Public bug reported:
[Impact]
I have a Logitech H340 USB Headset and a Logitech C270 Webcam I use for
meetings.
I access Google Meet with Firefox.
During a meeting, or immediately after one, and especially so if I join
a second meeting after one finishes, my input devices start acting up
and my system becomes unstable.
Things start with my Headset getting reset:
[ 3153.811599] usb 3-3: reset high-speed USB device number 2 using
xhci_hcd
This happens multiple times.
Then I get a long list of suppressed callbacks:
[13468.808356] retire_capture_urb: 133 callbacks suppressed
>From there, things timeout and I get this stack trace:
hid-generic 0003:046D:0A38.0005: input,hiddev2,hidraw4: USB HID v1.11 Device
[Logitech Inc. Logitech USB Headset H340] on usb-0000:06:00.0-2/input3
INFO: task kworker/0:1:366 blocked for more than 120 seconds.
Not tainted 5.3.0-40-generic #32-Ubuntu
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/0:1 D 0 366 2 0x80004000
Workqueue: usb_hub_wq hub_event
Call Trace:
__schedule+0x2b9/0x6c0
? unlink1+0x31/0x130
schedule+0x42/0xb0
usb_kill_urb+0x81/0xc0
? wait_woken+0x80/0x80
usb_hcd_flush_endpoint+0x16c/0x180
usb_disable_endpoint+0x9b/0xb0
usb_disable_interface+0x43/0x60
usb_unbind_interface+0x183/0x260
device_release_driver_internal+0xe4/0x1c0
device_release_driver+0x12/0x20
bus_remove_device+0xe1/0x150
device_del+0x168/0x370
? usb_remove_ep_devs+0x1f/0x30
usb_disable_device+0x9f/0x250
usb_disconnect+0xc0/0x270
hub_port_connect+0x7d/0x850
port_event+0x502/0x780
? __switch_to_asm+0x40/0x70
hub_event+0x152/0x390
? __schedule+0x2c1/0x6c0
process_one_work+0x1db/0x380
worker_thread+0x4d/0x400
kthread+0x104/0x140
? process_one_work+0x380/0x380
? kthread_park+0x80/0x80
ret_from_fork+0x35/0x40
This is then followed by:
[14262.566484] xhci_hcd 0000:06:00.0: ERROR Transfer event TRB DMA ptr not part
of current TD ep_index 1 comp_code 1
[14262.566487] xhci_hcd 0000:06:00.0: Looking for event-dma 00000007ed5edff0
trb-start 00000007b4a5b000 trb-end 00000007b4a5b000 seg-start 00000007b4a5b000
seg-end 00000007b4a5bff0
During this time, video stutters and audio coming to the headphone
stutters and repeats. It sometimes makes having meetings difficult.
This has happened since 4.18 on cosmic, and was just as bad on 5.0
disco. When I moved to 5.3 eoan things got better, but I still
experience these problems.
Usually these problems make Firefox unusable too, but for this
particular snapshot of logs, Firefox continued to work fine.
If I unplug the headset and move it from a USB 2 port to a USB 3 port I
can usually get through the meeting okay.
[Test Case]
Use a Logitech H340 USB Headset with Google Meet on Firefox. This is not
always reproducible, and I am still determining how to reliably
reproduce.
** Affects: linux (Ubuntu)
Importance: Medium
Status: New
** Affects: linux (Ubuntu Eoan)
Importance: Medium
Status: New
** Affects: linux (Ubuntu Focal)
Importance: Medium
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1863973
Title:
Logitech USB Headset Causes Softlockups During Meetings
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