from lsusb..
Bus 007 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth
Dongle (HCI mode)
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Title:
Bluetooth modules cause random S4
@Martin
That makes sense. Thanks for the help.
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Title:
Bluetooth modules cause random S4 hangs
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Causes random hangs and freezes during suspend.
I got this package pushed (I did not have proposed enabled, not sure how I got
this package on march 11)
Since then, computer would lock up randomly during suspend. Reverted to old
package, I am fine now.
system 76 pangolin 6 laptop - 64 bit
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@RPHedge,
Can you post the USB VID/PID of the laptop?
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Title:
Bluetooth modules cause random S4 hangs
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@RPHedge,
I mean the USB VID/PID of the bluetooth adaptor on your laptop.
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Title:
Bluetooth modules cause random S4 hangs
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@Kent
Thanks for the testing. I am testing on a SandyBridge-based system.
@Martin
For the testing result from Kent and me, I think we are seeing different
types of hang in 2.6.38 kernel and this prevents further verification on the
pm-utils workaround.
** Changed in: pm-utils (Ubuntu)
Thanks. So I propose we only apply that workaround for maverick, and not
carry it forward to natty?
** Changed in: pm-utils (Ubuntu)
Status: New = Invalid
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This bug was fixed in the package pm-utils - 1.4.1-3ubuntu1
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pm-utils (1.4.1-3ubuntu1) maverick-proposed; urgency=low
* Add 12-bluetooth-service-restart.patch: Add the quirk support for
stoping/restarting bluetooth service. It is found that the bluetooth
modules with USB
** Changed in: pm-utils (Debian)
Status: New = Fix Released
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Title:
Bluetooth modules cause random S4 hangs
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With linux-image-2.6.38-5-generic and NO pm-utils from -proposed, I'm
seeing the same odd behavior as Keng-Yu in that I'm seeing a weird
reboot in the resume from hibernate after 1 or 2 successful S4s. On my
third try, I managed to get 13 out of 30 S4s to complete before seeing
the reboot again.
With the pm-utils from -proposed that contains the bluetooth workarounds
and the 2.6.38-5 Natty kernel, I got 27 successful S4's out of 30 before
the mysterious reboot occurred.
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Hello Lin,
Keng-Yü Lin [2011-03-03 5:36 -]:
I've tried Natty kernel package linux-image-2.6.38-5-generic version
2.6.38-5.32. I am facing reboot in the resume from hibernation. It
usually happens just after 1 or 2 successful S4.
Thanks for testing. Does the pm-utils bluetooth workaround
@Keng-Yu,
Was your machine a Sugar Bay system by any chance? If it is, then there
are other issues with S4 that haven't been ironed out yet (even in
Natty). We're working closely with Intel to get those issues fixed, and
the symptoms you described looked similar. I'm not sure if those
reboots
I've tried Natty kernel package linux-image-2.6.38-5-generic version
2.6.38-5.32. I am facing reboot in the resume from hibernation. It
usually happens just after 1 or 2 successful S4.
Since this is not like the hang we have in Maverick kernel. I also
tested the mainline build, package
** Changed in: pm-utils (Ubuntu)
Status: Triaged = In Progress
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Title:
Bluetooth modules cause random S4 hangs
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Tested pm-utils with a laptop containing a DW375 Bluetooth device. I
ran a small, quick test of 20 consecutive S4 cycles with a 30 second
delay between S4 iterations.
I was able to successfully complete all 20 without a hang in S4.
Without this 'fix', or some other workaround that disabled /
Thanks for testing! Now we need someone to do the same test procedure
under maverick with the natty kernel, but the non-proposed pm-utils.
** Tags added: verification-done
** Tags removed: verification-needed
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Thanks for contributing the match code utilising udevadm. I attached the
modified patch here and in BTS.
** Patch added:
0001-Add-the-quirk-support-for-stoping-restarting-bluetoo-v2.patch
Lin,
thanks! This looks good enough for maverick.
Question is now what to do about natty onwards. Is this also a problem
on current natty? It should be possible to install the natty kernle on
current maverick to test this. If it still fails, this needs to be
reported against linux, as this
Sponsored. Assigning back to you for the natty investigation.
** Changed in: pm-utils (Ubuntu)
Assignee: Martin Pitt (pitti) = Keng-Yü Lin (lexical)
** Changed in: pm-utils (Ubuntu Maverick)
Assignee: Martin Pitt (pitti) = Keng-Yü Lin (lexical)
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Accepted pm-utils into maverick-proposed, the package will build now and
be available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!
** Changed in: pm-utils (Ubuntu
(Note that this can go to -proposed now, but not to -updates until we
figured out the natty solution, as per SRU policy).
