On Tue, 6 Sep 2005, Antonino A. Daplas wrote:
There might be a bug with the ioremap patch that got in by the time
linux-2.6.13 was released. The intelfb maintainer is still working on it.
You can try to revert that patch (just make sure that the graphics
aperture in the BIOS is set to <= 128MB) or use vesafb for now.
Here's the link to that patch:
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=6bd49341f2806168c877e12cefca77b93437bac2;hp=89204c40a03346cd951e698d854105db4cfedc28
Indeed, reverting this patch I get fb, but I still get those "cursor was
killed" messages permanently, and, indeed, there is no cursos, and
starting X over fb produces:
(EE) FBDEV(0): FBIOPUT_VSCREENINFO: Invalid argument
(EE) FBDEV(0): mode initialization failed
Actually, I did manage to get it working with vesafb in 0x111 mode and X
over it. So far so good. Now to my actual task - touchscreen... We are
using UR7HCTS2-FG from Semtech. As I cat /dev/input/ts0 and touch the
screen, some bytes come out, but that's about all I can say. I guess, it
should be used with summa protocol, right? X doesn't want to accept summa
device as a core pointer, gpm -t summa produces only errors:
Error in read()ing first: No such file or directory
from strace looke like it cannot write to it:
6977 open("/dev/input/ts0", O_RDWR|O_NONBLOCK) = 0
6977 fcntl64(0, F_GETFL) = 0x802 (flags O_RDWR|O_NONBLOCK)
6977 fcntl64(0, F_SETFL, O_RDWR) = 0
6977 ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbf9bb56c) = -1 EINVAL (Invalid argument)
6977 ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbf9bb53c) = -1 EINVAL (Invalid argument)
6977 ioctl(0, SNDCTL_TMR_CONTINUE or TCSETSF, {B9600 -opost -isig -icanon -echo ...}) = -1 EINVAL (Invalid argument)
6977 write(0, "*q", 2) = -1 EINVAL (Invalid argument)
6977 nanosleep({0, 100000000}, NULL) = 0
6977 ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbf9bb53c) = -1 EINVAL (Invalid argument)
6977 ioctl(0, SNDCTL_TMR_CONTINUE or TCSETSF, {B9600 -opost -isig -icanon -echo ...}) = -1 EINVAL (Invalid argument)
6977 write(0, NULL, 1) = -1 EINVAL (Invalid argument)
6977 nanosleep({0, 400000000}, NULL) = 0
6977 write(0, "B", 1) = -1 EINVAL (Invalid argument)
6977 write(0, "z?", 2) = -1 EINVAL (Invalid argument)
6977 select(1024, [0], NULL, NULL, {0, 200000}) = 0 (Timeout)
6977 write(0, NULL, 1) = -1 EINVAL (Invalid argument)
6977 nanosleep({0, 400000000}, NULL) = 0
...
and reading from it doesn't get any bytes:
6977 select(2, [0 1], NULL, NULL, {86400, 0}) = 1 (in [0], left {86400, 0})
6977 open("/dev/tty0", O_RDONLY) = 2
6977 ioctl(2, KDGETMODE, 0xbf9bb7d4) = 0
6977 close(2) = 0
6977 read(0, "", 1) = 0
It's a completely different topic now, jost in case - any ideas anybody?
Thanks
Guennadi
---------------------------------
Guennadi Liakhovetski, Ph.D.
DSA Daten- und Systemtechnik GmbH
Pascalstr. 28
D-52076 Aachen
Germany
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