Hi,
On Mon, May 28, 2001 at 10:07:22PM +0200, stef wrote:
> On Mon, May 28, 2001 at 09:07:04PM +0200, Henning Meier-Geinitz wrote:
> > Hi,
> >
> > > (2) Running scanimage results in bus error. gdb reveals: umax_pp_low.c line 80,
> > > Inb (port: 890).
> >
> > Fixed. Or more exactly: Disabled umax_pp for FreeBSD. It looks like
> > FreeBSD dumps core because inb is used without prior ioperm. However,
> > HAVE_IOPERM is not defined, so the ioperm part wasn't compiled in. I
> > have added a && defined HAVE_IOPERM before using the inb etc.
> > assembler statements. If anyone knows enough about programming ioports
> > under FreeBSD please have a look at this and fix it correctly.
> >
> I'm pretty puzzled with that, 'Inb (port: 890)' means access to
> CONTROL port. If the failure was due to lack of permission to do
> direct I/O, the umax_pp should have failed with the very first access
> to parport which is Inb (0x378).
Yes, I saw this, too, and don't know why.
> Inb(0x37A) is only the third I/O. So I find it strange. A larger part
> of the gdb backtrace would be helpful.
Starting program: /usr/local/bin/scanimage -L
Program received signal SIGBUS, Bus error.
Inb (port=890) at umax_pp_low.c:81
81 return value;
(gdb) bt
#0 Inb (port=890) at umax_pp_low.c:81
#1 0x80eef1a in sanei_umax_pp_ProbeScanner (recover=0) at umax_pp_low.c:3957
#2 0x80f9da2 in sanei_umax_pp_attach (port=888) at umax_pp_mid.c:160
#3 0x80da83d in attach (devname=0xbfbff479 "0x378") at umax_pp.c:186
#4 0x80dbb95 in sane_umax_pp_init (version_code=0xbfbff6b0,
authorize=0x804a168 <auth_callback>) at umax_pp.c:849
#5 0x804ec50 in init (be=0x8150f9c) at dll.c:400
#6 0x804f142 in sane_dll_get_devices (device_list=0xbfbff78c, local_only=0)
at dll.c:661
#7 0x804ddd4 in sane_get_devices (dl=0xbfbff78c, local=0) at dll-s.c:15
#8 0x804c60d in main (argc=2, argv=0xbfbffbe8) at scanimage.c:1418
#9 0x804a101 in _start ()
Bye,
Henning
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