On Fri, Mar 5, 2021 at 8:54 PM Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: > > On Fri, Mar 5, 2021 at 8:47 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > > > On Fri, Mar 05, 2021 at 08:41:40PM +0100, Sedat Dilek wrote: > > > On Fri, Mar 5, 2021 at 8:30 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > > > > > Okay, that indicates the ATA commands are being sent not by the kernel > > > > but by some program. I'm not sure how you can easily find out which > > > > program; probably the best thing to do is turn them off one by one until > > > > you find the one responsible. > > > > > > > > > > I can hardly imagine which user-space tools other than powertop can > > > interfere here. > > > Any ideas? > > > > No. Especially since I have no idea what programs are running on your > > computer. > > > > Are we talking about things like gvfs - udisks - fuse etc.? > All running via systemd here. > > Here I am using KDE/Plasma as DE. > Unsure if this runs apps in the background. > > AFAICS I have not seen xhci-resets with Debian-Kernel 5.10.19-1. > No, with Debian-Kernel 5.10.19-1 there are no xhci-resets: root# cat /proc/version Linux version 5.10.0-4-amd64 (debian-kernel@xxxxxxxxxxxxxxxx) (gcc-10 (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Debian 5.10.19-1 (2021-03-02) root# LC_ALL=C dmesg -T | grep xhci | grep reset [ empty ] But I see there is already a quirk enabled and matches my ASmedia USB 3.0 controller (as I have *no* usb-storage-quirks enabled): root# LC_ALL=C dmesg -T | grep -i quirks | egrep '174c|55aa' [Sat Mar 6 06:52:41 2021] usb-storage 4-1:1.0: Quirks match for vid 174c pid 55aa: 400000 For the sake of completeness my latest /etc/modules-load.d/usb-storage.conf: # Add quirks for USB Mass Storage devices # # Link: https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html # # usb-storage quirks kernel-parameters and options explained: # [1] Usage: usb-storage.quirks=<VID:PID:Flags> # [2] VendorID (VID) and ProductID (PID): # ASMedia M1042 USB-3.0 controller: VID: 174c PID: 55aa # [3] Flags: # t = NO_ATA_1X (don't allow ATA(12) and ATA(16) commands, uas only); # u = IGNORE_UAS (don't bind to the uas driver); # [4] Example: usb-storage.quirks=174c:55aa:t # # DEBUG: echo '174c:55aa:t' > /sys/module/usb_storage/parameters/quirks # # XXX: Commented - xhci-resets NOT caused by the Linux-kernel (check user-space) #options usb-storage quirks=174c:55aa:t - EOF - Thanks Alan for all the hints and tips in the topic "usb-storage and quirks" and your patience. - Sedat -
