Would you mind confirming if this behavior also happens with Ubuntu 18.04? I believe you should be able to check from a live image.
Ubuntu 18.04 has the latest fwupd version so we can tell if this is still an issue there. On Tue, Mar 6, 2018, 14:11 Chow Loong Jin <hyper...@ubuntu.com> wrote: > Public bug reported: > > fwupd doesn't release hidraw devices for unplugged peripherals, causing > the kernel to keep allocating new hidraw devices until it hits > HIDRAW_MAX_DEVICES. > > Steps to reproduce: > 1. Ensure that fwupd.service is running > 2. Plug in a Logitech Unifying Receiver (or any other thing that creates a > hidraw device that fwupd recognizes) > 3. Unplug it. > 4. Repeat 2 and 3, and note that the allocated hidraw device number keeps > increasing. > 5. HIDRAW_MAX_DEVICES=64, so after /dev/hidraw64 is hit, no new hidraw > devices can be allocated until fwupd is restarted > 6. Check the list of hidraw devices being held by fwupd: > > % sudo lsof -p $(pidof fwupd) -n | grep hidraw > fwupd 15027 root 16u CHR 246,6 0t0 83682527 > /dev/hidraw6 (deleted) > fwupd 15027 root 30u CHR 246,7 0t0 83769950 > /dev/hidraw7 (deleted) > fwupd 15027 root 31u CHR 246,11 0t0 83771266 > /dev/hidraw11 (deleted) > fwupd 15027 root 33u CHR 246,8 0t0 83778056 > /dev/hidraw8 (deleted) > fwupd 15027 root 34u CHR 246,13 0t0 83779740 > /dev/hidraw13 (deleted) > fwupd 15027 root 39u CHR 246,9 0t0 83912152 > /dev/hidraw9 (deleted) > fwupd 15027 root 41u CHR 246,10 0t0 83916478 > /dev/hidraw10 (deleted) > fwupd 15027 root 43u CHR 246,12 0t0 83918049 > /dev/hidraw12 (deleted) > fwupd 15027 root 45u CHR 246,14 0t0 83923588 > /dev/hidraw14 (deleted) > fwupd 15027 root 47u CHR 246,15 0t0 83927517 > /dev/hidraw15 (deleted) > fwupd 15027 root 48u CHR 246,19 0t0 83928356 > /dev/hidraw19 (deleted) > fwupd 15027 root 50u CHR 246,16 0t0 83935331 > /dev/hidraw16 (deleted) > fwupd 15027 root 57u CHR 246,17 0t0 83953052 > /dev/hidraw17 (deleted) > fwupd 15027 root 59u CHR 246,18 0t0 83953650 > /dev/hidraw18 (deleted) > fwupd 15027 root 61u CHR 246,24 0t0 83955207 > /dev/hidraw24 > > 7. Restart fwupd.service. > 8. Note that the newly created /dev/hidraw device is now back to a small > number. > > ProblemType: Bug > DistroRelease: Ubuntu 17.10 > Package: fwupd 0.9.7-2ubuntu1 > Uname: Linux 4.14.12-hyper1+ x86_64 > ApportVersion: 2.20.7-0ubuntu3.7 > Architecture: amd64 > CurrentDesktop: GNOME > Date: Tue Mar 6 13:42:00 2018 > SourcePackage: fwupd > UpgradeStatus: Upgraded to artful on 2017-11-04 (121 days ago) > > ** Affects: fwupd (Ubuntu) > Importance: Undecided > Status: New > > > ** Tags: amd64 apport-bug artful > > -- > You received this bug notification because you are subscribed to fwupd > in Ubuntu. > Matching subscriptions: fwupd bugs > https://bugs.launchpad.net/bugs/1753655 > > Title: > fwupd doesn't release hidraw devices > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/fwupd/+bug/1753655/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753655 Title: fwupd doesn't release hidraw devices To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fwupd/+bug/1753655/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
