On Thu, 7 Aug 2014 02:38:43 -0400 Christopher Barry <christopher.r.ba...@gmail.com> said:
> On Thu, 7 Aug 2014 07:53:09 +0900 > Carsten Haitzler (The Rasterman) <ras...@rasterman.com> wrote: > > >On Wed, 6 Aug 2014 17:57:05 -0300 Gustavo Sverzut Barbieri > ><barbi...@gmail.com> said: > > > >> update, this is caused by efl/src/lib/ecore_x/xlib/ecore_x_vsync.c > >> "#define ECORE_X_VSYNC_DRM 1". If you remove that line (or #undef the > >> sym), it works, now to find out the actual call that triggers it to > >> produce a test case for them... > > > >aaah shit. the code is really simple - it really does one of 4 things. > >open /dev/dri/card0, call a drm lib call to schedule a new vsync > >event, and then select to listen on the drm fd with a timeout and then > >use drm call to "read" the fd for the event info. one of those would > >do it. given that, i would imagine it's the schedule of a new vsync > >interrupt one. > > > >is there a nice simple way to know you have a vbox virtual driver in > >the kernel and are a guest? i can put in something to veto it (eg > >something in /proc or /sys - some file that exists only inside vbox if > >the guest driver is there - i can put in a simple stat for it and > >avoid if there)? > > > > If I'm not mistaken, /proc/cpuinfo string output should say something > to the effect that's it's a vbox, but I don't have one to check to > know for sure... kvm vms say bochs as the vendor_id or model name > (IIRC). something more exact - specifically something that tells me the vbox guest drivers/modules are enabled. also the above would neeed more specifics. > >> On Wed, Aug 6, 2014 at 12:38 PM, Gustavo Sverzut Barbieri > >> <barbi...@gmail.com> wrote: > >> > sorry for the noise, this has nothing to do with Enlightenment or > >> > new vsync. I've disabled it and still happens, we're just > >> > triggering a bug in drm. > >> > > >> > if you suffer from this problem just remove > >> > virtualbox-guest-modules and you'll fallback to fbdev without > >> > problems (just setting X to use fbdev does not help, you need to > >> > remove vboxvideo.ko so it's never loaded). > >> > > >> > On Wed, Aug 6, 2014 at 11:42 AM, Gustavo Sverzut Barbieri > >> > <barbi...@gmail.com> wrote: > >> >> Hi all, > >> >> > >> >> Just a heads up that recent Enlightenment (GIT) is causing > >> >> problems with ArchLinux vanilla kernel (3.15.8-1-ARCH), at least > >> >> running inside VirtualBox 4.3.14. > >> >> > >> >> I'm trying to isolate the problem to report that to kernel guys > >> >> since a Kernel Oops is always a kernel bug, until then watch out > >> >> if you want to update and run similar setup. > >> >> > >> >> The relevant dmesg part is: > >> >> > >> >> [ 7.142526] BUG: unable to handle kernel NULL pointer > >> >> dereference at (null) [ 7.142532] IP: [< (null)>] (null) > >> >> [ 7.142534] *pde = 00000000 > >> >> [ 7.142536] Oops: 0000 [#1] PREEMPT SMP > >> >> [ 7.142539] Modules linked in: ext4 crc16 mbcache jbd2 ppdev > >> >> snd_intel8x0 snd_ac97_codec intel_rapl microcode ac97_bus pcspkr > >> >> snd_pcm psmouse serio_raw snd_timer i2c_piix4 joydev mousedev snd > >> >> soundcore mac_hid e1000 parport_pc parport floppy(+) ac battery > >> >> intel_agp intel_gtt button evdev vboxvideo(O) drm agpgart i2c_core > >> >> vboxsf(O) vboxguest(O) hid_generic usbhid hid crc32c_generic > >> >> btrfs xor raid6_pq sd_mod crc_t10dif crct10dif_common atkbd > >> >> libps2 ohci_pci ohci_hcd ehci_pci ehci_hcd ahci libahci libata > >> >> scsi_mod usbcore usb_common i8042 serio > >> >> [ 7.142562] CPU: 0 PID: 254 Comm: enlightenment Tainted: G > >> >> O 3.15.8-1-ARCH #1 > >> >> [ 7.142564] Hardware name: innotek GmbH VirtualBox/VirtualBox, > >> >> BIOS VirtualBox 12/01/2006 > >> >> [ 7.142566] task: f39fd2c0 ti: f3a58000 task.ti: f3a58000 > >> >> [ 7.142568] EIP: 0060:[<00000000>] EFLAGS: 00210046 CPU: 0 > >> >> [ 7.142570] EIP is at 0x0 > >> >> [ 7.142572] EAX: f5228400 EBX: f5228400 ECX: f8b7d140 EDX: > >> >> 00000000 [ 7.142573] ESI: f9fdb560 EDI: 00000000 EBP: f3a59de4 > >> >> ESP: