On Sat, 9 Sep 2017 12:55:51 -0700, Dmitry Torokhov wrote: > On Sat, Sep 9, 2017 at 12:27 PM, Jakub Kicinski <[email protected]> wrote: > > On Sat, 9 Sep 2017 19:41:21 +0200, Jakub Kicinski wrote: > >> Hi! > >> > >> I'm having trouble with modules on linux/master. rmmod succeeds but the > >> module is still loaded and the refcount goes to 1: > >> > >> #rmmod nfp; insmod ./src/nfp.ko nfp_pf_netdev=0 ; \ > >> /opt/netronome/bin/nfp-hwinfo -n 2 assembly.partno \ > >> lsmod | grep nfp; \ > >> rmmod nfp; \ > >> lsmod | grep nfp > >> nfp 249856 0 > >> nfp 200704 1 > >> > >> If I rmmod again the module will be actually unloaded. The user space > >> is mostly Ubuntu 14.04. Has anyone seen this? I'm trying to bisect > >> now... > > > > Got 'em! > > > > commit 1455cf8dbfd06aa7651dcfccbadb7a093944ca65 (HEAD, refs/bisect/bad) > > Author: Dmitry Torokhov <[email protected]> > > Date: Wed Jul 19 17:24:30 2017 -0700 > > > > driver core: emit uevents when device is bound to a driver > > Does it happen with all modules or only nfp one? > > It seems to work here: > > dtor@dtor-glaptop3:~ $ lsmod | grep psmouse > psmouse 135168 0 > dtor@dtor-glaptop3:~ $ sudo rmmod psmouse > dtor@dtor-glaptop3:~ $ lsmod | grep psmouse > dtor@dtor-glaptop3:~ $ sudo modprobe psmouse
Yes, and only if FW is loaded/requested successfully. Hmm... I'm building a kernel with more debug, any particular suggestions?
