On Sun, 2016-01-17 at 10:24 -0200, Jose Alonso wrote: > On Thu, 2016-01-14 at 14:02 +0100, Oliver Neukum wrote: > > > > > In order to run Heimdall, I think that a better solution would be > > > to > > > temporarily "blacklist" the module "cdc_acm". > > > > No. That is no solution. A user may really need cdc-acm. > > Your work around may cut somebody's connect to the web. > > By temporarily blacklist cdc_acm I mean, "disable cdc_acm during > firmware update". > > As root user:echo "blacklist cdc_acm" >/etc/modprobe.d/cdc_acm-blacklist.conf > rmmod cdc_acm # ignore ERROR: is not currently loaded > ## if module is in use try to disconnect the devices associated. > > plug the usb cable and run Heimdall (normal user) > > at end remove the file /etc/modprobe.d/cdc_acm-blacklist.conf No, that is an unacceptable work around 1) cdc-acm may already be loaded (or, worse, statically compiled in) 2) the module may be needed for other devices 3) we risk getting into a system state which blocks modems, should we lose power This has to be fixed at the level that makes it always work and given the information available so far, that is in the kernel. I am missing confirmation that this ID is specific to the firmware upload stage of the devices before I use a simple quirk. Regards Oliver -- 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