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Title:
Bluetooth
** Branch linked: lp:ubuntu/maverick-proposed/pm-utils
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Title:
Bluetooth modules cause random S4 hangs
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** Changed in: pm-utils (Debian)
Status: Unknown = New
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Title:
Bluetooth modules cause random S4 hangs
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Thanks Lin, that already looks a lot better. It still needs some
improvement, I sent a suggested piece of code to the Debian bug.
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Title:
I originally misread the original patch, as it renames 49bluetooth to
49bluetooth-ibm, and I misread that as new code. Any chance you could
clean this up (revert the renaming), merge the two patches into one, and
open an upstream bug with some details and the patch? Then I can sponsor
this to
** Changed in: pm-utils (Ubuntu)
Assignee: Martin Pitt (pitti) = Keng-Yü Lin (lexical)
** Changed in: pm-utils (Ubuntu)
Status: Triaged = In Progress
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** Bug watch added: Debian Bug tracker #614902
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=614902
** Also affects: pm-utils (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=614902
Importance: Unknown
Status: Unknown
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@Martin
I reported it as http://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=614902.
I reverted the renaming of 49bluetooth. Also renamed my 45bluetooth to
45bluetooth-service. I think this makes it easier to identify.
New patch is in BTS. I also attached here.
** Changed in: pm-utils
I checked 13-49bluetooth-sync.patch in the Natty pm-utils source package
and bug 698331. I think it is not the same as this bug.
Bug 698331 and 49bluetooth are specific to Thinkpads. This bug deals
with hardwares other than Thinkpads.
49bluetooth checks the presence of a proc node generated by
In the comment above, I mean I added echo /sys/module/btusb/refcnt in
49bluetooth.
** Changed in: pm-utils (Ubuntu)
Status: Incomplete = Triaged
** Changed in: pm-utils (Ubuntu)
Assignee: Keng-Yü Lin (lexical) = Martin Pitt (pitti)
** Changed in: pm-utils (Ubuntu Maverick)
I also tested pm-utils from Natty (1.4.1-5). As mentioned in the last
comment, 49bluetooth is not actually executed because I was not testing
on a Thinkpad.
I removed the thinkpad-related part, left only 13-49bluetooth-
sync.patch, and added /sys/module/btusb/refcnt. The value does not
reach 0.
** Changed in: pm-utils (Ubuntu Maverick)
Assignee: (unassigned) = Keng-Yü Lin (lexical)
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Title:
Bluetooth modules cause random S4 hangs
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A similar report was recently filed and fixed in bug 698331 in a generic
fashion; the attached patch looks like it does something similar in a
more complicated. Any chance you could try whether the natty package
fixes this? It will work fine on maverick. If it does, I'd rather SRU
the natty/lucid
** Patch added: bt-quirk.debdiff
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/715643/+attachment/1857300/+files/bt-quirk.debdiff
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The debdiff contains two quilt patches.
95-bluetooth-quirk.patch added the --bluetooth-service-off argument
for stop/restart the bluetooth service.
96-bluetooth-known-quirks.patch added a simple mechanism for quirking
the bluetooth USB pid/vid (currently [0a5c:219c] [0a5c:21bc]
[413c:8187]).
looking for package update sponsoring.
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Title:
Bluetooth modules cause random S4 hangs
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s/update/upload/
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Title:
Bluetooth modules cause random S4 hangs
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** Also affects: pm-utils (Ubuntu Maverick)
Importance: Undecided
Status: New
** Changed in: pm-utils (Ubuntu Maverick)
Importance: Undecided = Medium
** Changed in: pm-utils (Ubuntu Maverick)
Status: New = In Progress
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Hi Keng-Yu,
Any updates on this? Thanks!
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Title:
Bluetooth modules cause random S4 hangs
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`lsusb` of the problematic bluetooth device.
** Attachment added: dw375.txt
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/715643/+attachment/1839336/+files/dw375.txt
** Changed in: pm-utils (Ubuntu)
Importance: Undecided = Medium
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Just to be clear, we have two usb bluetooth devices that we know are
problematic and would benefit from the workaround:
Bus 002 Device 003: ID 413c:8187 Dell Computer Corp. DW375 Bluetooth
Module
and
DW1701 with the usb ID's mentoned in the Bug Description.
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** Description changed:
Binary package hint: pm-utils
It is found that the bluetooth modules with USB VID/PIDs [0a5c:219c] and
- [0a5c:21bc] is causing random S4 hangs on various Dell laptops with
+ [0a5c:21bc] is causing random S4 hangs on various laptops with
SandyBridge chipset.
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