Hans, That did it - can you explain the difference between the two functions? The function prototype is not easily found on google. I would like to know the cause.
How do we go about filing a bug report? Michael Quoting Hans Verkuil <[EMAIL PROTECTED]>: > OK, I thought so. > > Now for the interesting part: > > In ivtv-firmware.c, in the load_fw_direct inside CONFIG_FW_LOADER, > replace the two memcpy statements by memcpy_toio and let me know if it > now works. If my guess is correct it will work now. You can put back > the audio firmware, by the way. > > Hans > > > On Monday 02 January 2006 21:44, [EMAIL PROTECTED] wrote: > > Hans, > > > > I'm afraid that renaming the audio firmware doesn't make any > > difference. Is there someway of ensuring that it is being loaded? The > > debug messages in dmesg do not explicitly state that the audio > > firmware is loaded in either 0.4.0/0.4.1/0.4.2. > > > > Cheers, > > > > Michael > > > > Quoting Hans Verkuil <[EMAIL PROTECTED]>: > > > On Monday 02 January 2006 20:17, [EMAIL PROTECTED] wrote: > > > > Hans, > > > > > > > > I wasn't able to apply the patch ( I'm a newbie w/ linux ) so I > > > > just modified the source with the information contained in your > > > > file. > > > > > > > > no hotplug gives: > > > > > > > > [ 1348.171567] ivtv0: loaded /lib/modules/v4l-cx2341x-enc.fw > > > > firmware (262144 bytes) [ 1348.423225] ivtv0: firmware sum = > > > > 0084a9cb > > > > > > > > > > > > hotplug gives: > > > > > > > > [ 1865.847204] ivtv0: loaded v4l-cx2341x-enc.fw firmware (262144 > > > > bytes, sum = 0084a9cb) > > > > [ 1866.098870] ivtv0: firmware sum = 00206879 > > > > > > > > This is very interesting, it loads the firmware in load_fw_direct > > > > and then has the incorrect firmware in ivtv_enc_firmware_copy. > > > > The memcpy was successful, it did not return NULL(I checked). > > > > > > > > Could something else be overwriting this variable? Another thread > > > > perhaps? > > > > > > > > I'm willing to continue debugging but need a little help. > > > > > > Can you move the v4l-cx25840.fw to another name? The only thing I > > > can think of right now is that the load of that firmware disturbs > > > the load of this firmware. So by moving v4l-cx25840.fw out of the > > > way the cx25840 no longer can interfere. If that makes no > > > difference, then try to rmmod ivtv followed by modprobe ivtv (since > > > cx25840 was already loaded that too excludes any interference of > > > cx25840). > > > > > > Hans > > > > > > > Thanks, > > > > > > > > Michael > > > > > > > > Quoting Hans Verkuil <[EMAIL PROTECTED]>: > > > > > Michael, > > > > > > > > > > I've attached a patch for ivtv-firmware.c. I'm curious what the > > > > > results will be. To be continued tomorrow... > > > > > > > > > > Hans > > > > > > > > > > On Monday 02 January 2006 01:15, [EMAIL PROTECTED] wrote: > > > > > > Hans, > > > > > > > > > > > > Your guess was bang on - reverting to the "old way" of > > > > > > loading the firmware results in success. Something in the > > > > > > hotplug is causing grief. > > > > > > > > > > > > If you can give me a hand with the C, I can attempt the > > > > > > summations that you have requested. It would be nice to get > > > > > > to the bottom of this one.. I'm probably not the only one > > > > > > that has run into this problem. > > > > > > > > > > > > Cheers, > > > > > > > > > > > > Michael > > > > > > > > > > > > Quoting Hans Verkuil <[EMAIL PROTECTED]>: > > > > > > > On Monday 02 January 2006 00:27, [EMAIL PROTECTED] wrote: > > > > > > > > Hans, > > > > > > > > > > > > > > > > I've performed the operations as requested, and achieve > > > > > > > > the same result - I assume this removes zero padding on > > > > > > > > the firmware file? > > > > > > > > > > > > > > correct > > > > > > > > > > > > > > > [ 307.521854] ivtv0: loaded v4l-cx2341x-enc.fw firmware > > > > > > > > (262144 bytes) [ 307.753271] ivtv0 warning: Encoder > > > > > > > > mailbox not found [ 307.784732] ivtv0 warning: Decoder > > > > > > > > mailbox not found [ 307.784735] ivtv0: Error locating > > > > > > > > firmware. [ 307.791075] ivtv0: Error -12 on > > > > > > > > initialization [ 307.791084] ivtv: probe of 0000:02:06.0 > > > > > > > > failed with error -12 [ 307.791090] ivtv: > > > > > > > > ==================== END INIT IVTV ==================== > > > > > > > > > > > > > > > > To be certain that the firmware was correct, I reloaded > > > > > > > > 0.4.0 using the shortened firmware file and was able to > > > > > > > > watch tv once again. > > > > > > > > > > > > > > > > I believe we have ruled out the firmware.. could there be > > > > > > > > something in ivtv 0.4.1/2 that is causing the grief? Is > > > > > > > > there some means of enabling more verbose debug messages? > > > > > > > > I don't mind recompiling... > > > > > > > > > > > > > > Well, ivtv-0.4.1 switched to the hotplug mechanism. My > > > > > > > guess the problem is with that. > > > > > > > > > > > > > > Edit ivtv-firmware.c, look for CONFIG_FW_LOADER and replace > > > > > > > that #if with #if 0. Do the same in ivtv-driver.h and > > > > > > > cx25840.h. > > > > > > > > > > > > > > Recompile, install and test. If it now works again, then it > > > > > > > is the new hotplug stuff that breaks things. But why don't > > > > > > > I get the same problems? Weird. > > > > > > > > > > > > > > If it is hotplug related and if you are handy with C, then > > > > > > > can you perhaps do some tests? I was thinking of hacking > > > > > > > ivtv-firmware.c so that the firmware load routines so a > > > > > > > simple sum of all the bytes in the firmware and then show > > > > > > > the grand total when done. I'd be very interested to see if > > > > > > > there are any difference between the hotplug and > > > > > > > non-hotplug cases. > > > > > > > > _______________________________________________ > > > > ivtv-users mailing list > > > > [email protected] > > > > http://ivtvdriver.org/mailman/listinfo/ivtv-users > > > > > > _______________________________________________ > > > ivtv-users mailing list > > > [email protected] > > > http://ivtvdriver.org/mailman/listinfo/ivtv-users > > > > _______________________________________________ > > ivtv-users mailing list > > [email protected] > > http://ivtvdriver.org/mailman/listinfo/ivtv-users > > _______________________________________________ > ivtv-users mailing list > [email protected] > http://ivtvdriver.org/mailman/listinfo/ivtv-users > _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
