On Sat, Sep 09, 2017 at 10:05:55AM +0200, François wrote: > Hi greg k-h, > > Thank you for your reply. > > I have tested older kernels (4.12> and 4.9 LTS) but unfortunately the > device is still unable to scan any channels. > It also has difficulties with getting a stable connection when using a > static/preloaded frequency/channel instead. > It's a bit strange, but I believe it worked on kernels before <4.9 but > KP were more frequently, so I'm happy with the changes made. > > Yesterday I have tried the media_build of CrazyCat > (https://bitbucket.org/CrazyCat/media_build.git) on top of Linux 4.12 > and this works fine. > I'm not aware of the cause, but running a diff on > drivers/media/usb/dvb-usb/cxusb.c > (https://github.com/crazycat69/linux_media/blob/latest/drivers/media/usb/dvb-usb/cxusb.c) > it seems the following lines may be missing: > memset(&si2168_config, 0, sizeof(si2168_config)); > memset(&si2157_config, 0, sizeof(si2157_config)); > > If more debug info is useful and may help finding the cause, I'm happy > to provide. Try asking this on the linux-media mailing list, they are the ones in charge of those drivers. good luck! greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
