On Sunday 16 March 2003 10:09, Ronald Bultje wrote:
> Crap, there's a check missing. I've just posted 0.9.3 which fixes this.
>
Many thanks, motion 3.0.5 (the latest stable release) is now working.
> (btw, isn't VIDIOCGCHAN(-1) invalid?)
>
It seemed likely to me. I also posted the problem to motion's mailing list
so they know about it).
Michael
------------------------------------------------------------------------------------------------------
Now the bad news - motion 3.1.6 (unstable) is still misbehaving. Things works
fine mostly however it does occasionaly die leaving a zombie thread/process.
Hard to pin down a pattern but the Buz output always has a munmap(V4L) call
immediately prior and the very first time I run motion after a reboot it
seems to behave better than if it's been run previously though I can't sweear
this is 100% always the case.
Again I am more inclined to look to the way the driver is being called rather
than the driver itself, and this is an admittedly an unstable development
version of motion, but I thought I'd let you know just in case it is partly a
driver thing.
Here's a typical debug output from the driver:-
.
.
.
Buz[0]: VIDIOCSYNC - frame=1
Buz[0]: VIDIOCMCAPTURE - frame=1, geom=240x180, fmt=7
Buz[0]: VIDIOCSYNC - frame=0
Buz[0]: VIDIOCMCAPTURE - frame=0, geom=240x180, fmt=7
Buz[0]: VIDIOCSYNC - frame=1
Buz[0]: VIDIOCMCAPTURE - frame=1, geom=240x180, fmt=7
Buz[0]: VIDIOCSYNC - frame=0
Buz[0]: munmap(V4L)
Buz[0]: zoran_close(motion, pid=[647])
Buz[0]: jpeg_codec_sleep() - wake GPIO=0x8b008888
Buz[0]: jpeg_codec_sleep() - sleep GPIO=0x89008888
Buz[0]: enable_jpg(IDLE)
Buz[0]: interrupts received: GIRQ0:397 queue_state=0/0/0/0
Buz[0]: zoran_open(motion, pid=[663]), users(-)=0
Buz[0]: buz_init()
Buz[0]: jpeg_codec_sleep() - sleep GPIO=0x81008888
Buz[0]: jpeg_codec_sleep() - wake GPIO=0x83008888
Buz[0]: jpeg_codec_sleep() - wake GPIO=0x8b008888
Buz[0]: jpeg_codec_sleep() - sleep GPIO=0x89008888
Buz[0]: enable_jpg(IDLE)
Buz[0]: VIDIOCGCAP
Buz[0]: VIDIOCGCHAN - channel=-1
Buz[0]: VIDIOCGCHAN on not existing channel -1
Buz[0]: VIDIOCGMBUF
Buz[0]: mmap(V4L) of 0x401c5000-0x40205000 (size=262144)
Buz[0]: VIDIOCMCAPTURE - frame=0, geom=240x180, fmt=15
Buz[0]: v4l_grab() - wrong bytes-per-pixel format
Buz[0]: VIDIOCMCAPTURE - frame=0, geom=240x180, fmt=7
Buz[0]: set_vfe() - width = 240, height = 180
Buz[0]: VIDIOCMCAPTURE - frame=1, geom=240x180, fmt=7
Buz[0]: VIDIOCSYNC - frame=0
Buz[0]: VIDIOCMCAPTURE - frame=0, geom=240x180, fmt=7
Buz[0]: VIDIOCSYNC - frame=1
.
.
.
Buz[0]: VIDIOCMCAPTURE - frame=1, geom=240x180, fmt=7
Buz[0]: VIDIOCSYNC - frame=0
Buz[0]: VIDIOCMCAPTURE - frame=0, geom=240x180, fmt=7
Buz[0]: VIDIOCSYNC - frame=1
Buz[0]: VIDIOCMCAPTURE - frame=1, geom=240x180, fmt=7
Buz[0]: VIDIOCSYNC - frame=0
Buz[0]: VIDIOCMCAPTURE - frame=0, geom=240x180, fmt=7
Buz[0]: VIDIOCSYNC - frame=1
Buz[0]: VIDIOCMCAPTURE - frame=1, geom=240x180, fmt=7
Buz[0]: VIDIOCSYNC - frame=0
Buz[0]: munmap(V4L)
Unable to handle kernel NULL pointer dereference at virtual address 0000000c
printing eip:
c0129358
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0129358>] Not tainted
EFLAGS: 00010006
eax: 00403d00 ebx: d75c0000 ecx: 00000000 edx: c100001c
esi: 00000000 edi: 00000286 ebp: 0000000e esp: d7559f2c
ds: 0018 es: 0018 ss: 0018
Process motion (pid: 662, stackpage=d7559000)
Stack: 00000000 daaf4000 00000000 0000000e e08e0cfa d75c0000 daaf4000 e08e9fd4
e08e9e40 deba2e80 00000001 daaf4040 e08e3e0f dbc37320 da89a9e0 dd613a00
401c5000 00040000 dbc37320 c01235e7 da89a9e0 dd613a00 00000000 d7558000
Call Trace: [<e08e0cfa>] [<e08e9fd4>] [<e08e9e40>] [<e08e3e0f>]
[<c01235e7>]
[<c0113d2e>] [<c0117c6d>] [<c0117e3e>] [<c0106bd3>]
Code: 2b 59 0c 89 d8 31 d2 f7 76 18 89 c3 8b 41 14 89 44 99 18 89
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