Messages in this thread | | | From | Kirill Elagin <> | Date | Sun, 18 Jan 2015 17:30:36 +0400 | Subject | USB autosuspend causing trouble with bluetooth |
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Hello,
Recently I started having issues with my Apple Magic Trackpad and I realised that the problem was with autosuspend. Whenever I have `auto` in `power/control` of my BT adapter, `btmon` shows no packets, nothing. As soon as I `echo on`, all the missing packets arrive.
The situation looks very similar to this thread: https://lkml.org/lkml/2014/4/2/574. As suggested, I tried `hci-tester` and I’m attaching the complete output, but, I guess, the interesting part is that with `on` in `power/control` I get:
~~~~ Inquiry (LIAC) Passed 10.254 seconds ~~~~
and with `auto` I get:
~~~~ Inquiry (LIAC) Timed out 30.365 seconds ~~~~
This is Acer 4810TG laptop with BCM2046. The kernel is 3.17.7, but I’m pretty sure I was also seeing this on 3.18.1. Bluez is 5.25.
P.S. Please, CC me as I’m not a subscriber. └─# ./tools/hci-tester
Reset - init Reset - setup Reset - setup complete Reset - run Reset - test passed Reset - teardown Reset - teardown complete Reset - done
Read Local Version Information - init Read Local Version Information - setup Read Local Version Information - setup complete Read Local Version Information - run Read Local Version Information - test passed Read Local Version Information - teardown Read Local Version Information - teardown complete Read Local Version Information - done
Read Local Supported Commands - init Read Local Supported Commands - setup Read Local Supported Commands - setup complete Read Local Supported Commands - run Read Local Supported Commands - test passed Read Local Supported Commands - teardown Read Local Supported Commands - teardown complete Read Local Supported Commands - done
Read Local Supported Features - init Read Local Supported Features - setup Read Local Supported Features - setup complete Read Local Supported Features - run Read Local Supported Features - test passed Read Local Supported Features - teardown Read Local Supported Features - teardown complete Read Local Supported Features - done
Read Local Extended Features - init Read Local Extended Features - setup Read Local Extended Features - setup complete Read Local Extended Features - run Read Local Extended Features - test passed Read Local Extended Features - teardown Read Local Extended Features - teardown complete Read Local Extended Features - done
Read Buffer Size - init Read Buffer Size - setup Read Buffer Size - setup complete Read Buffer Size - run Read Buffer Size - test passed Read Buffer Size - teardown Read Buffer Size - teardown complete Read Buffer Size - done
Read Country Code - init Read Country Code - setup Read Country Code - setup complete Read Country Code - run HCI command failed (0x01) Read Country Code - test failed Read Country Code - teardown Read Country Code - teardown complete Read Country Code - done
Read BD_ADDR - init Read BD_ADDR - setup Read BD_ADDR - setup complete Read BD_ADDR - run Read BD_ADDR - test passed Read BD_ADDR - teardown Read BD_ADDR - teardown complete Read BD_ADDR - done
Read Local Supported Codecs - init Read Local Supported Codecs - setup Read Local Supported Codecs - setup complete Read Local Supported Codecs - run HCI command failed (0x01) Read Local Supported Codecs - test failed Read Local Supported Codecs - teardown Read Local Supported Codecs - teardown complete Read Local Supported Codecs - done
LE Read White List Size - init LE Read White List Size - setup LE Read White List Size - setup complete LE Read White List Size - run HCI command failed (0x01) LE Read White List Size - test failed LE Read White List Size - teardown LE Read White List Size - teardown complete LE Read White List Size - done
LE Clear White List - init LE Clear White List - setup LE Clear White List - setup complete LE Clear White List - run HCI command failed (0x01) LE Clear White List - test failed LE Clear White List - teardown LE Clear White List - teardown complete LE Clear White List - done
Inquiry (LIAC) - init Inquiry (LIAC) - setup Inquiry (LIAC) - setup complete Inquiry (LIAC) - run Inquiry (LIAC) - test passed Inquiry (LIAC) - teardown Inquiry (LIAC) - teardown complete Inquiry (LIAC) - done
Create Connection - init Failed to setup lower tester user channel Create Connection - pre setup failed Create Connection - done
TP/DSU/BV-02-C Reset in Advertising State - init Failed to setup upper tester user channel TP/DSU/BV-02-C Reset in Advertising State - pre setup failed TP/DSU/BV-02-C Reset in Advertising State - done