f3a59d90 [ 7.142574] DS: 007b ES: 007b FS: 00d8 GS: 00e0 > >> >> SS: 0068 [ 7.142576] CR0: 80050033 CR2: 00000000 CR3: 33a5c000 > >> >> CR4: 000006d0 [ 7.142581] Stack: > >> >> [ 7.142583] f9fda8c2 f53a1d90 f5228400 f5228438 f5121cc0 > >> >> 00000000 f539f9c0 f3a59db4 > >> >> [ 7.142586] f9fdd1e0 00200046 f52284e8 f52284ea 00200246 > >> >> 00000000 00000000 f5b75024 > >> >> [ 7.142589] f539f9c0 c29a0d46 f5228400 f9fdb560 04000001 > >> >> f3a59e44 f9fdb5d8 f57cf948 > >> >> [ 7.142592] Call Trace: > >> >> [ 7.142601] [<f9fda8c2>] ? drm_vblank_get+0xd2/0x240 [drm] > >> >> [ 7.142607] [<f9fdd1e0>] ? drm_minor_release+0x10/0x20 [drm] > >> >> [ 7.142613] [<f9fdb560>] ? drm_modeset_ctl+0x70/0x70 [drm] > >> >> [ 7.142617] [<f9fdb5d8>] drm_wait_vblank+0x78/0x5e0 [drm] > >> >> [ 7.142622] [<c12320e0>] ? lockref_put_or_lock+0x20/0x40 > >> >> [ 7.142625] [<c11835f6>] ? mntput_no_expire+0x26/0x160 > >> >> [ 7.142629] [<f9fdb560>] ? drm_modeset_ctl+0x70/0x70 [drm] > >> >> [ 7.142633] [<f9fd7585>] drm_ioctl+0x1f5/0x560 [drm] > >> >> [ 7.142637] [<f9fdb560>] ? drm_modeset_ctl+0x70/0x70 [drm] > >> >> [ 7.142641] [<c1175d2d>] ? do_filp_open+0x3d/0xa0 > >> >> [ 7.142645] [<f9fd7390>] ? drm_copy_field+0x70/0x70 [drm] > >> >> [ 7.142648] [<c11782c2>] do_vfs_ioctl+0x302/0x4f0 > >> >> [ 7.142651] [<c11713bd>] ? final_putname+0x1d/0x40 > >> >> [ 7.142653] [<c11713bd>] ? final_putname+0x1d/0x40 > >> >> [ 7.142656] [<c10ad8f0>] ? ktime_get_ts+0x40/0x140 > >> >> [ 7.142658] [<c1181547>] ? __fget+0x57/0x90 > >> >> [ 7.142661] [<c1178530>] SyS_ioctl+0x80/0x90 > >> >> [ 7.142665] [<c14575e3>] sysenter_do_call+0x12/0x12 > >> >> [ 7.142666] Code: Bad EIP value. > >> >> [ 7.142669] EIP: [<00000000>] 0x0 SS:ESP 0068:f3a59d90 > >> >> [ 7.142672] CR2: 0000000000000000 > >> >> [ 7.142674] ---[ end trace 9c935fa0060b0fa8 ]--- > >> >> [ 7.142677] note: enlightenment[254] exited with preempt_count > >> >> 2 > >> >> > >> >> If someone has the same problem running outside of VirtualBox let > >> >> me know, likely kernel guys will not look at it since it's > >> >> "tainted", however I don't think there is any relation to that. > >> >> > >> >> -- > >> >> Gustavo Sverzut Barbieri > >> >> -------------------------------------- > >> >> Mobile: +55 (19) 99225-2202 > >> >> Contact: http://www.gustavobarbieri.com.br/contact > >> > > >> > > >> > > >> > -- > >> > Gustavo Sverzut Barbieri > >> > -------------------------------------- > >> > Mobile: +55 (19) 99225-2202 > >> > Contact: http://www.gustavobarbieri.com.br/contact > >> > >> > >> > >> -- > >> Gustavo Sverzut Barbieri > >> -------------------------------------- > >> Mobile: +55 (19) 99225-2202 > >> Contact: http://www.gustavobarbieri.com.br/contact > >> > >> ------------------------------------------------------------------------------ > >> Infragistics Professional > >> Build stunning WinForms apps today! > >> Reboot your WinForms applications with our WinForms controls. > >> Build a bridge from your legacy apps to the future. > >> http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk > >> _______________________________________________ > >> enlightenment-devel mailing list > >> enlightenment-de...@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/enlightenment-devel > >> > > > > > > ------------------------------------------------------------------------------ > Infragistics Professional > Build stunning WinForms apps today! > Reboot your WinForms applications with our WinForms controls. > Build a bridge from your legacy apps to the future. > http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk > _______________________________________________ > enlightenment-users mailing list > enlightenment-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/enlightenment-users > -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) ras...@rasterman.com ------------------------------------------------------------------------------ Infragistics Professional Build stunning WinForms apps today! 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