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Hi,
I have a dell XPS 13 (L321x) ultrabook, first model. I've have trouble with my usb3 port. I have a gigabit usb3 device connected. When i use it a lot (download /uploading big files) it the usb3 fails. Disconnecting for a few seconds mostly solves the problem until the next fail.
I use this kernel (it also happens with the default kernel)
4.4.5-1-xps13
The devicename of the interface is 'enp3*'
Here is a part of journalctl
Apr 11 15:36:14 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:21 xps root[26121]: ACPI group/action undefined: processor / LNXCPU:00
Apr 11 15:36:22 xps kernel: net_ratelimit: 1084366 callbacks suppressed
Apr 11 15:36:22 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:22 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:22 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:22 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:22 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:22 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:22 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:22 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:22 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:22 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:31 xps kernel: net_ratelimit: 359973 callbacks suppressed
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:36:40 xps org.gnome.Terminal[1084]: (gnome-terminal-server:2216): Vte-WARNING **: (vtegtk.cc:1718):int vte_terminal_match_add_gregex(VteTerminal*, GRegex*, GRegexMatchFlags): runtime check failed: (g_regex_get_compile_flags(gregex) & G_REGEX_MULTILINE)
Apr 11 15:36:40 xps org.gnome.Terminal[1084]: (gnome-terminal-server:2216): Vte-WARNING **: (vtegtk.cc:1718):int vte_terminal_match_add_gregex(VteTerminal*, GRegex*, GRegexMatchFlags): runtime check failed: (g_regex_get_compile_flags(gregex) & G_REGEX_MULTILINE)
Apr 11 15:36:40 xps org.gnome.Terminal[1084]: (gnome-terminal-server:2216): Vte-WARNING **: (vtegtk.cc:1718):int vte_terminal_match_add_gregex(VteTerminal*, GRegex*, GRegexMatchFlags): runtime check failed: (g_regex_get_compile_flags(gregex) & G_REGEX_MULTILINE)
Apr 11 15:36:40 xps org.gnome.Terminal[1084]: (gnome-terminal-server:2216): Vte-WARNING **: (vtegtk.cc:1718):int vte_terminal_match_add_gregex(VteTerminal*, GRegex*, GRegexMatchFlags): runtime check failed: (g_regex_get_compile_flags(gregex) & G_REGEX_MULTILINE)
Apr 11 15:36:40 xps org.gnome.Terminal[1084]: (gnome-terminal-server:2216): Vte-WARNING **: (vtegtk.cc:1718):int vte_terminal_match_add_gregex(VteTerminal*, GRegex*, GRegexMatchFlags): runtime check failed: (g_regex_get_compile_flags(gregex) & G_REGEX_MULTILINE)
Apr 11 15:36:40 xps org.gnome.Terminal[1084]: (gnome-terminal-server:2216): Vte-WARNING **: (vtegtk.cc:1718):int vte_terminal_match_add_gregex(VteTerminal*, GRegex*, GRegexMatchFlags): runtime check failed: (g_regex_get_compile_flags(gregex) & G_REGEX_MULTILINE)
Apr 11 15:36:41 xps root[26598]: ACPI group/action undefined: processor / LNXCPU:00
Apr 11 15:36:49 xps kernel: net_ratelimit: 2020894 callbacks suppressed
Apr 11 15:36:49 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
Apr 11 15:37:02 xps root[27088]: ACPI group/action undefined: processor / LNXCPU:00
Apr 11 15:37:22 xps root[27533]: ACPI group/action undefined: processor / LNXCPU:00
Apr 11 15:37:42 xps root[28202]: ACPI group/action undefined: processor / LNXCPU:00
Apr 11 15:37:50 xps kernel: xhci_hcd 0000:03:00.0: xHCI host not responding to stop endpoint command.
Apr 11 15:37:50 xps kernel: xhci_hcd 0000:03:00.0: Assuming host is dying, halting host.
Apr 11 15:37:50 xps kernel: xhci_hcd 0000:03:00.0: HC died; cleaning up
Apr 11 15:37:50 xps kernel: usb 1-1: USB disconnect, device number 41
Apr 11 15:37:50 xps kernel: usb 1-1.1: USB disconnect, device number 42
Apr 11 15:37:50 xps kernel: usb 2-1: USB disconnect, device number 14
Apr 11 15:37:50 xps kernel: usb 2-1.4: USB disconnect, device number 15
Apr 11 15:37:50 xps acpid[429]: input device has been disconnected, fd 13
Apr 11 15:37:50 xps colord[456]: /usr/lib/colord/colord-sane: error while loading shared libraries: libsane.so.1: cannot open shared object file: No such file or directory
Apr 11 15:37:50 xps colord[456]: /usr/lib/colord/colord-sane: error while loading shared libraries: libsane.so.1: cannot open shared object file: No such file or directory
Apr 11 15:37:50 xps kernel: usb 1-1.2: USB disconnect, device number 43
Apr 11 15:37:50 xps colord[456]: /usr/lib/colord/colord-sane: error while loading shared libraries: libsane.so.1: cannot open shared object file: No such file or directory
Apr 11 15:37:50 xps kernel: usb 1-1.4: USB disconnect, device number 44
Apr 11 15:37:50 xps kernel: usb 1-1.4.2: USB disconnect, device number 46
Apr 11 15:37:50 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: unregister 'ax88179_178a' usb-0000:03:00.0-1.4.2, ASIX AX88179 USB 3.0 Gigabit Ethernet
Apr 11 15:37:50 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: Failed to read reg index 0x0002: -19
Apr 11 15:37:50 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: Failed to write reg index 0x0002: -19
Apr 11 15:37:50 xps colord[456]: /usr/lib/colord/colord-sane: error while loading shared libraries: libsane.so.1: cannot open shared object file: No such file or directory
Apr 11 15:37:50 xps colord[456]: /usr/lib/colord/colord-sane: error while loading shared libraries: libsane.so.1: cannot open shared object file: No such file or directory
Apr 11 15:37:50 xps dhclient[6870]: receive_packet failed on enp3s0u1u4u2: Network is down
Apr 11 15:37:50 xps NetworkManager[446]: <info> (enp3s0u1u4u2): device state change: activated -> unmanaged (reason 'removed') [100 10 36]
Apr 11 15:37:50 xps colord[456]: /usr/lib/colord/colord-sane: error while loading shared libraries: libsane.so.1: cannot open shared object file: No such file or directory
Apr 11 15:37:50 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2 (unregistered): Failed to write reg index 0x0002: -19
Apr 11 15:37:50 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2 (unregistered): Failed to write reg index 0x0001: -19
Apr 11 15:37:50 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2 (unregistered): Failed to write reg index 0x0002: -19
Last edited by atze (2016-04-11 14:26:17)
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There might be a relation between this issue and available memory.
I've been running a Win10 VM and while it was updating.. this issue seems be occuring over and over. My laptop has only 4GB memory and the VM has 2GB. My laptop was running into swap. When i stopped the vm it stopped with the error 'kevent 2 may have dropped' messages seem to disappear.
The kevent messages also were showing when i used the network interface on the USB2 port.
Apr 11 15:36:31 xps kernel: ax88179_178a 1-1.4.2:1.0 enp3s0u1u4u2: kevent 2 may have been dropped
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also node that i had this problem (usb3 device / xhci going down) with a USB3 harddrive copying a lot of data.
Last edited by atze (2016-04-11 14:20:47)
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