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Hi,
I am trying Arch on my brand new Dell and particularly the USB type C multi adapter (Ethernet, VGA, HDMI)
Kernel used : 4.5
If I boot the laptop with the adapter connected to, Arch recognizes the Ethernet adapter.
If I decide to connect it after the boot I need a PCIe rescan to be able to see the Ethernet Adapter.
If I disconnect it and reconnect it impossible to get the card back (like acpi ends with a bug)
Regarding HDMI, xfce is able to detect the external monitor correctly, but no signal is sent and the screen remains black..
EDIT: Forgot to mention that VGA is working well, so both HDMI (external monitor detected, but no signal sent to the monitor which stays black) and Ethernet (not working if I reconnect it)are affected.
EDIT2: VGA has an issue as well, when the VGA is connected it is fine, as soon as I disconnect it and make the laptop in sleep mode it hangs with black screen and impossible to wake up the computer anymore, even if the power button light is on..
here my related dmesg:
[ 997.082343] Call Trace:
[ 997.082355] [<ffffffff812d8b11>] dump_stack+0x63/0x82
[ 997.082360] [<ffffffff81076de2>] warn_slowpath_common+0x82/0xc0
[ 997.082364] [<ffffffff81076e7c>] warn_slowpath_fmt+0x5c/0x80
[ 997.082377] [<ffffffffa00f94f7>] skl_update_other_pipe_wm+0x177/0x180 [i915]
[ 997.082390] [<ffffffffa00f968e>] skl_update_wm+0x18e/0x5f0 [i915]
[ 997.082407] [<ffffffffa018413f>] ? intel_ddi_enable_transcoder_func+0x17f/0x260 [i915]
[ 997.082420] [<ffffffffa00fcd9e>] intel_update_watermarks+0x1e/0x30 [i915]
[ 997.082439] [<ffffffffa01679a1>] haswell_crtc_enable+0x321/0x8c0 [i915]
[ 997.082457] [<ffffffffa01632b7>] intel_atomic_commit+0x737/0x1870 [i915]
[ 997.082466] [<ffffffffa0032581>] ? drm_atomic_check_only+0x181/0x600 [drm]
[ 997.082473] [<ffffffffa0032a37>] drm_atomic_commit+0x37/0x60 [drm]
[ 997.082478] [<ffffffffa00a28c6>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper]
[ 997.082489] [<ffffffffa00211b2>] drm_mode_set_config_internal+0x62/0x100 [drm]
[ 997.082498] [<ffffffffa00262c0>] drm_mode_setcrtc+0x3e0/0x500 [drm]
[ 997.082506] [<ffffffffa0017892>] drm_ioctl+0x152/0x540 [drm]
[ 997.082514] [<ffffffffa0025ee0>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
[ 997.082518] [<ffffffff811eac5c>] ? __vfs_write+0xcc/0x100
[ 997.082522] [<ffffffff811fdbb1>] do_vfs_ioctl+0xa1/0x5b0
[ 997.082526] [<ffffffff81082d81>] ? __set_task_blocked+0x41/0xa0
[ 997.082530] [<ffffffff81207fc7>] ? __fget+0x77/0xb0
[ 997.082534] [<ffffffff811fe139>] SyS_ioctl+0x79/0x90
[ 997.082537] [<ffffffff810858ce>] ? SyS_rt_sigprocmask+0x8e/0xc0
[ 997.082541] [<ffffffff815ab32e>] entry_SYSCALL_64_fastpath+0x12/0x6d
[ 997.082544] ---[ end trace 5285a5658ce7e2d8 ]---Anyone who succesfully use it?
many thanks
belette
Last edited by belette (2016-03-30 08:58:38)
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not all but some issues related to this:
https://bugzilla.kernel.org/show_bug.cgi?id=115121
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I have some issues with VGA adapter as well. I have a type-c to vga converter, but it works only at times. I usually make it work by doing
xrandr --addmode DP-1 1920x1080
xrandr --output HDMI-2 --off --output HDMI-1 --off --output DP-1 --mode 1920x1080 --pos 0x0 --rotate normal --output eDP-1 --mode 1920x1080 --pos 0x1080 --rotate normal --output DP-2 --offthe second line being created by running arandr. But it is very buggy, and sometimes I have to try several time before the screen detects input from the VGA adapter. Sometimes I get an error about being unable to set crtc1 or something similar.
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Regarding your second edit in OP: any chance that the issues is simply due to the prompt to type your password being hidden in the second screen and therefore unreacheable? Have you tried switching to tty? Do you have some sort of screensaver daemon running like xscreensaver?
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Did you try the usb-c patch that is in the thread you linked?
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