Hi! After longer inactivity, attempt to wake up the screen results in screen being completely red. Not too useful. I can still connect over ssh. This happens all the time: Jun 30 11:34:08 devuan kernel: [ 143.605499] ------------[ cut here ]------------ Jun 30 11:34:08 devuan kernel: [ 143.610168] WARNING: CPU: 1 PID: 2220 at drivers/gpu/drm/omapdrm/ dss/hdmi4.c:667 hdmi_audio_stop+0x5c/0x68 Jun 30 11:34:08 devuan kernel: [ 143.619873] Modules linked in: Jun 30 11:34:08 devuan kernel: [ 143.622955] CPU: 1 PID: 2220 Comm: pulseaudio Not tainted 4.18.0- rc2-88315-g3452793-dirty #756 Jun 30 11:34:08 devuan kernel: [ 143.631591] Hardware name: Generic OMAP4 (Flattened Device Tree) Jun 30 11:34:08 devuan kernel: [ 143.637634] [<c010f6cc>] (unwind_backtrace) from [<c010ba50>] (sh ow_stack+0x10/0x14) Jun 30 11:34:08 devuan kernel: [ 143.645446] [<c010ba50>] (show_stack) from [<c086d7ec>] (dump_sta ck+0x8c/0xac) Jun 30 11:34:08 devuan kernel: [ 143.652740] [<c086d7ec>] (dump_stack) from [<c012d364>] (__warn+0 xe8/0x114) Jun 30 11:34:08 devuan kernel: [ 143.659729] [<c012d364>] (__warn) from [<c012d3cc>] (warn_slowpath_null+0x3c/0x48) Jun 30 11:34:08 devuan kernel: [ 143.667358] [<c012d3cc>] (warn_slowpath_null) from [<c047b7dc>] (hdmi_audio_stop+0x5c/0x68) Jun 30 11:34:08 devuan kernel: [ 143.675750] [<c047b7dc>] (hdmi_audio_stop) from [<c06a9824>] (hdmi_dai_trigger+0x6c/0x88) Jun 30 11:34:08 devuan kernel: [ 143.683990] [<c06a9824>] (hdmi_dai_trigger) from [<c06990d0>] (soc_pcm_trigger+0xf0/0x130) Jun 30 11:34:08 devuan kernel: [ 143.692291] [<c06990d0>] (soc_pcm_trigger) from [<c067a9f4>] (snd_pcm_do_stop+0x54/0x58) Jun 30 11:34:08 devuan kernel: [ 143.700439] [<c067a9f4>] (snd_pcm_do_stop) from [<c067a7a4>] (snd_pcm_action_single+0x38/0x78) Jun 30 11:34:08 devuan kernel: [ 143.709075] [<c067a7a4>] (snd_pcm_action_single) from [<c067c468>] (snd_pcm_drop+0x48/0x94) Jun 30 11:34:08 devuan kernel: [ 143.717468] [<c067c468>] (snd_pcm_drop) from [<c067d508>] (snd_pcm_ioctl+0x870/0x1180) Jun 30 11:34:08 devuan kernel: [ 143.725433] [<c067d508>] (snd_pcm_ioctl) from [<c0215944>] (do_vfs_ioctl+0x80/0x960) Jun 30 11:34:08 devuan kernel: [ 143.733215] [<c0215944>] (do_vfs_ioctl) from [<c0216280>] (ksys_ioctl+0x5c/0x80) Jun 30 11:34:08 devuan kernel: [ 143.740661] [<c0216280>] (ksys_ioctl) from [<c0101000>] (ret_fast_syscall+0x0/0x54) Jun 30 11:34:08 devuan kernel: [ 143.748352] Exception stack(0xeb8fffa8 to 0xeb8ffff0) Jun 30 11:34:08 devuan kernel: [ 143.753448] ffa0: 005129b0 b1971394 00000015 00004143 00000000 00512960 This is probably unrelated: [13215.125732] cpcap-usb-phy cpcap-usb-phy.0: connected to USB host [13245.205535] cpcap-usb-phy cpcap-usb-phy.0: connected to USB host [13252.969940] power_supply battery: driver failed to report `power_now' property: -22 [13275.285369] cpcap-usb-phy cpcap-usb-phy.0: connected to USB host [13291.993652] Charging, 4350000 uV, 532000 uA [13292.001708] Charging, 4350000 uV, 532000 uA [13305.364837] cpcap-usb-phy cpcap-usb-phy.0: connected to USB host [13335.445037] cpcap-usb-phy cpcap-usb-phy.0: connected to USB host [13365.524291] cpcap-usb-phy cpcap-usb-phy.0: connected to USB host [13372.940093] power_supply battery: driver failed to report `power_now' property: -22 [13383.554412] g_ether gadget: packet filter 0e [13383.558715] g_ether gadget: ecm req21.43 v000e i0000 l0 [13383.580261] g_ether gadget: notify connect true [13383.612243] g_ether gadget: notify speed 425984000 [13387.213256] cpcap_adc cpcap_adc.0: error reading ADC: -110 [13387.218780] cpcap_battery cpcap_battery.0: cpcap_battery_get_voltage failed: -110 [13387.523254] cpcap_adc cpcap_adc.0: error reading ADC: -110 [13387.528778] cpcap_battery cpcap_battery.0: cpcap_battery_get_current failed: -110 Ideas welcome. Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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