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bh=dNJeuFDzXs0rm+EMxwm6cmYOjrrNXANuIfIgIQ8YbJg=; b=aq70//ftiEbrFqYBLxalWvDWrlWjOStDQYajXCG5N+ik5rxbN9g2ICWUyZ/sSO3A+d m8fqeyb9C0baYtaelafnwqGT9vvpoHjYjEN+jHTa+BTfHbEahxVBfh77I+6wZH1e5qj8 m0VGSktLfwCh9ddokXL67m1edsr+LrfXrBBPkoKQNB3DIAS6ySjkTD+zR0ZtrYRPiKGp uXWHa0SQK0QhDUaAMF/g4yMBPwWq9g1xquv4kyq/xJULTg2JxbD8BRknbR9ZKjXiwO59 o7wp588kPcXHOsCSlM7XFkQWp/mU10UNZiRQ7L8Xb0rO0k1f1to3N2+D3SGk7iHoOGUN xZcw== X-Gm-Message-State: APjAAAWuz8x/EN+/nDeVfG9eqSAMErHvGTdgaMFWiaLf2BHrDpD0ZEtL gmPcax0Ee0g9q3q8ak8wx4jJCnn6nmi8vA== X-Google-Smtp-Source: APXvYqzpYKBvyeZPLAbcVCmGcAeC2Yc1P7WJTIR8eam1vhmJlO7dkkuFb0uf4YkXBuBn1cXsbsQQww== X-Received: by 2002:a17:902:1e3:: with SMTP id b90mr4817605plb.82.1565896437032; Thu, 15 Aug 2019 12:13:57 -0700 (PDT) Received: from [10.20.93.185] ([66.170.99.2]) by smtp.gmail.com with ESMTPSA id e7sm3766417pfn.72.2019.08.15.12.13.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Aug 2019 12:13:56 -0700 (PDT) From: Petr Vandrovec Subject: Re: [Bug 204407] New: Bad page state in process Xorg To: Vlastimil Babka Cc: Petr Vandrovec , 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 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> Message-ID: <0287aace-fec1-d2d1-370f-657e80477717@vandrovec.name> Date: Thu, 15 Aug 2019 12:13:21 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 PostboxApp/7.0.0b3 MIME-Version: 1.0 In-Reply-To: <45258da8-2ce7-68c2-1ba0-84f6c0e634b1@suse.cz> Content-Type: text/plain; charset=utf-8; format=flowed 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: Vlastimil=C2=A0Babka=C2=A0wrote=C2=A0on=C2=A08/15/2019=C2=A07:32=C2=A0AM: > > Does=C2=A0the=C2=A0issue=C2=A0still=C2=A0happen=C2=A0with=C2=A0rc4?=C2=A0= Could=C2=A0you=C2=A0apply=C2=A0the=C2=A03=C2=A0attached > patches=C2=A0(work=C2=A0in=C2=A0progress),=C2=A0configure-enable=C2=A0C= ONFIG_DEBUG_PAGEALLOC=C2=A0and > CONFIG_PAGE_OWNER=C2=A0and=C2=A0boot=C2=A0kernel=C2=A0with=C2=A0debug_p= agealloc=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). 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): [=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=A0fa= ult=C2=A0status=C2=A0reg=C2=A02 [=C2=A0=C2=A0 18.006619] DMAR: [DMA Write] Request device [07:00.1] fault= 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=A0fa= ult=C2=A0status=C2=A0reg=C2=A0102 [=C2=A0=C2=A0 18.085910] DMAR: [DMA Write] Request device [07:00.1] fault= 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=A0fa= ult=C2=A0status=C2=A0reg=C2=A0202 [=C2=A0=C2=A0 18.110985] DMAR: [DMA Write] Request device [07:00.1] fault= addr=20 fffe0000=C2=A0[fault=C2=A0reason=C2=A002]=C2=A0Present=C2=A0bit=C2=A0in=C2= =A0context=C2=A0entry=C2=A0is=C2=A0clear With iommu=3Doff disks are visible, but USB keyboard (and other USB=20 devices)=C2=A0does=C2=A0not=C2=A0work: [=C2=A0=C2=A0 18.174802] ehci-pci 0000:00:1a.0: swiotlb buffer is full (s= z: 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 0x0000000ffdc75a= e8+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 T3610/09M8Y8,= BIOS A16=20 02/05/2018 [=C2=A0=C2=A0=C2=A018.174822]=C2=A0Workqueue:=C2=A0usb_hub_wq=C2=A0hub_ev= ent 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 Petr