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#1 2018-01-19 15:53:17

smoneck
Member
Registered: 2014-05-14
Posts: 105

[SOLVED] System breaks when Ethernet adapter is plugged in

Hi!


When I plug in my USB-Ethernet adapter, the complete system freezes for a while and afterwards Network Manager is not working and beyond recoverable for my set of skills. I hence need to reboot then.
Interestingly, it works when I have it plugged in at boot-time.

Any ideas what goes wrong?


Thanks a lot!
Stephan


journalctl -x

Jan 19 16:28:26 computername kernel: usb 3-2: new high-speed USB device number 7 using xhci_hcd
Jan 19 16:28:26 computername mtp-probe[27685]: checking bus 3, device 7: "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-2"
Jan 19 16:28:26 computername mtp-probe[27685]: bus: 3, device: 7 was not an MTP device
Jan 19 16:28:27 computername laptop-mode[27750]: enabled, active
Jan 19 16:28:27 computername kernel: EXT4-fs (dm-1): re-mounted. Opts: data=ordered,commit=600
Jan 19 16:28:27 computername kernel: EXT4-fs (sda2): re-mounted. Opts: block_validity,barrier,user_xattr,acl
Jan 19 16:28:27 computername kernel: EXT4-fs (dm-3): re-mounted. Opts: stripe=32743,data=ordered,commit=600
Jan 19 16:28:27 computername laptop-mode[28363]: Failed to set power saving mode for wireless card
Jan 19 16:28:30 computername root[29963]: Device /sys/bus/usb/devices/1-0:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:30 computername root[29984]: Device /sys/bus/usb/devices/1-1 is blacklisted, skipping auto suspend.
Jan 19 16:28:30 computername root[30009]: Device /sys/bus/usb/devices/1-1:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:30 computername root[30016]: Device /sys/bus/usb/devices/2-0:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:30 computername root[30056]: Device /sys/bus/usb/devices/2-1 is blacklisted, skipping auto suspend.
Jan 19 16:28:30 computername root[30119]: Device /sys/bus/usb/devices/2-1:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:30 computername root[30126]: Device /sys/bus/usb/devices/3-0:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:30 computername root[30151]: Device /sys/bus/usb/devices/4-0:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:30 computername kernel: asix 3-2:1.0 eth0: register 'asix' at usb-0000:00:14.0-2, ASIX AX88772B USB 2.0 Ethernet, 9c:eb:e8:0a:36:79
Jan 19 16:28:30 computername kernel: usbcore: registered new interface driver asix
Jan 19 16:28:30 computername NetworkManager[672]: <info>  [1516375710.9931] manager: (eth0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/4)
Jan 19 16:28:31 computername laptop-mode[30264]: enabled, active
Jan 19 16:28:31 computername kernel: EXT4-fs (dm-1): re-mounted. Opts: data=ordered,commit=600
Jan 19 16:28:31 computername kernel: EXT4-fs (sda2): re-mounted. Opts: block_validity,barrier,user_xattr,acl
Jan 19 16:28:31 computername kernel: EXT4-fs (dm-3): re-mounted. Opts: stripe=32743,data=ordered,commit=600
Jan 19 16:28:31 computername laptop-mode[30883]: Failed to set power saving mode for wireless card
Jan 19 16:28:33 computername root[32475]: Device /sys/bus/usb/devices/1-0:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:33 computername root[32496]: Device /sys/bus/usb/devices/1-1 is blacklisted, skipping auto suspend.
Jan 19 16:28:34 computername root[32523]: Device /sys/bus/usb/devices/1-1:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:34 computername root[32530]: Device /sys/bus/usb/devices/2-0:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:34 computername root[32567]: Device /sys/bus/usb/devices/2-1 is blacklisted, skipping auto suspend.
