PATCH: i830: Fix int10 calls creating nasty log messages
David Bronaugh
dbronaugh at linuxboxen.org
Mon Feb 7 18:54:45 PST 2005
Hey all,
Hardware: Panasonic R1N laptop, i830 video.
I tracked down and have a patch for the following appearing in my logs:
(EE) I810(0): unknown reason for exception
(II) I810(0): EAX=0x00005f1c, EBX=0x00000000, ECX=0x00000000, EDX=0x00000098
(II) I810(0): ESP=0x00000fac, EBP=0x00000fdc, ESI=0xffff1415, EDI=0x00002000
(II) I810(0): CS=0xc000, SS=0x0100, DS=0x0000, ES=0x0000, FS=0x0000,
GS=0x0000
(II) I810(0): EIP=0x000040c6, EFLAGS=0x00033046
(II) stack at 0x00001fac:
00 00 00 00 42 41 02 32 98 00 00 00 00 00 15 14
07 00 00 00 26 3e 1c 5f 1e 14 07 00 66 33 00 00
00 00 ee 18 1c 5f 45 80 ff ff ff ff ff ff ff ff
40 00 00 00 00 00 00 20 00 00 00 00 00 00 98 00
00 00 00 00 00 00 00 00 00 00 1c 5f 00 00 00 06
00 00 00 32
(II) I810(0): code at 0x000c40c6:
8a 06 eb 0e 80 fd 01 75 05 67 8b 06 eb 04 67 66
8b 06 5b 1f c3 52 eb 11 52 8b 16 63 04 eb 0a 52
(EE) I810(0): cannot continue
(WW) I810(0): Extended BIOS function 0x5f1c not supported.
It seems that at least with the BIOS I have, trying to call BIOS
functions (at least SetBIOSPipe) while the overlay is active results in
a GPF, which is the exception reported above. mplayer does this. Bad
mplayer.
My patch simply doesn't allow this to happen. Is there a better way to
handle this case?
David Bronaugh
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