On Tue, Aug 21, 2012 at 08:42:35AM +0200, Daniel Vetter wrote: > On Tue, Aug 21, 2012 at 7:13 AM, Herton Ronaldo Krzesinski > <[email protected]> wrote: > > I had the same problem as on 3.2 with this change, i915 stopped working > > unable to initialize render ring, eg. on one of the boots here: > > [drm:init_ring_common] *ERROR* render ring initialization failed ctl > > 0001f003 head 00001020 tail 00000000 start 00001000 > > > > But unlike I was expecting as with 3.2 case, picking commit > > f01db988ef6f6c70a6cc36ee71e4a98a68901229 ("drm/i915: Add wait_for in > > init_ring_common") here isn't enough, it continues to fail even if I > > try to increase the delay in the wait_for, I'm not sure why yet... may > > be something else is going on, or 3.0 has something else missing. > > > > Also the same proposed patch for 3.4.10 gives the same problem, but > > picking f01db988ef6f6c70a6cc36ee71e4a98a68901229 there made things work > > again like happend on first 3.2.28 proposed update. Only 3.0 > > is misteriously failing either way here. > > I guess we're missing something then still in the stable backports for > 3.0. Herton, what machine do you have exaclty (lspci -nn)?
It's a G41 based board: 00:00.0 Host bridge [0600]: Intel Corporation 4 Series Chipset DRAM Controller [8086:2e30] (rev 03) 00:02.0 VGA compatible controller [0300]: Intel Corporation 4 Series Chipset Integrated Graphics Controller [8086:2e32] (rev 03) 00:1b.0 Audio device [0403]: Intel Corporation N10/ICH 7 Family High Definition Audio Controller [8086:27d8] (rev 01) 00:1c.0 PCI bridge [0604]: Intel Corporation N10/ICH 7 Family PCI Express Port 1 [8086:27d0] (rev 01) 00:1c.2 PCI bridge [0604]: Intel Corporation N10/ICH 7 Family PCI Express Port 3 [8086:27d4] (rev 01) 00:1d.0 USB Controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 [8086:27c8] (rev 01) 00:1d.1 USB Controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 [8086:27c9] (rev 01) 00:1d.2 USB Controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 [8086:27ca] (rev 01) 00:1d.3 USB Controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 [8086:27cb] (rev 01) 00:1d.7 USB Controller [0c03]: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller [8086:27cc] (rev 01) 00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev e1) 00:1f.0 ISA bridge [0601]: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge [8086:27b8] (rev 01) 00:1f.2 IDE interface [0101]: Intel Corporation N10/ICH7 Family SATA IDE Controller [8086:27c0] (rev 01) 00:1f.3 SMBus [0c05]: Intel Corporation N10/ICH 7 Family SMBus Controller [8086:27da] (rev 01) 02:00.0 Ethernet controller [0200]: Atheros Communications AR8151 v1.0 Gigabit Ethernet [1969:1073] (rev c0) > > Greg, I think for now it's better if you hold off on merging this > patch to 3.0 until this is sorted out. > > Thanks, Daniel > -- > Daniel Vetter > [email protected] - +41 (0) 79 365 57 48 - http://blog.ffwll.ch > -- []'s Herton -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