Jan 19 16:28:34 computername root[32631]: Device /sys/bus/usb/devices/2-1:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:34 computername root[32638]: Device /sys/bus/usb/devices/3-0:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:34 computername root[32663]: Device /sys/bus/usb/devices/4-0:1.0 is blacklisted, skipping auto suspend.
Jan 19 16:28:34 computername upowerd[30029]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:14.0/usb3/3-2
Jan 19 16:28:34 computername systemd-udevd[30209]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.
Jan 19 16:28:34 computername kernel: asix 3-2:1.0 enp0s20u2: renamed from eth0
Jan 19 16:28:34 computername NetworkManager[672]: <info>  [1516375714.3909] device (enp0s20u2): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Jan 19 16:28:34 computername upowerd[30029]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0
Jan 19 16:28:34 computername kernel: IPv6: ADDRCONF(NETDEV_UP): enp0s20u2: link is not ready
Jan 19 16:28:43 computername kernel: usb 3-2: USB disconnect, device number 7
Jan 19 16:29:34 computername systemd-udevd[331]: seq 4099 '/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/net/enp0s20u2' is taking a long time
Jan 19 16:30:45 computername kernel: INFO: task NetworkManager:672 blocked for more than 120 seconds.
Jan 19 16:30:45 computername kernel:       Tainted: G           O    4.14.12-1-ARCH #1
Jan 19 16:30:45 computername kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 19 16:30:45 computername kernel: NetworkManager  D    0   672      1 0x00000000
Jan 19 16:30:45 computername kernel: Call Trace:
Jan 19 16:30:45 computername kernel:  ? __schedule+0x290/0x890
Jan 19 16:30:45 computername kernel:  schedule+0x2f/0x90
Jan 19 16:30:45 computername kernel:  rpm_resume+0x109/0x7f0
Jan 19 16:30:45 computername kernel:  ? wait_woken+0x80/0x80
Jan 19 16:30:45 computername kernel:  rpm_resume+0x582/0x7f0
Jan 19 16:30:45 computername kernel:  __pm_runtime_resume+0x3a/0x50
Jan 19 16:30:45 computername kernel:  usb_autopm_get_interface+0x1d/0x50 [usbcore]
Jan 19 16:30:45 computername kernel:  usbnet_write_cmd+0x33/0x80 [usbnet]
Jan 19 16:30:45 computername kernel:  asix_write_cmd+0x48/0x80 [asix]
Jan 19 16:30:45 computername kernel:  ? usb_runtime_suspend+0x70/0x70 [usbcore]
Jan 19 16:30:45 computername kernel:  asix_set_sw_mii+0x22/0x50 [asix]
Jan 19 16:30:45 computername kernel:  asix_mdio_read+0x61/0x150 [asix]
Jan 19 16:30:45 computername kernel:  ? usb_runtime_suspend+0x70/0x70 [usbcore]
Jan 19 16:30:45 computername kernel:  mii_nway_restart+0x14/0x40 [mii]
Jan 19 16:30:45 computername kernel:  ax88772_restore_phy+0x52/0x60 [asix]
Jan 19 16:30:45 computername kernel:  asix_resume+0x23/0x30 [asix]
Jan 19 16:30:45 computername kernel:  usb_resume_interface.isra.9+0x39/0xe0 [usbcore]
Jan 19 16:30:45 computername kernel:  usb_resume_both+0xd2/0x120 [usbcore]
Jan 19 16:30:45 computername kernel:  __rpm_callback+0xb6/0x1e0
Jan 19 16:30:45 computername kernel:  ? pskb_expand_head+0x71/0x2a0
Jan 19 16:30:45 computername kernel:  rpm_callback+0x4f/0x70
Jan 19 16:30:45 computername kernel:  ? usb_runtime_suspend+0x70/0x70 [usbcore]
Jan 19 16:30:45 computername kernel:  rpm_resume+0x4e2/0x7f0
Jan 19 16:30:45 computername kernel:  ? pskb_expand_head+0x71/0x2a0
Jan 19 16:30:45 computername kernel:  rpm_resume+0x582/0x7f0
