zgoda_j Posted September 19, 2016 Share Posted September 19, 2016 Tried on both 5.17 and 5.20, Debian and Ubuntu with legacy kernel. Debian has systemd 215, Ubuntu has 225 iirc. If I plug an iphone usbmuxd is started by systemd-udevd as directed by udev rule (stock one) and gets shut down when I unplug it, again how it's supposed to be. The problem is, it does not start if I plug any Apple device again. Restarting systemd-udevd service does not help at all, and when I reboot the board usbmuxd gets started when I plug iphone but again only once. 1st plug in/plug off in syslog: Sep 19 09:26:57 localhost kernel: [ 90.005422] ehci_irq: port change detect Sep 19 09:26:57 localhost kernel: [ 90.279798] usb 2-1: new high-speed USB device number 2 using sw-ehci Sep 19 09:26:57 localhost systemd[1]: Started Socket daemon for the usbmux protocol used by Apple devices. Sep 19 09:26:57 localhost usbmuxd[1070]: [09:26:57.922][3] usbmuxd v1.1.0 starting up Sep 19 09:26:57 localhost usbmuxd[1070]: [09:26:57.928][3] Successfully dropped privileges to 'usbmux' Sep 19 09:26:57 localhost usbmuxd[1070]: [09:26:57.945][3] Could not get old configuration descriptor for device 2-2: -5 Sep 19 09:26:57 localhost usbmuxd[1070]: [09:26:57.949][3] Connecting to new device on location 0x20002 as ID 1 Sep 19 09:26:57 localhost usbmuxd[1070]: [09:26:57.950][3] Initialization complete Sep 19 09:26:57 localhost usbmuxd[1070]: [09:26:57.950][3] Enabled exit on SIGUSR1 if no devices are attached. Start a new instance with "--exit" to trigger. Sep 19 09:26:57 localhost usbmuxd[1070]: [09:26:57.950][3] Connected to v2.0 device 1 on location 0x20002 with serial number 4d97a270aba9ba766a13989d9a90caa806d31b6b Sep 19 09:26:58 localhost kernel: [ 90.768031] ipheth 2-1:4.2: Apple iPhone USB Ethernet device attached Sep 19 09:26:58 localhost kernel: [ 90.775448] usbcore: registered new interface driver ipheth Sep 19 09:28:27 localhost kernel: [ 180.016143] ehci_irq: port change detect Sep 19 09:28:27 localhost kernel: [ 180.020243] usb 2-1: USB disconnect, device number 2 Sep 19 09:28:27 localhost usbmuxd[1070]: [09:28:27.212][3] Removed device 1 on location 0x20002 Sep 19 09:28:27 localhost kernel: [ 180.077995] ipheth 2-1:4.2: Apple iPhone USB Ethernet now disconnected Sep 19 09:28:27 localhost usbmuxd[1070]: [09:28:27.275][3] usbmuxd shutting down Sep 19 09:28:27 localhost usbmuxd[1070]: [09:28:27.376][3] Shutdown complete Then the same device plugged in: Sep 19 09:29:31 localhost kernel: [ 244.610407] ehci_irq: port change detect Sep 19 09:29:32 localhost kernel: [ 244.878100] usb 2-1: new high-speed USB device number 3 using sw-ehci And that's all. This works on amd64 Ubuntu 16.04 as expected. EDIT: usbmuxd is properly started by systemd-udevd on Jessie vanilla, so this seems related to kernel. EDIT2: board is Banana Pro. Link to comment Share on other sites More sharing options...
zgoda_j Posted October 3, 2016 Author Share Posted October 3, 2016 Any hints where should I look for clues? Link to comment Share on other sites More sharing options...
zgoda_j Posted October 3, 2016 Author Share Posted October 3, 2016 Works fine on Bananian with 3.4.112 kernel so it might be related to Armbian build. Or is related to systemd-udevd because Bananian does not use systemd, usbmuxd is started from plain udevd. # uname -a Linux bananapi 3.4.112-bananian #6 SMP PREEMPT Fri May 13 18:21:01 UTC 2016 armv7l GNU/Linux Link to comment Share on other sites More sharing options...
zgoda_j Posted October 3, 2016 Author Share Posted October 3, 2016 Here's the diff. I have no idea which options play any role in the problem. http://pastebin.com/rPYs5ugn Link to comment Share on other sites More sharing options...
zgoda_j Posted October 7, 2016 Author Share Posted October 7, 2016 This is not related to hardware, result is exactly the same on 5.20 on H3 device with legacy kernel. Link to comment Share on other sites More sharing options...
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