I encountered a CPU run with rmmod pvrusb2 and then several seconds later
modprobing pvrusb2.
From what top shows, pvrusb2-context either hung on modprobe or rmmod.
# tail /var/log/everything/current -n 20
Oct 14 00:53:36 [kernel] tda18271 0-0060: creating new instance
Oct 14 00:53:36 [kernel] TDA18271HD/C1 detected @ 0-0060
Oct 14 00:53:37 [kernel] tda829x 0-0042: type set to tda8295+18271
Oct 14 00:53:40 [kernel] usb 3-4: firmware: requesting v4l-cx2341x-enc.fw
Oct 14 00:53:41 [kernel] pvrusb2: firmware2 upload transfer failure
Oct 14 00:53:41 [kernel] pvrusb2: Clearing driver error statuss
Oct 14 00:53:43 [kernel] cx25840 0-0044: 0x0000 is not a valid video input!
Oct 14 00:53:43 [kernel] DVB: registering adapter 0 frontend 0 (Samsung S5H1411
QAM/8VSB Frontend)...
Oct 14 00:53:43 [kernel] tda829x 0-0042: type set to tda8295
Oct 14 00:53:43 [kernel] tda18271 0-0060: attaching existing instance
Oct 14 00:53:47 [kernel] usbcore: deregistering interface driver pvrusb2
Oct 14 00:53:47 [kernel] pvrusb2: Device being rendered inoperable
Oct 14 00:53:47 [kernel] pvrusb2: unregistered device ■■■o0 [mpeg]
Oct 14 00:53:47 [kernel] pvrusb2: unregistering DVB devices
Oct 14 00:54:02 [kernel] SysRq : Emergency Sync
- Last output repeated 2 times -
Top shows:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
26142 root 20 0 0 0 0 R 100 0.0 5:31.30 pvrusb2-context
4085 roger 39 19 2636 1188 904 S 1 0.1 4:12.39 top
26299 root 20 0 2656 1176 896 R 1 0.1 0:00.04 top
(I've have to re-enable pvrusb2 mailing list to start sending mailing list
emails.)
--
Roger
http://rogerx.freeshell.org/
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