Jan 19 16:30:45 computername kernel:  ? __kmalloc_reserve.isra.41+0x2e/0x80
Jan 19 16:30:45 computername kernel:  ? inetdev_event+0x46/0x4d0
Jan 19 16:30:45 computername kernel:  __pm_runtime_resume+0x3a/0x50
Jan 19 16:30:45 computername kernel:  usb_autopm_get_interface+0x1d/0x50 [usbcore]
Jan 19 16:30:45 computername kernel:  usbnet_open+0x21/0x270 [usbnet]
Jan 19 16:30:45 computername kernel:  __dev_open+0xc0/0x140
Jan 19 16:30:45 computername kernel:  __dev_change_flags+0x170/0x1b0
Jan 19 16:30:45 computername kernel:  dev_change_flags+0x23/0x60
Jan 19 16:30:45 computername kernel:  do_setlink+0x2df/0xe10
Jan 19 16:30:45 computername kernel:  ? __nla_reserve+0x38/0x50
Jan 19 16:30:45 computername kernel:  ? __nla_put+0xc/0x20
Jan 19 16:30:45 computername kernel:  ? __kmalloc_node_track_caller+0x31/0x2d0
Jan 19 16:30:45 computername kernel:  ? inet6_fill_ifla6_attrs+0x45a/0x480
Jan 19 16:30:45 computername kernel:  rtnl_newlink+0x5d2/0x8f0
Jan 19 16:30:45 computername kernel:  ? sock_def_readable+0xe/0x70
Jan 19 16:30:45 computername kernel:  ? __netlink_sendskb+0x47/0x60
Jan 19 16:30:45 computername kernel:  ? fib6_clean_tree+0x50/0x70
Jan 19 16:30:45 computername kernel:  ? security_capable+0x41/0x60
Jan 19 16:30:45 computername kernel:  rtnetlink_rcv_msg+0x1a5/0x2d0
Jan 19 16:30:45 computername kernel:  ? __mark_inode_dirty+0x361/0x3e0
Jan 19 16:30:45 computername kernel:  ? rtnl_calcit.isra.26+0x120/0x120
Jan 19 16:30:45 computername kernel:  netlink_rcv_skb+0x8d/0x130
Jan 19 16:30:45 computername kernel:  netlink_unicast+0x1aa/0x250
Jan 19 16:30:45 computername kernel:  netlink_sendmsg+0x2a9/0x3a0
Jan 19 16:30:45 computername kernel:  ? netlink_unicast+0x250/0x250
Jan 19 16:30:45 computername kernel:  ___sys_sendmsg+0x2b6/0x310
Jan 19 16:30:45 computername kernel:  ? addrconf_sysctl_forward+0x113/0x250
Jan 19 16:30:45 computername kernel:  ? dev_forward_change+0x130/0x130
Jan 19 16:30:45 computername kernel:  ? sysctl_head_finish.part.22+0x31/0x40
Jan 19 16:30:45 computername kernel:  ? proc_sys_call_handler+0x8b/0xf0
Jan 19 16:30:45 computername kernel:  ? lockref_put_or_lock+0x5b/0x80
Jan 19 16:30:45 computername kernel:  ? __sys_sendmsg+0x51/0x90
Jan 19 16:30:45 computername kernel:  __sys_sendmsg+0x51/0x90
Jan 19 16:30:45 computername kernel:  entry_SYSCALL_64_fastpath+0x1a/0x7d
Jan 19 16:30:45 computername kernel: RIP: 0033:0x7f07e10e6ae4
Jan 19 16:30:45 computername kernel: RSP: 002b:00007ffe755b4e80 EFLAGS: 00000293
Jan 19 16:30:45 computername kernel: INFO: task ntpd:1074 blocked for more than 120 seconds.
Jan 19 16:30:45 computername kernel:       Tainted: G           O    4.14.12-1-ARCH #1
Jan 19 16:30:45 computername kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 19 16:30:45 computername kernel: ntpd            D    0  1074      1 0x00000004
Jan 19 16:30:45 computername kernel: Call Trace:
Jan 19 16:30:45 computername kernel:  ? __schedule+0x290/0x890
Jan 19 16:30:45 computername kernel:  schedule+0x2f/0x90
Jan 19 16:30:45 computername kernel:  schedule_preempt_disabled+0x11/0x20
Jan 19 16:30:45 computername kernel:  __mutex_lock.isra.2+0x288/0x510
Jan 19 16:30:45 computername kernel:  ? netlink_lookup+0x11e/0x180
Jan 19 16:30:45 computername kernel:  ? __netlink_dump_start+0x4c/0x1b0
Jan 19 16:30:45 computername kernel:  __netlink_dump_start+0x4c/0x1b0
Jan 19 16:30:45 computername kernel:  ? rtnl_getlink+0x1b0/0x1b0
Jan 19 16:30:45 computername kernel:  rtnetlink_rcv_msg+0x22b/0x2d0
