It's a good idea, there are LOTS of people using pwc, so we would be flooded
by mails 'reporting' the segfault, even if we mark it as known issue
Alberto
El Tuesday, 22 de November de 2005 22:20, Youness Alaoui escribió:
> btw Phil, I heard there is a way to know which settings are accessible...
> someone said that, but I'm not sure if he's right...
> anyways, I would suggest for 0.95 release to do a stupid thing like :
> (where the [package require capture] is)
> if [IsLinux] {
> catch { eval exec /sbin/lsmod | grep pwc} pwc_driver
> if {$pwc_driver != "" } {
> set ::webcam_settings_bug 1
> } else {
> set ::webcam_settings_bug 0
> }
> }
>
>
> why not ? at least it's a temporary workaround...
>
>
> KaKaRoTo
>
> On Tue, 22 Nov 2005 17:12:43 -0500, Youness Alaoui
>
> <[EMAIL PROTECTED]> wrote:
> > I think I'm gonna commit suicide veeeery soon...
> > https://sourceforge.net/forum/forum.php?thread_id=1308496&forum_id=180132
> >
> > read it ALL
> >
> > KKRT
> >
> > On Tue, 22 Nov 2005 15:09:30 -0500, Le Philousophe - Phil
> >
> > <[EMAIL PROTECTED]> wrote:
> >> Hi,
> >> How many times we will have to say that !!
> >> PWC driver is ugly and buggy !!! You can't set contrast and brightness
> >> with
> >> it !!
> >> It always segfault !! There is a trick to avoid that but I can't
> >> remember
> >> which setting to set... Did you read all wiki about that ?
> >> Phil
> >>
> >> Le Mardi 22 Novembre 2005 20:53, Harry Vennik a écrit :
> >>> Hi,
> >>>
> >>> Sorry for bullying you all with this, but I got a nasty crash with
> >>> webcam.
> >>> I recompiled everything, but that didn't change a thing.
> >>>
> >>> It happens as soon as aMSN starts using my webcam,
> >>> and it happens every time I try!
> >>>
> >>> I am sure it is accessing the correct device, since the LED on my
> >>> webcam
> >>> goes on. Then it crashes Immediately.
> >>>
> >>> The error may not come from aMSN, but can someone have a look at it to
> >>> make
> >>> sure (as much as possible) that it isn't our fault?
> >>>
> >>> The driver I use is a new pwc driver that doesn't need pwcx.
> >>> It works nice with other apps.
> >>>
> >>> Output with gdb below.
> >>>
> >>> Harry
> >>>
> >>> -------------------------------------------------------
> >>>
> >>> (gdb) run
> >>> Starting program: /usr/bin/wish ./amsn
> >>> Reading symbols from shared object read from target memory...(no
> >>> debugging
> >>> symbols found)...done.
> >>> Loaded system supplied DSO at 0xffffe000
> >>> (no debugging symbols found)
> >>> (no debugging symbols found)
> >>> (no debugging symbols found)
> >>> (no debugging symbols found)
> >>> (no debugging symbols found)
> >>> (no debugging symbols found)
> >>> dlsym[./utils/linux/capture/libng/plugins/drv0-v4l2.so]:
> >>> ./utils/linux/capture/libng/plugins/drv0-v4l2.so: undefined symbol:
> >>> _ng_plugin_init
> >>> dlsym[./utils/linux/capture/libng/plugins/drv1-v4l.so]:
> >>> ./utils/linux/capture/libng/plugins/drv1-v4l.so: undefined symbol:
> >>> _ng_plugin_init
> >>> WARNING: no plugins found [/home/harry/linux/msn]
> >>> vid-open: trying: v4l2...
> >>> v4l2: open
> >>> v4l2: init
> >>> v4l2: device info:
> >>> pwc 10.0.9 / Logitech QuickCam Pro 4000 @ usb-0000:00:10.2-1
> >>> v4l2: close
> >>> vid-open: ok: v4l2
> >>> vid-open: flags: 2
> >>> v4l2: open
> >>> ng_dev_open: opened Logitech QuickCam Pro 4000 [refcount 1]
> >>> Trying converter from 16 bit YUV 4:2:2 (packed, YUYV) to 24 bit
> >>> TrueColor
> >>> (BE: rgb)
> >>> Trying converter from 16 bit YUV 4:2:2 (planar) to 24 bit TrueColor
> >>> (BE:
> >>> rgb) Trying converter from 12 bit YUV 4:2:0 (planar) to 24 bit
> >>> TrueColor
> >>> (BE: rgb) v4l2: new capture params (320x240, YU12, 115200 byte)
> >>> convert-in : 320x240 12 bit YUV 4:2:0 (planar)
> >>> convert-out: 320x240 24 bit TrueColor (BE: rgb)
> >>>
> >>> Program received signal SIGSEGV, Segmentation fault.
> >>> 0xb76643e0 in Capture_AccessSettings ()
> >>> from /home/harry/linux/msn/utils/linux/capture/capture.so
> >>> (gdb) bt
> >>> #0 0xb76643e0 in Capture_AccessSettings ()
> >>> from /home/harry/linux/msn/utils/linux/capture/capture.so
> >>> #1 0xb7d8a5e6 in TclEvalObjvInternal () from /usr/lib/libtcl8.4.so
> >>> #2 0x00000002 in ?? ()
> >>> #3 0x0804b384 in ?? ()
> >>> #4 0xb7baaa02 in free () from /lib/tls/libc.so.6
> >>> Previous frame inner to this frame (corrupt stack?)
> >>>
> >>>
> >>>
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