Il giorno gio, 30/05/2019 alle 06.25 -0700, Greg KH ha scritto: > [...] Hi, > Any chance you can use 'git bisect' to find the offending commit? Yes, I am doing it as I managed to build the kernel from source > > And did you accidentally turn on "sync" for the filesystem? Sorry, I don't think so but actually I don't know exactly what it is nor how to check it... > How do you > know the old kernel really flushed the buffers out in 1 minute? I used to try to unmount the usb media (e.g. "eject" using Nautilus file manager), and got a message stating the filesystem was in use and could not be mounted, so always answered to not eject it until it was unmounted without any warning... does it make sense? > But 12 > minutes is really long, did anything else change in your userspace > between the kernel changes as well? I am not sure if I understand correctly the "userspace" you mention: if you mean my home directory and contents, settings etc, then yes, maybe... but while I am doing the tests I am quite sure I didn't change anything, and double-checked many times that the 4.20 kernel is always working (I usually boot up with it when I need to do the usual day work). Thank you for any further explanation, Bye Andrea