Jan 19 16:30:45 computername kernel:  ? rtnl_getlink+0x1b0/0x1b0
Jan 19 16:30:45 computername kernel:  ? rtnl_calcit.isra.26+0x120/0x120
Jan 19 16:30:45 computername kernel:  netlink_rcv_skb+0x8d/0x130
Jan 19 16:30:45 computername kernel:  netlink_unicast+0x1aa/0x250
Jan 19 16:30:45 computername kernel:  netlink_sendmsg+0x2a9/0x3a0
Jan 19 16:30:45 computername kernel:  SYSC_sendto+0x117/0x170
Jan 19 16:30:45 computername kernel:  ? SYSC_getsockname+0x72/0xc0
Jan 19 16:30:45 computername kernel:  ? sock_map_fd+0x3d/0x60
Jan 19 16:30:45 computername kernel:  entry_SYSCALL_64_fastpath+0x1a/0x7d
Jan 19 16:30:45 computername kernel: RIP: 0033:0x7f6d76b61140
Jan 19 16:30:45 computername kernel: RSP: 002b:00007ffc403ab500 EFLAGS: 00000293
Jan 19 16:30:45 computername kernel: INFO: task Qt bearer threa:1258 blocked for more than 120 seconds.
Jan 19 16:30:45 computername kernel:       Tainted: G           O    4.14.12-1-ARCH #1
Jan 19 16:30:45 computername kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 19 16:30:45 computername kernel: Qt bearer threa D    0  1258      1 0x00000000
Jan 19 16:30:45 computername kernel: Call Trace:
Jan 19 16:30:45 computername kernel:  ? __schedule+0x290/0x890
Jan 19 16:30:45 computername kernel:  schedule+0x2f/0x90
Jan 19 16:30:45 computername kernel:  schedule_preempt_disabled+0x11/0x20
Jan 19 16:30:45 computername kernel:  __mutex_lock.isra.2+0x288/0x510
Jan 19 16:30:45 computername kernel:  ? netlink_lookup+0x11e/0x180
Jan 19 16:30:45 computername kernel:  ? __netlink_dump_start+0x4c/0x1b0
Jan 19 16:30:45 computername kernel:  __netlink_dump_start+0x4c/0x1b0
Jan 19 16:30:45 computername kernel:  ? rtnl_getlink+0x1b0/0x1b0
Jan 19 16:30:45 computername kernel:  rtnetlink_rcv_msg+0x22b/0x2d0
Jan 19 16:30:45 computername kernel:  ? rtnl_getlink+0x1b0/0x1b0
Jan 19 16:30:45 computername kernel:  ? rtnl_calcit.isra.26+0x120/0x120
Jan 19 16:30:45 computername kernel:  netlink_rcv_skb+0x8d/0x130
Jan 19 16:30:45 computername kernel:  netlink_unicast+0x1aa/0x250
Jan 19 16:30:45 computername kernel:  netlink_sendmsg+0x2a9/0x3a0
Jan 19 16:30:45 computername kernel:  SYSC_sendto+0x117/0x170
Jan 19 16:30:45 computername kernel:  ? SYSC_getsockname+0x72/0xc0
Jan 19 16:30:45 computername kernel:  ? sock_map_fd+0x3d/0x60
Jan 19 16:30:45 computername kernel:  entry_SYSCALL_64_fastpath+0x1a/0x7d
Jan 19 16:30:45 computername kernel: RIP: 0033:0x7f6e9bac5140
Jan 19 16:30:45 computername kernel: RSP: 002b:00007f6e99416c80 EFLAGS: 00000293
Jan 19 16:30:45 computername kernel: INFO: task kworker/u8:0:27194 blocked for more than 120 seconds.
Jan 19 16:30:45 computername kernel:       Tainted: G           O    4.14.12-1-ARCH #1
Jan 19 16:30:45 computername kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 19 16:30:45 computername kernel: kworker/u8:0    D    0 27194      2 0x80000000
Jan 19 16:30:45 computername kernel: Workqueue: cfg80211 __cfg80211_scan_done [cfg80211]
Jan 19 16:30:45 computername kernel: Call Trace:
Jan 19 16:30:45 computername kernel:  ? __schedule+0x290/0x890
Jan 19 16:30:45 computername kernel:  schedule+0x2f/0x90
Jan 19 16:30:45 computername kernel:  schedule_preempt_disabled+0x11/0x20
Jan 19 16:30:45 computername kernel:  __mutex_lock.isra.2+0x288/0x510
Jan 19 16:30:45 computername kernel:  ? __switch_to+0xa2/0x4e0
Jan 19 16:30:45 computername kernel:  ? __update_idle_core+0x20/0xb0
Jan 19 16:30:45 computername kernel:  ? finish_task_switch+0x75/0x200
Jan 19 16:30:45 computername kernel:  ? __cfg80211_scan_done+0xe/0x30 [cfg80211]
