hardware name: Dell Inc. Precision T3610/09M8Y= 8, BIOS A16=20 > 02/05/2018 > [=C2=A0=C2=A0=C2=A018.174822]=C2=A0Workqueue:=C2=A0usb_hub_wq=C2=A0hub_= event >=20 > I'll=C2=A0try=C2=A0to=C2=A0find=C2=A0-rc4=C2=A0configuration=C2=A0that=C2= =A0has=C2=A0enabled=C2=A0debugging=C2=A0and=C2=A0can=C2=A0boot.=20 >=20 >=20 > Petr >=20 >=20