fwiw, with a 5.3 kernel on eoan and a system-sleep script that does
`btmgmt power off` pre sleep, and `btmgmt power on` post sleep, I
haven't been seeing the lock up issue.
just an occasional instant wake from suspend with the system usable
after that, and able to successfully suspend with
Alternatively this commit I suspect should help:
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=1ffdb51f28e8ec6be0a2b812c1765b5cf5c44a8f
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any chance we can see this in an ubuntu kernel despite the lack of
response on lkml?
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https://bugs.launchpad.net/bugs/1823029
Title:
[Dell XPS 15 9575] Occasionally fails
ok thanks, my 2nd attempt at patching 5.0.0.20.21 with v2 appears to be
working as well as your older build.
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Title:
[Dell XPS 15
I don't see this:
pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -16
Which is in the previous log.
To build a kernel, I use `fakeroot debian/rules clean binary-headers
binary-generic`.
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fwiw, i tried to build 5.0.0.20.21 with v2 applied, and was able to
reproduce the bug (I may have built it incorrectly though? I git
applied the two patches from a clone of git://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/disco and then did `fakeroot
debian/rules clean` ;
looks like no responses to v2, anything I can do to help move this
along? could it at least make it into an updated kernel build with
security patches, if not the ubuntu patch set?
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Comment #25?
And V2 here: https://lkml.org/lkml/2019/4/30/213
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Title:
[Dell XPS 15 9575] Occasionally fails to suspend and locks
What did you change? I have a colleague with the same device but a
different distribution, so I'm interested in reproducing the fix with
another kernel.
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Yes, please use my custom built kernel in the interim.
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https://bugs.launchpad.net/bugs/1823029
Title:
[Dell XPS 15 9575] Occasionally fails to suspend and locks up
https://lkml.org/lkml/2019/4/22/81
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Title:
[Dell XPS 15 9575] Occasionally fails to suspend and locks up instead
Status in linux
Either way, whatever fix is in the
https://people.canonical.com/~khfeng/lp1823029/ kernel is very effective
if not perfect -- can it be put into the main repo kernels or will I
need to keep kernel packages held for a while?
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>From reading the logs that's what it looks like -- it appears the lid
was closed at 21:48:40 and then suspend was successful at 21:49:10 or
21:49:25, but then the system immediately resumes at 21:49:25, and
doesn't fully recover
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(but unlike the on-suspend lockup, the journal continues to accumulate
some entries -- possible the system wasn't fully locked up but the
display was?)
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The may seem to the same, but do the symptoms occur at different time?
The original issue happens at suspending, while #20 occurs at resuming?
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Had another failure with similar symptoms (fan on, screen black once
laptop lid opened), but logs look different this time.
** Attachment added: "differentfailure.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1823029/+attachment/5256275/+files/differentfailure.txt
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still looking good after several more sleep cycles today
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Title:
[Dell XPS 15 9575] Occasionally fails to suspend and locks up
initial tests are looking good (4 successful suspends & resumes during
this boot so far). Will keep testing and report back.
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Title:
Re-copied the files. Please try again.
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Title:
[Dell XPS 15 9575] Occasionally fails to suspend and locks up instead
Status in
linux-modules-extra package looks corrupt:
(Reading database ... 367458 files and directories currently installed.)
Preparing to unpack
linux-modules-extra-5.0.0-11-generic_5.0.0-11.12~lp1823029_amd64.deb ...
Unpacking linux-modules-extra-5.0.0-11-generic (5.0.0-11.12~lp1823029) ...
dpkg-deb
Please test this kernel:
https://people.canonical.com/~khfeng/lp1823029/
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Title:
[Dell XPS 15 9575] Occasionally fails to suspend
Saw same thing with the btmgr commands added to system-sleep script,
attaching kernel log from that boot
** Attachment added: "kernel log with btmgr privacy set during system-sleep
script"
yes, all packages are up to date, and specifically the gnome-bluetooth
package at 3.32.1-1 since april 3rd.
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Title:
[Dell XPS 15
Is gnome-bluetooth up-to-date? See LP: #1822533.
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Title:
[Dell XPS 15 9575] Occasionally fails to suspend and locks up instead
ok, have added those commands to a /lib/systemd/system-sleep script to
have that happen before suspend and will report back if it helps or not.
It appears that with privacy on, my bt mouse doesn't connect anymore, is
that expected?
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The Bluetooth controller wakes up early when USB Controller is trying to
suspend.
Please enable LE privacy before suspend, and see if it helps:
$ btmgmt power off
$ btmgmt privacy on
$ btmgmt power on
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here's the bottom of journalctl -b -1 from a boot with
"usbcore.dyndbg=+p" that reproduced the issue (let me know if there's a
better way to get the kernel log you're looking for):
Apr 10 17:31:18 taplop systemd-sleep[8074]: Suspending system...
Apr 10 17:31:18 taplop kernel: PM: suspend entry
** Attachment added: "full kernel log from that boot extracted via: journalctl
-b-1 -k > kern.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1823029/+attachment/5254820/+files/kern.log
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Please boot with kernel parameter "usbcore.dyndbg=+p", reproduce the
issue, and attach kernel log.
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Title:
[Dell XPS 15 9575]
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