Jan 19 16:30:45 computername kernel:  __cfg80211_scan_done+0xe/0x30 [cfg80211]
Jan 19 16:30:45 computername kernel:  process_one_work+0x1db/0x410
Jan 19 16:30:45 computername kernel:  worker_thread+0x2b/0x3d0
Jan 19 16:30:45 computername kernel:  ? process_one_work+0x410/0x410
Jan 19 16:30:45 computername kernel:  kthread+0x118/0x130
Jan 19 16:30:45 computername kernel:  ? kthread_create_on_node+0x70/0x70
Jan 19 16:30:45 computername kernel:  ret_from_fork+0x1f/0x30
Jan 19 16:30:45 computername kernel: INFO: task iw:32727 blocked for more than 120 seconds.
Jan 19 16:30:45 computername kernel:       Tainted: G           O    4.14.12-1-ARCH #1
Jan 19 16:30:45 computername kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 19 16:30:45 computername kernel: iw              D    0 32727  29858 0x00000004
Jan 19 16:30:45 computername kernel: Call Trace:
Jan 19 16:30:45 computername kernel:  ? __schedule+0x290/0x890
Jan 19 16:30:45 computername kernel:  schedule+0x2f/0x90
Jan 19 16:30:45 computername kernel:  schedule_preempt_disabled+0x11/0x20
Jan 19 16:30:45 computername kernel:  __mutex_lock.isra.2+0x288/0x510
Jan 19 16:30:45 computername kernel:  ? nl80211_dump_scan+0x37/0x6f0 [cfg80211]
Jan 19 16:30:45 computername kernel:  nl80211_dump_scan+0x37/0x6f0 [cfg80211]
Jan 19 16:30:45 computername kernel:  ? __kmalloc_reserve.isra.41+0x2e/0x80
Jan 19 16:30:45 computername kernel:  genl_lock_dumpit+0x28/0x40
Jan 19 16:30:45 computername kernel:  netlink_dump+0x100/0x2b0
Jan 19 16:30:45 computername kernel:  __netlink_dump_start+0x16b/0x1b0
Jan 19 16:30:45 computername kernel:  genl_family_rcv_msg+0x263/0x380
Jan 19 16:30:45 computername kernel:  ? genl_lock_dumpit+0x40/0x40
Jan 19 16:30:45 computername kernel:  ? genl_lock_done+0x50/0x50
Jan 19 16:30:45 computername kernel:  ? genl_unlock+0x20/0x20
Jan 19 16:30:45 computername kernel:  ? __wake_up_common_lock+0x89/0xc0
Jan 19 16:30:45 computername kernel:  genl_rcv_msg+0x47/0x90
Jan 19 16:30:45 computername kernel:  ? __kmalloc_node_track_caller+0x31/0x2d0
Jan 19 16:30:45 computername kernel:  ? genl_family_rcv_msg+0x380/0x380
Jan 19 16:30:45 computername kernel:  netlink_rcv_skb+0x8d/0x130
Jan 19 16:30:45 computername kernel:  genl_rcv+0x24/0x40
Jan 19 16:30:45 computername kernel:  netlink_unicast+0x1aa/0x250
Jan 19 16:30:45 computername kernel:  netlink_sendmsg+0x2a9/0x3a0
Jan 19 16:30:45 computername kernel:  ? netlink_unicast+0x250/0x250
Jan 19 16:30:45 computername kernel:  ___sys_sendmsg+0x2b6/0x310
Jan 19 16:30:45 computername kernel:  ? path_lookupat+0xaa/0x1f0
Jan 19 16:30:45 computername kernel:  ? skb_dequeue+0x52/0x60
Jan 19 16:30:45 computername kernel:  ? __inode_wait_for_writeback+0x7f/0xf0
Jan 19 16:30:45 computername kernel:  ? bit_waitqueue+0x30/0x30
Jan 19 16:30:45 computername kernel:  ? fsnotify_grab_connector+0x3c/0x60
Jan 19 16:30:45 computername kernel:  ? __sys_sendmsg+0x51/0x90
Jan 19 16:30:45 computername kernel:  __sys_sendmsg+0x51/0x90
Jan 19 16:30:45 computername kernel:  entry_SYSCALL_64_fastpath+0x1a/0x7d
Jan 19 16:30:45 computername kernel: RIP: 0033:0x7f25b2065037
Jan 19 16:31:34 computername systemd-udevd[331]: seq 4099 '/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/net/enp0s20u2' killed
Jan 19 16:31:34 computername systemd-udevd[331]: worker [30209] terminated by signal 9 (KILL)
Jan 19 16:31:34 computername systemd-udevd[331]: worker [30209] failed while handling '/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/net/enp0s20u2'

