On 02/07/19 13:51:17, Johannes Thumshirn wrote: > On Tue, Jul 02, 2019 at 12:46:45PM +0200, Andrea Vai wrote: > > Hi, > > I have a problem writing data to a USB pendrive, and it seems > > kernel-related. With the help of Greg an Alan (thanks) and some > > bisect, I found out the offending commit being > > > > commit f664a3cc17b7d0a2bc3b3ab96181e1029b0ec0e6 > > > > [...] > > Hi, > > Can you please check what IO scheduler you have set for your USB pendrive? > > i.e. with: > cat /sys/block/$DISK/queue/scheduler > # cat /sys/block/sdf/queue/scheduler [mq-deadline] none Many thanks, Andrea