hi John, On 5/5/18 8:48 AM, John Crispin wrote: > > > On 22/03/18 16:22, Sergiy Kibrik wrote: >> A lot of devices aren't represented via major/minor numbers >> and thus don't have dev entry in their sysfs directory, like >> network devices, USB, power supplies etc. >> It looks to be the rigth thing to trigger them as well. >> >> Anyway, it's up to the hotplug daemon to decide what to do with devices, >> it needs full vision of what's present in the system. >> >> Signed-off-by: Sergiy Kibrik <sa...@darkstar.site> > > Hi, > sorry for the late reply. i just ran this patch on a router and it slows > boot down by ~1sec due to having to process a huge pile of extra events. > > --- before --- > [ 5.124584] random: procd: uninitialized urandom read (4 bytes read) > Press the [f] key and hit [enter] to enter failsafe mode > Press the [1], [2], [3] or [4] key and hit [enter] to select the debug > level > [ 7.489347] procd: - early - > > --- after --- > [ 5.128390] random: procd: uninitialized urandom read (4 bytes read) > Press the [f] key and hit [enter] to enter failsafe mode > Press the [1], [2], [3] or [4] key and hit [enter] to select the debug > level > [ 8.345346] procd: - early - > > are you trying to grab events for a specific device type ? maybe we can > narrow this down a bit more and not process all events during coldplug. >
I'm detecting a hotplug (or disconnect) of USB OTG power supply. Device classes which aren't represented by dev entry seem to be left w/o a sensible way to handle events from them... -- regards, Sergiy
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