---
Edit: Added code-tags.

Last edited by smoneck (2018-01-20 16:04:07)

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#2 2018-01-19 16:09:30

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 21,427

Re: [SOLVED] System breaks when Ethernet adapter is plugged in

Please wrap output in [ code ] tags not [ quote ] tags.

Disable laptop-mode-tools and verify that it's power saving features aren't enabled. See if it works then. Make sure the adapter/cable isn't a dud and try on another system.

Last edited by V1del (2018-01-19 16:10:09)

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#3 2018-01-19 18:00:03

smoneck
Member
Registered: 2014-05-14
Posts: 105

Re: [SOLVED] System breaks when Ethernet adapter is plugged in

All right, with systemctl stop laptop-mode.service it seems to work ...
That means a bug report to them?

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#4 2018-01-19 19:13:47

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 21,427

Re: [SOLVED] System breaks when Ethernet adapter is plugged in

Might be enough to add the vendorId,productId of the adapter to its blacklist.

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#5 2018-01-20 16:03:35

smoneck
Member
Registered: 2014-05-14
Posts: 105

Re: [SOLVED] System breaks when Ethernet adapter is plugged in

Awesome! In /etc/laptop-mode/conf.d/runtime-pm.conf I added 0b95:7e2b to AUTOSUSPEND_RUNTIME_DEVID_BLACKLIST, restarted laptop-mode and it seems to work now!

Let's see how it works in the long run ...

Thank you very much!

How did you come up with laptop-mode-tools? Due to

Jan 19 16:28:27 computername laptop-mode[28363]: Failed to set power saving mode for wireless card

?

I did read this but didn't bring it together with the Ethernet adapter. :S

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#6 2018-01-22 23:17:03

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 21,427

Re: [SOLVED] System breaks when Ethernet adapter is plugged in

Well not the message in particular (which can be normal if you actively use a wireless card) but it did tell me of the fact that you do use laptop-mode-tools and that these tools will by default try to enable all power saving knobs available . And from experience, many linux drivers do have some quirks when trying to wake up a device out of the power saving mode.

For example on my laptop if I do have sound card powersaving enabled, I cannot plug in headphones - unless I'm already listening to something - as  the act of doing so leads to immediate shutdown of the system.

From there it is often a safe bet to first check that on 'inexplicable' issues like that.

Glad to hear this worked though smile

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