Screen blanking when copying files to USB/SD-Card ??

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On Fri, Mar 22, 2013 at 10:51 AM, Fabrice Delente <delentef at gmail.com> wrote:
> I have noticed this bug of the driver when I copy a big gob of data to
> an USB/SD-Card mounted driver, with vfat filesystem: the screen turns
> off, and nothing can turn it on again. I can ssh into the machine,
> where everything is still running ok, so it's really a display
> problem.
>
> I can turn off the screen with xset dpms force off, it turns back on
> again correctly; I can use xscreensaver too.
>
> This is on a Gentoo laptop, with this chipset:
>
> # lspci
> 00:02.0 VGA compatible controller: Intel Corporation Mobile
> GM965/GL960 Integrated Graphics Controller (primary) (rev 03)
>
> I have this in Xorg.0.log:
>
> [    62.133] (II) LoadModule: "intel"
> [    62.192] (II) Loading /usr/lib64/xorg/modules/drivers/intel_drv.so
> [    62.235] (II) Module intel: vendor="X.Org Foundation"
> [    62.235]    compiled for 1.13.3, module version = 2.21.4
> [    62.235]    Module class: X.Org Video Driver
> [    62.235]    ABI class: X.Org Video Driver, version 13.1
>
> [    62.241] (--) intel(0): Integrated Graphics Chipset: Intel(R) 965GM
>
> I don't know if any other info in /var/log/Xorg.0.log is relevant.
>
> In /var/log/messages, I found this dump:
>
> Mar 18 07:07:27 slick kernel: [    8.293383] agpgart-intel
> 0000:00:00.0: Intel 965GM Chipset
> Mar 18 07:07:27 slick kernel: [    8.293441] agpgart-intel
> 0000:00:00.0: detected gtt size: 524288K total, 262144K mappable
> Mar 18 07:07:27 slick kernel: [    8.293938] agpgart-intel
> 0000:00:00.0: detected 8192K stolen memory
> Mar 18 07:07:27 slick kernel: [    8.294159] agpgart-intel
> 0000:00:00.0: AGP aperture is 256M @ 0xe0000000
>
> and also

That's just the driver noticing that something is amiss, and
complaining loudly about it. Two things:
- Can you please boot with drm.debug=0xe, reproduce the bug and then
attach the complete dmesg? That should spill tons more useful
information about how we ended up in this broken state.
- Is this a regression?

Also, can you please file this as a bug against DRI -> DRM (Intel) on
bugs.freedesktop.org, to make sure we don't lose track of it?

