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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - i195: modesetting stops working on kernel 4.17, works fine on 4.16"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106804#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - i195: modesetting stops working on kernel 4.17, works fine on 4.16"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106804">bug 106804</a>
from <span class="vcard"><a class="email" href="mailto:arekm@maven.pl" title="Arkadiusz Miskiewicz <arekm@maven.pl>"> <span class="fn">Arkadiusz Miskiewicz</span></a>
</span></b>
<pre>From strace:
1880 ioctl(14, DRM_IOCTL_I915_GEM_MMAP <unfinished ...>
1895 <... read resumed> 0x2163e98, 7752) = -1 EAGAIN (Resource temporarily
unavailable)
1880 <... ioctl resumed> , 0x7ffe47fdf6b0) = 0
1895 read(37, 0x2163e80, 7776) = -1 EAGAIN (Resource temporarily
unavailable)
1895 read(37, 0x2163e68, 7800) = -1 EAGAIN (Resource temporarily
unavailable)
1895 read(37, <unfinished ...>
1880 ioctl(16, DRM_IOCTL_MODE_LIST_LESSEES <unfinished ...>
1895 <... read resumed> 0x2163e50, 7824) = -1 EAGAIN (Resource temporarily
unavailable)
1880 <... ioctl resumed> , 0x7ffe47fdf9a0) = 0
1880 ioctl(16, DRM_IOCTL_MODE_LIST_LESSEES, 0x7ffe47fdf9a0) = 0
1880 ioctl(14, DRM_IOCTL_MODE_DIRTYFB, 0x7ffe47fdf980) = -1 ENOENT (No such
file or directory)
1880 ioctl(14, DRM_IOCTL_MODE_SETGAMMA <unfinished ...>
1895 write(22, "\0", 1) = 1
1895 epoll_wait(25, <unfinished ...>
1880 <... ioctl resumed> , 0x7ffe47fdf8e0) = 0
1880 ioctl(14, DRM_IOCTL_MODE_ADDFB2, 0x7ffe47fdf6e0) = 0
1880 ioctl(14, DRM_IOCTL_MODE_CREATEPROPBLOB, 0x7ffe47fdf740) = 0
1880 ioctl(14, DRM_IOCTL_MODE_ATOMIC, 0x7ffe47fdf7f0) = -1 EINVAL (Invalid
argument)
1880 write(4, "[ 126.170] ", 13) = 13
1880 write(4, "(EE) modeset(0): failed to set mode: Invalid argument\n", 54) =
54
1880 epoll_wait(3, [{EPOLLIN, {u32=31794656, u64=31794656}}], 256, 599996) = 1</pre>
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