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Hello,
Yesterday after a system update and a reboot, my screen stayed desperatly black. Then I logged in to a console as root and started X by doing:
systemctl isolate multi-user.target
systemctl isolate graphical.targetThis means root can start X. So I created the file /etc/X11/Xwrapper.config:
allowed_users = anybody
needs_root_rights = yesbut no change. I'm using the Intel GPU (xf86-video-intel driver).
Any idea?
Last edited by zorggy (2014-07-30 06:50:46)
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How exactly are you starting X? Anything interesting in the logs?
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Oops, I did not search enough in the journal. Here is what looks like a bug:
Jul 30 10:12:09 xxx kernel: ------------[ cut here ]------------
Jul 30 10:12:09 xxx kernel: WARNING: CPU: 2 PID: 343 at drivers/gpu/drm/i915/intel_display.c:860 intel_wait_for_pipe_off+0x1a6/0x1b0 [i915]()
Jul 30 10:12:09 xxx kernel: pipe_off wait timed out
Jul 30 10:12:09 xxx kernel: Modules linked in: hid_generic snd_usb_audio usbhid snd_usbmidi_lib snd_rawmidi hid snd_seq_device tpm_infineon ipt_REJECT xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 coretemp hwmon xt_conntrack nf_conntrack iptable_filter ip_tables
Jul 30 10:12:09 xxx kernel: nfs lockd sunrpc fscache ext4 crc16 mbcache jbd2 sd_mod sr_mod crc_t10dif crct10dif_common cdrom atkbd libps2 ahci libahci libata ehci_pci xhci_hcd ehci_hcd scsi_mod usbcore usb_common i8042 serio
Jul 30 10:12:09 xxx kernel: CPU: 2 PID: 343 Comm: Xorg.bin Not tainted 3.15.7-1-ARCH #1
Jul 30 10:12:09 xxx kernel: Hardware name: Hewlett-Packard HP Compaq Elite 8300 CMT/3396, BIOS K01 v02.05 05/07/2012
Jul 30 10:12:09 xxx kernel: 0000000000000000 00000000900babe8 ffff880211fafa38 ffffffff8150880e
Jul 30 10:12:09 xxx kernel: ffff880211fafa80 ffff880211fafa70 ffffffff81069b2d ffff88020f0ac000
Jul 30 10:12:09 xxx kernel: 0000000000070008 00000000fffea31e 0000000000000000 ffff88020d530b48
Jul 30 10:12:09 xxx kernel: Call Trace:
Jul 30 10:12:09 xxx kernel: [<ffffffff8150880e>] dump_stack+0x4d/0x6f
Jul 30 10:12:09 xxx kernel: [<ffffffff81069b2d>] warn_slowpath_common+0x7d/0xa0
Jul 30 10:12:09 xxx kernel: [<ffffffff81069bac>] warn_slowpath_fmt+0x5c/0x80
Jul 30 10:12:09 xxx kernel: [<ffffffffa06e64b6>] intel_wait_for_pipe_off+0x1a6/0x1b0 [i915]
Jul 30 10:12:09 xxx kernel: [<ffffffffa06e656b>] intel_disable_pipe+0xab/0xc0 [i915]
Jul 30 10:12:09 xxx kernel: [<ffffffffa06e7814>] ironlake_crtc_disable+0xe4/0xa00 [i915]
Jul 30 10:12:09 xxx kernel: [<ffffffffa06eeac7>] __intel_set_mode+0x287/0x16b0 [i915]
Jul 30 10:12:09 xxx kernel: [<ffffffff81077bc4>] ? mod_timer+0x114/0x250
Jul 30 10:12:09 xxx kernel: [<ffffffffa06f2686>] intel_set_mode+0x16/0x30 [i915]
Jul 30 10:12:09 xxx kernel: [<ffffffffa06f3740>] intel_crtc_set_config+0xa90/0xde0 [i915]
Jul 30 10:12:09 xxx kernel: [<ffffffffa05dbe71>] drm_mode_set_config_internal+0x61/0xf0 [drm]
Jul 30 10:12:09 xxx kernel: [<ffffffffa05df40b>] drm_mode_setcrtc+0x2ab/0x620 [drm]
Jul 30 10:12:09 xxx kernel: [<ffffffffa05cfb9f>] drm_ioctl+0x1df/0x680 [drm]
Jul 30 10:12:09 xxx kernel: [<ffffffff811c7b10>] do_vfs_ioctl+0x2d0/0x4b0
Jul 30 10:12:09 xxx kernel: [<ffffffff811d221e>] ? __fget+0x6e/0xb0
Jul 30 10:12:09 xxx kernel: [<ffffffff811c7d71>] SyS_ioctl+0x81/0xa0
Jul 30 10:12:09 xxx kernel: [<ffffffff815165a9>] system_call_fastpath+0x16/0x1b
Jul 30 10:12:09 xxx kernel: ---[ end trace 614c784f88b552da ]---I have another computer running the same driver which succeeded the xorg update. So now I don't know what to do. Re-installing the driver? What package is it exactly?
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ou can reinstall both intel packages: xf86-video-intel (the driver) and intel-dri (if you have it installed).
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So I've just re-installed both drivers as they were installed and rebooted: same situation, same message in journal (with 'journalctl -b' to be sure it is the last boot).
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