Thanks, Daniel

> Mar 19 11:20:51 slick kernel: [  752.186046] WARNING: at
> drivers/gpu/drm/i915/intel_display.c:1225 assert_pipe+0x70/0x75
> [i915]()
> Mar 19 11:20:51 slick kernel: [  752.186049] Hardware name:
> EasyNote_BG46-P-042FR
> Mar 19 11:20:51 slick kernel: [  752.186051] pipe A assertion failure
> (expected on, current off)
> Mar 19 11:20:51 slick kernel: [  752.186052] Modules linked in: hidp
> rfcomm ipv6 bnep af_packet vboxnetadp(O) vboxnetflt(O) vboxdrv(O)
> usb_storage btusb bluetooth i915 snd_hda_codec_realtek arc4 snd_hda_
> intel r8169 snd_hda_codec fbcon bitblit iwl3945 softcursor font
> i2c_algo_bit snd_hwdep iwlegacy uhci_hcd intel_agp snd_pcm tileblit
> snd_page_alloc mac80211 drm_kms_helper snd_timer ehci_hcd snd drm
> intel
> _gtt usbcore cfg80211 soundcore i2c_core agpgart asus_laptop
> usb_common input_polldev sparse_keymap led_class acpi_cpufreq rfkill
> psmouse thermal mperf coretemp video processor thermal_sys rtc_cmos
> backl
> ight microcode battery ac hwmon evdev unix
> Mar 19 11:20:51 slick kernel: [  752.186112] Pid: 2649, comm: X
> Tainted: G        W  O 3.7.1-tuxonice #1
> Mar 19 11:20:51 slick kernel: [  752.186114] Call Trace:
> Mar 19 11:20:51 slick kernel: [  752.186120]  [<ffffffff810357ef>]
> warn_slowpath_common+0x7e/0x96
> Mar 19 11:20:51 slick kernel: [  752.186124]  [<ffffffff8103589b>]
> warn_slowpath_fmt+0x41/0x43
> Mar 19 11:20:51 slick kernel: [  752.186137]  [<ffffffffa01e3b98>]
> assert_pipe+0x70/0x75 [i915]
> Mar 19 11:20:51 slick kernel: [  752.186148]  [<ffffffffa01e48aa>]
> intel_enable_plane+0x2f/0x70 [i915]
> Mar 19 11:20:51 slick kernel: [  752.186160]  [<ffffffffa01e4a2e>]
> i9xx_crtc_enable+0x143/0x1a0 [i915]
> Mar 19 11:20:51 slick kernel: [  752.186172]  [<ffffffffa01e82ac>]
> intel_crtc_update_dpms+0x54/0x6d [i915]
> Mar 19 11:20:51 slick kernel: [  752.186184]  [<ffffffffa01e8342>]
> intel_encoder_dpms+0x1e/0x20 [i915]
> Mar 19 11:20:51 slick kernel: [  752.186196]  [<ffffffffa01e94a0>]
> intel_connector_dpms+0x34/0x5a [i915]
> Mar 19 11:20:51 slick kernel: [  752.186205]  [<ffffffffa030e034>]
> drm_mode_obj_set_property_ioctl+0x181/0x215 [drm]
> Mar 19 11:20:51 slick kernel: [  752.186214]  [<ffffffffa030e0f3>]
> drm_mode_connector_property_set_ioctl+0x2b/0x2d [drm]
> Mar 19 11:20:51 slick kernel: [  752.186221]  [<ffffffffa0300676>]
> drm_ioctl+0x2c9/0x38b [drm]
> Mar 19 11:20:51 slick kernel: [  752.186225]  [<ffffffff81315549>] ?
> _raw_spin_unlock_irq+0x26/0x31
> Mar 19 11:20:51 slick kernel: [  752.186233]  [<ffffffffa030e0c8>] ?
> drm_mode_obj_set_property_ioctl+0x215/0x215 [drm]
> Mar 19 11:20:51 slick kernel: [  752.186237]  [<ffffffff810125cc>] ?
> __restore_xstate_sig+0x2dc/0x2e0
> Mar 19 11:20:51 slick kernel: [  752.186241]  [<ffffffff810112d8>] ?
> __switch_to_xtra+0x145/0x16e
> Mar 19 11:20:51 slick kernel: [  752.186245]  [<ffffffff81059641>] ?
> set_next_entity+0x3b/0x60
> Mar 19 11:20:51 slick kernel: [  752.186249]  [<ffffffff810e1d2c>]
> do_vfs_ioctl+0x40d/0x44e
> Mar 19 11:20:51 slick kernel: [  752.186252]  [<ffffffff81080993>] ?
> do_raw_spin_unlock+0x9/0xd
> Mar 19 11:20:51 slick kernel: [  752.186256]  [<ffffffff81040be2>] ?
> recalc_sigpending+0x46/0x4a
> Mar 19 11:20:51 slick kernel: [  752.186259]  [<ffffffff8104124d>] ?
> __set_task_blocked+0x60/0x67
> Mar 19 11:20:51 slick kernel: [  752.186262]  [<ffffffff810e1dc6>]
> sys_ioctl+0x59/0x7f
> Mar 19 11:20:51 slick kernel: [  752.186266]  [<ffffffff8104305c>] ?
> sigprocmask+0x5e/0x62
> Mar 19 11:20:51 slick kernel: [  752.186270]  [<ffffffff813161ed>]
> system_call_fastpath+0x1a/0x1f
> Mar 19 11:20:51 slick kernel: [  752.186272] ---[ end trace
> d4f758f48e7a9ae1 ]---
> Mar 19 11:20:52 slick kernel: [  753.240037] [drm:intel_enable_lvds]
> *ERROR* timed out waiting for panel to power on
>
> I hope this problem can be solved.
>
> Thanks.
>
> --
> F. Delente
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


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