From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>,
kernel list <linux-kernel@vger.kernel.org>,
marcel@holtmann.org, gustavo@padovan.org,
linux-bluetooth@vger.kernel.org
Subject: Re: 3.10-rc: bluetooth disappeared on thinkpad x60 (regression)
Date: Mon, 10 Jun 2013 15:38:34 +0200 [thread overview]
Message-ID: <20130610133834.GA4058@amd.pavel.ucw.cz> (raw)
In-Reply-To: <20130610115938.GA12892@x220.ger.corp.intel.com>
Hi!
> > (Can I just add printk somewhere?)
>
> If you want, the Bluetooth subsystem does support the dynamic debug
> feature, so you could enable logs for hci_core.c and hci_event.c.
> However, this will likely still not be enough and the HCI logs would
> anyway be needed. One thing to note is that btmon is a quite new tool
> which may not yet be packaged by your distro (it appeared in BlueZ 5,
> released 6 months ago). An alternative which should work too is hcidump,
> probably packed in a bluez-hcidump package on your distro.
hcidump. Sounds good, I can do hcidump :-).
I ran hcidump, while I did hciconfig hci0 up on other console.
root@amd:~# hcidump hci0
HCI sniffer - Bluetooth packet analyzer ver 1.42
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Reset (0x03|0x0003) plen 0
> HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Read Local Supported Features (0x04|0x0003) plen 0
> HCI Event: Command Complete (0x0e) plen 12
< HCI Command: Read Local Version Information (0x04|0x0001) plen 0
> HCI Event: Command Complete (0x0e) plen 12
< HCI Command: Read BD ADDR (0x04|0x0009) plen 0
> HCI Event: Command Complete (0x0e) plen 10
< HCI Command: Read Buffer Size (0x04|0x0005) plen 0
> HCI Event: Command Complete (0x0e) plen 11
< HCI Command: Read Class of Device (0x03|0x0023) plen 0
> HCI Event: Command Complete (0x0e) plen 7
< HCI Command: Read Local Name (0x03|0x0014) plen 0
> HCI Event: Command Complete (0x0e) plen 252
< HCI Command: Read Voice Setting (0x03|0x0025) plen 0
> HCI Event: Command Complete (0x0e) plen 6
< HCI Command: Set Event Filter (0x03|0x0005) plen 1
> HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Write Connection Accept Timeout (0x03|0x0016) plen 2
> HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Delete Stored Link Key (0x03|0x0012) plen 7
> HCI Event: Command Complete (0x0e) plen 4
Now I turned off the bluetooth via hw switch (it disappeared from
lsusb), turned it on, and same procedure:
root@amd:~# hcidump hci0
HCI sniffer - Bluetooth packet analyzer ver 1.42
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Reset (0x03|0x0003) plen 0
> HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Read Local Supported Features (0x04|0x0003) plen 0
> HCI Event: Command Complete (0x0e) plen 12
< HCI Command: Read Local Version Information (0x04|0x0001) plen 0
> HCI Event: Command Complete (0x0e) plen 12
< HCI Command: Read BD ADDR (0x04|0x0009) plen 0
> HCI Event: Command Complete (0x0e) plen 10
< HCI Command: Read Buffer Size (0x04|0x0005) plen 0
> HCI Event: Command Complete (0x0e) plen 11
< HCI Command: Read Class of Device (0x03|0x0023) plen 0
> HCI Event: Command Complete (0x0e) plen 7
< HCI Command: Read Local Name (0x03|0x0014) plen 0
> HCI Event: Command Complete (0x0e) plen 252
< HCI Command: Read Voice Setting (0x03|0x0025) plen 0
> HCI Event: Command Complete (0x0e) plen 6
< HCI Command: Set Event Filter (0x03|0x0005) plen 1
> HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Write Connection Accept Timeout (0x03|0x0016) plen 2
> HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Delete Stored Link Key (0x03|0x0012) plen 7
> HCI Event: Command Complete (0x0e) plen 4
Hope this helps,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2013-06-10 13:38 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-10 9:29 3.10-rc: bluetooth disappeared on thinkpad x60 (regression) Pavel Machek
2013-06-10 10:05 ` Johan Hedberg
2013-06-10 11:04 ` Pavel Machek
2013-06-10 11:59 ` Johan Hedberg
2013-06-10 13:38 ` Pavel Machek [this message]
2013-06-10 16:07 ` Johan Hedberg
2013-06-10 19:37 ` Pavel Machek
2013-06-11 7:22 ` Johan Hedberg
2013-06-11 10:20 ` Johan Hedberg
2013-06-12 11:23 ` Pavel Machek
2013-06-13 7:23 ` Johan Hedberg
2013-06-13 8:04 ` Johan Hedberg
2013-06-13 8:45 ` Pavel Machek
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