Created attachment 160251 [details] udevadm info /dev/sdb dump With systemd 217, systemd-udevd complains every ~10 seconds. No error shows up on 216. The systemd people claim that this is a drivers issue. (See: https://bugs.freedesktop.org/show_bug.cgi?id=86414#c5) # on udevadm KERNEL[927.627287] change /devices/pci0000:00/0000:00:1d.7/usb5/5-6/5-6:1.0/host4/target4:0:0/4:0:0:0/block/sdb (block) KERNEL[927.687712] change /devices/pci0000:00/0000:00:1d.7/usb5/5-6/5-6:1.0/host4/target4:0:0/4:0:0:0/block/sdb (block) KERNEL[927.689994] change /devices/pci0000:00/0000:00:1d.7/usb5/5-6/5-6:1.0/host4/target4:0:0/4:0:0:0/block/sdb (block) UDEV [927.691861] change /devices/pci0000:00/0000:00:1d.7/usb5/5-6/5-6:1.0/host4/target4:0:0/4:0:0:0/block/sdb (block) UDEV [927.705013] change /devices/pci0000:00/0000:00:1d.7/usb5/5-6/5-6:1.0/host4/target4:0:0/4:0:0:0/block/sdb (block) UDEV [927.718009] change /devices/pci0000:00/0000:00:1d.7/usb5/5-6/5-6:1.0/host4/target4:0:0/4:0:0:0/block/sdb (block) # Journalctl nov 17 21:16:33 rarch systemd-udevd[143]: error: /dev/sdb: No medium found nov 17 21:16:33 rarch systemd-udevd[143]: error: /dev/sdb: No medium found nov 17 21:16:33 rarch systemd-udevd[143]: error: /dev/sdb: No medium found Im running an MSI Wind U100 with Arch, kernel 3.17.2 (Also happens in 3.17.3)
On Tue, Dec 09, 2014 at 01:31:42PM +0000, bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=89481 > > Bug ID: 89481 > Summary: [ums-realtek] media change events incorrectly > implemented Pleaase send this to the linux-usb@vger.kernel.org mailing list.
I'd ignore Greg's automatic message - in this case it's probably the wrong place. rtusb_mmc is fairly new and it's probably worth letting <rogerable@realtek.com> know as the author Moving to SD/MMC - it's not specifically a USB bug in this case.