Test Summary ------------ Reset Passed 0.007 seconds Read Local Version Information Passed 0.007 seconds Read Local Supported Commands Passed 0.011 seconds Read Local Supported Features Passed 0.008 seconds Read Local Extended Features Passed 0.010 seconds Read Buffer Size Passed 0.008 seconds Read Country Code Failed 0.008 seconds Read BD_ADDR Passed 0.007 seconds Read Local Supported Codecs Failed 0.009 seconds LE Read White List Size Failed 0.007 seconds LE Clear White List Failed 0.009 seconds Inquiry (LIAC) Passed 10.254 seconds Create Connection Not Run TP/DSU/BV-02-C Reset in Advertising State Not Run
Total: 14, Passed: 8 (57.1%), Failed: 4, Not Run: 2 Overall execution time: 10.4 seconds ─# ./tools/hci-tester
Reset - init Reset - setup Reset - setup complete Reset - run Reset - test passed Reset - teardown Reset - teardown complete Reset - done
Read Local Version Information - init Read Local Version Information - setup Read Local Version Information - setup complete Read Local Version Information - run Read Local Version Information - test passed Read Local Version Information - teardown Read Local Version Information - teardown complete Read Local Version Information - done
Read Local Supported Commands - init Read Local Supported Commands - setup Read Local Supported Commands - setup complete Read Local Supported Commands - run Read Local Supported Commands - test passed Read Local Supported Commands - teardown Read Local Supported Commands - teardown complete Read Local Supported Commands - done
Read Local Supported Features - init Read Local Supported Features - setup Read Local Supported Features - setup complete Read Local Supported Features - run Read Local Supported Features - test passed Read Local Supported Features - teardown Read Local Supported Features - teardown complete Read Local Supported Features - done
Read Local Extended Features - init Read Local Extended Features - setup Read Local Extended Features - setup complete Read Local Extended Features - run Read Local Extended Features - test passed Read Local Extended Features - teardown Read Local Extended Features - teardown complete Read Local Extended Features - done
Read Buffer Size - init Read Buffer Size - setup Read Buffer Size - setup complete Read Buffer Size - run Read Buffer Size - test passed Read Buffer Size - teardown Read Buffer Size - teardown complete Read Buffer Size - done
Read Country Code - init Read Country Code - setup Read Country Code - setup complete Read Country Code - run HCI command failed (0x01) Read Country Code - test failed Read Country Code - teardown Read Country Code - teardown complete Read Country Code - done
Read BD_ADDR - init Read BD_ADDR - setup Read BD_ADDR - setup complete Read BD_ADDR - run Read BD_ADDR - test passed Read BD_ADDR - teardown Read BD_ADDR - teardown complete Read BD_ADDR - done
Read Local Supported Codecs - init Read Local Supported Codecs - setup Read Local Supported Codecs - setup complete Read Local Supported Codecs - run HCI command failed (0x01) Read Local Supported Codecs - test failed Read Local Supported Codecs - teardown Read Local Supported Codecs - teardown complete Read Local Supported Codecs - done
LE Read White List Size - init LE Read White List Size - setup LE Read White List Size - setup complete LE Read White List Size - run HCI command failed (0x01) LE Read White List Size - test failed LE Read White List Size - teardown LE Read White List Size - teardown complete LE Read White List Size - done
LE Clear White List - init LE Clear White List - setup LE Clear White List - setup complete LE Clear White List - run HCI command failed (0x01) LE Clear White List - test failed LE Clear White List - teardown LE Clear White List - teardown complete LE Clear White List - done
Inquiry (LIAC) - init Inquiry (LIAC) - setup Inquiry (LIAC) - setup complete Inquiry (LIAC) - run Inquiry (LIAC) - test timed out Inquiry (LIAC) - teardown Inquiry (LIAC) - teardown complete Inquiry (LIAC) - done
Create Connection - init Failed to setup lower tester user channel Create Connection - pre setup failed Create Connection - done
TP/DSU/BV-02-C Reset in Advertising State - init Failed to setup upper tester user channel TP/DSU/BV-02-C Reset in Advertising State - pre setup failed TP/DSU/BV-02-C Reset in Advertising State - done
Test Summary ------------ Reset Passed 0.066 seconds Read Local Version Information Passed 0.008 seconds Read Local Supported Commands Passed 0.016 seconds Read Local Supported Features Passed 0.009 seconds Read Local Extended Features Passed 0.010 seconds Read Buffer Size Passed 0.008 seconds Read Country Code Failed 0.008 seconds Read BD_ADDR Passed 0.007 seconds Read Local Supported Codecs Failed 0.007 seconds LE Read White List Size Failed 0.008 seconds LE Clear White List Failed 0.009 seconds Inquiry (LIAC) Timed out 30.365 seconds Create Connection Not Run TP/DSU/BV-02-C Reset in Advertising State Not Run
Total: 14, Passed: 7 (50.0%), Failed: 5, Not Run: 2 Overall execution time: 30.5 seconds
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