From mboxrd@z Thu Jan 1 00:00:00 1970 From: Przemek Socha Subject: amd-staging-drm-next, CIK apu, [TTM] Erroneous page count. Leaking pages. [BISECTED] Date: Thu, 11 Apr 2019 18:53:23 +0200 Message-ID: <7748299.amKHJ1hp7T@eclipse> Reply-To: soprwa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1966093882==" Return-path: List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: amd-gfx list , Christian =?ISO-8859-1?Q?K=F6nig?= , Michel =?ISO-8859-1?Q?D=E4nzer?= , Junwei Zhang , Huang Rui --===============1966093882== Content-Type: multipart/signed; boundary="nextPart3341740.nS66X44CjF"; micalg="pgp-sha256"; protocol="application/pgp-signature" --nextPart3341740.nS66X44CjF Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Hi All, after today's sync with amd-staging-drm-next branch I have problems with my= =20 Mullins APU Netbook. Kernel log is flooded with "[TTM] Erroneous page count. Leaking pages."=20 message. Bisected, and it seems that "drm/ttm: fix start page for huge page check in= =20 ttm_put_pages()" commit is causing this. git bisect log: git bisect start # good: [c2af9f9e84183a4dbcb53a74abbe3362dc181682] drm/amd/display: fix cur= sor=20 black issue git bisect good c2af9f9e84183a4dbcb53a74abbe3362dc181682 # bad: [b07c394a327fc9e435ee03288584c111fa73d963] drm/amd/display: fix is o= dm=20 head pipe logic git bisect bad b07c394a327fc9e435ee03288584c111fa73d963 # bad: [367fa96ad66fef31bf73916cf4949c475f42563f] drm/amd/display: use prop= er=20 formula to calculate bandwidth from timing git bisect bad 367fa96ad66fef31bf73916cf4949c475f42563f # good: [94275c6d27deebbce5055e1bb1959986051b93f2] drm/amdgpu: Add a check = to=20 avoid panic because of unexpected irqs git bisect good 94275c6d27deebbce5055e1bb1959986051b93f2 # bad: [8198a32b1211c6f625623bae22629cf852531097] drm/amd/display: Initiali= ze=20 stream_update with memset git bisect bad 8198a32b1211c6f625623bae22629cf852531097 # bad: [e16858a7e6e7dc00345703682d490b96f2883b99] drm/ttm: fix start page f= or=20 huge page check in ttm_put_pages() git bisect bad e16858a7e6e7dc00345703682d490b96f2883b99 # good: [b414dfd1f975bbf4c9ee4600f9bedcf77bae84ed] drm/ttm: fix out-of-boun= ds=20 read in ttm_put_pages() v2 git bisect good b414dfd1f975bbf4c9ee4600f9bedcf77bae84ed # first bad commit: [e16858a7e6e7dc00345703682d490b96f2883b99] drm/ttm: fix= =20 start page for huge page check in ttm_put_pages() e16858a7e6e7dc00345703682d490b96f2883b99 is the first bad commit commit e16858a7e6e7dc00345703682d490b96f2883b99 Author: Christian K=C3=B6nig Date: Tue Apr 2 09:29:35 2019 +0200 drm/ttm: fix start page for huge page check in ttm_put_pages() =20 The first page entry is always the same with itself. =20 Signed-off-by: Christian K=C3=B6nig Reviewed-by: Michel D=C3=A4nzer Reviewed-by: Junwei Zhang Reviewed-by: Huang Rui Any help is appreciated. Thanks, Przemek. --nextPart3341740.nS66X44CjF Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE2zcce+zboy/je1pmPMstj1lsVJMFAlyvcQMACgkQPMstj1ls VJNKNhAAqSZx71ayc2FpjT59RBLiav4VoTcSbr1GdQFZbTRkIwk2qHyObpX9ZUIS YIyoiUeCuMCBVrveNy0NDH2wTSxGwXWI9EMcQuJq58wMQuqB8DnsXiqD96BITocp x2UFjqe5d5DQzpCoAs+zfQkwyWAwUO3G8wHILD6D7aCCc1WxEZQHaEFa7Si30kGq X0I4H0Oiw9BQLnn4qhx2oRkk3YVTVUDmJhfUlDyS2L04EmitQfAj3pjdvf8RO1Al /GoaAiIDYuZ1UkrWYBthkQZLr9IyylKfRIAwj3m5PsUW7nYDi0v2k8WyY36MKWRg Lh7NDdpyqCCbaAzAgmboVvbsr0MTUcftXonqGVWk5M1Vw5XayArD9xj94yq/HWvE ZYXRmBM53DwJrC7suDyVx2tCxfbxQ7byIxMvNIaTx/KFogrQ2+Sv5fKpgTdC2Ux9 ZWqboti6WYF3E3y6qHWkJ67ctoLdn8GdnOF1ux9DNyUMigCr41dj+Xo66vlHPy22 wtctGMceju2g/+116rrM6QZiIQA7CFvmnK4A1OrwxMhHlwE6jBBrqx+/kSc1b0b2 mEn4uzlCaq413q9SzO4ptqPncczfsLEjq+xNphT9sRPRcVweZg//OdzdVBwnNCTV nroIG1ZPlcCRx6Zrs/PZdeKb8OPOdByvVUPzEck63fwRxUYgf2o= =F/mY -----END PGP SIGNATURE----- --nextPart3341740.nS66X44CjF-- --===============1966093882== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBt YWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4 --===============1966093882==--