Jose Alonso <joalonsof@xxxxxxxxx> writes: > 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 > -- > This solution works for all IDs and prevents also the ModemManager > to probe of the device (there is no device ttyACM*). Yes, and that's the problem, isn't it? Some of those other devices might actually need/want cdc-acm and ModemManager while heimdall is working. It is much better to make the blacklist device specific if we can. And the only way you can do that is by patching the driver. (Currently at least - I did start thinking about ways we could make this sort of blacklisting implicit and automatic. But concluded that it would be cause more problems than it would solve. There are very few devices with this problem) Bjørn -- 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
