From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrey Skvortsov Subject: Re: [BISECTED REGRESSION in 3.19-rc1] [drm/i915] WARNING: drivers/gpu/drm/drm_irq.c:1077 drm_wait_one_vblank Date: Wed, 4 Feb 2015 20:26:45 +0300 Message-ID: <20150204172645.GA2623@crion86> References: <20150131211609.GA3710@yulia-desktop> <1423053134.30076.12.camel@tiscali.nl> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1989214239==" Return-path: In-Reply-To: <1423053134.30076.12.camel@tiscali.nl> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Paul Bolle Cc: David Airlie , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Daniel Vetter List-Id: intel-gfx@lists.freedesktop.org --===============1989214239== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="envbJBWh7q8WU6mo" Content-Disposition: inline --envbJBWh7q8WU6mo Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 04, 2015 at 01:32:14PM +0100, Paul Bolle wrote: > Andrey Skvortsov schreef op zo 01-02-2015 om 00:16 [+0300]: > > this warning exist in v3.19-rc6 and does not in v3.18. Bisection > > points to the commit 51e31d49c890552 "drm/i915: Use generic vblank wait= ". > > I have two machines with integrated Intel graphics and the problem > > happens only on the old one with GM965 chipset and X3100 integrated gr= aphics. >=20 > I see this too, since v3.19-rc1, on an (outdated) ThinkPad X41. >=20 > > backtrace information: > >=20 > > [ 31.780813] WARNING: CPU: 0 PID: 718 at drivers/gpu/drm/drm_irq.c:10= 77 drm_wait_one_vblank+0x33/0x141 [drm]() >=20 > But it also prints > vblank not available on crtc 0, ret=3D-22 >=20 > after the WARNING line, on that machine. I have "vblank not available on crtc 1, ret=3D-22" there. > > [ 31.780862] thermal_sys(E) > > [ 31.780866] CPU: 0 PID: 718 Comm: kworker/u4:3 Tainted: G = E 3.17.0-rc5-150116--00578-g51e31d4 #16 > > [ 31.780868] Hardware name: Dell Inc. Vostro 1500 = /0NX907, BIOS A06 04/21/2008 > > [ 31.780873] Workqueue: events_unbound async_run_entry_fn > > [ 31.780875] 0000000000000000 ffffffffa0544b9d ffffffff813d4e81 0000= 000000000000 > > [ 31.780879] ffffffff8103dec3 ffff8800d84e0068 ffffffffa0521c73 0000= 000000070008 > > [ 31.780882] ffff8800d84e0000 ffff8801973e0800 0000000000000000 0000= 000000006014 > > [ 31.780886] Call Trace: > > [ 31.780890] [] ? dump_stack+0x4a/0x75 > > [ 31.780894] [] ? warn_slowpath_common+0x7e/0x97 > > [ 31.781050] [] ? drm_wait_one_vblank+0x33/0x141 [= drm] > > [ 31.781078] [] ? drm_wait_one_vblank+0x33/0x141 [= drm] > > [ 31.781122] [] ? intel_enable_tv+0x22/0x58 [i915] > > [ 31.781153] [] ? i9xx_crtc_enable+0x33b/0x397 [i9= 15] > > [ 31.781184] [] ? __intel_set_mode+0x1160/0x1209 [= i915] > > [ 31.781216] [] ? intel_set_mode+0x12/0x2c [i915] > > [ 31.781247] [] ? intel_get_load_detect_pipe+0x367= /0x408 [i915] > > [ 31.781281] [] ? intel_tv_detect+0x103/0x444 [i91= 5] > > [ 31.781289] [] ? drm_helper_probe_single_connecto= r_modes_merge_bits+0xc0/0x327 [drm_kms_helper] > > [ 31.781296] [] ? drm_fb_helper_probe_connector_mo= des+0x3d/0x51 [drm_kms_helper] > > [ 31.781303] [] ? drm_fb_helper_initial_config+0x3= d/0x303 [drm_kms_helper] > > [ 31.781306] [] ? async_run_entry_fn+0x5a/0x110 > > [ 31.781310] [] ? process_one_work+0x194/0x292 > > [ 31.781313] [] ? worker_thread+0x236/0x298 > > [ 31.781316] [] ? process_scheduled_works+0x2a/0x2a > > [ 31.781319] [] ? kthread+0x9e/0xa6 > > [ 31.781322] [] ? kthread_freezable_should_stop+0x= 36/0x36 > > [ 31.781326] [] ? ret_from_fork+0x7c/0xb0 > > [ 31.781329] [] ? kthread_freezable_should_stop+0x= 36/0x36 > > [ 31.782726] ---[ end trace e2b78017f1a10054 ]--- > >=20 --=20 Best regards, Andrey Skvortsov PGP Key ID: 0x57A3AEAD --envbJBWh7q8WU6mo Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCgAGBQJU0lZVAAoJEAF8y6L1SLCt42IQAIlcZlGaHVC+rybgyFLBLCGz dOHnsNYBPYtazAxKrxU/4raXvXtjV5ntL/b5HoO4jP8wJu2JA4QmL7Yk7kMgs0Da woE275fkY6iA5aqnTWyu9aX/+T4nu1jdUyJBmSS3HsVkz2bBejSdXG2K6AIuCuio vTCl3JWNqSZY/CNm3Xwd/QjjBRgsnOHWnHPcuSvSfwdjJwTmFb9LJ6DTQX46NuCk XMdKEGUg6IU+ysNyrWhy/3r4H+0LQXuihMn3VzZaeUqAvE/fYkwRch6l2UzujNCf lXvIFhumVjaq55vv4A4Qet18fWv7DwVzyGPeXlVb/aoVPkPzYbQ3Yb1INrBS8UUT SQ8o7dxPFUCZE9j+aToaa/X0X+SN+zNN+vBcUYZRf0koraLFe1IcICA5NJz9Eocr bAVbaxGt1tW+eL6pm43laCNeqFcOaQ9XBiCpP/SpRDz1YGG5qk1P8oSXVp+szNDV Bk1065ALkD5wjpJhOWsK2bp++ogQMyCG7BQtQrLJuUGWTaKIFesn4lbOFvC2utBI SqvfLrFbnX0UpEU031vhcoKTlBuYwwZgQ2XT0Gwk3AGO+bEo6rFnozgwsBG39Vf7 ucw8AaFSDWk4j1KEJCYfrLidJBovMjRoHM1Jg8RirfXjeqgqStPTE+A2pU6Ie0DW PtKSZNfJlF/r+6iw2nmy =5sZ4 -----END PGP SIGNATURE----- --envbJBWh7q8WU6mo-- --===============1989214239== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4 IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK --===============1989214239==--