** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1838514
Title:
Suspend failure with kernel 4.15.0-56-generic
Status in linux package in Ubuntu:
Fix Released
Bug description:
Since the upgrade to 4.15.0-56-generic (Ubuntu 18.04), my computer fails to
suspend.
Suspend still works fine if I boot with previous kernel (4.15.0-55-generic).
Looking at the changelog, I suspect the following change to be the cause of
this regression:
>> - usb: xhci: Prevent bus suspend if a port connect change or polling
state is
detected
Indeed, my dmesg is also spammed all the time with USB failures and I
would not be surprised that this change disallows suspending just
because something is happening on my USB bus.
Below, example of spam I often see in my journal:
[ 55.772109] usb 2-5: new full-speed USB device number 14 using xhci_hcd
[ 55.900048] usb 2-5: device descriptor read/64, error -71
[ 56.136052] usb 2-5: device descriptor read/64, error -71
(this repeats a lot of times, the device number is incremented every
time)
By the way, lsusb does not list any device on usb 2-5.
Of course, I may be wrong about the causal relation between all these
observations but it does not look all too much harebrained to me.
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ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: aldric 16562 F.... pulseaudio
/dev/snd/controlC0: aldric 16562 F.... pulseaudio
CurrentDesktop: KDE
DistroRelease: KDE neon 18.04
HibernationDevice: RESUME=UUID=ea5c7495-cd92-424b-b6a8-99b0fca30f1c
InstallationDate: Installed on 2014-10-21 (1744 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140923)
MachineType: Hewlett-Packard HP EliteBook 840 G1
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-55-generic
root=UUID=01d6fe07-8259-4ecf-b862-6ea0c432a92b ro allow-discards root_trim=yes
quiet splash drm.rnodes=1
ProcVersionSignature: Ubuntu 4.15.0-55.60-generic 4.15.18
RelatedPackageVersions:
linux-restricted-modules-4.15.0-55-generic N/A
linux-backports-modules-4.15.0-55-generic N/A
linux-firmware 1.173.10
Tags: bionic
Uname: Linux 4.15.0-55-generic x86_64
UpgradeStatus: Upgraded to bionic on 2018-09-19 (314 days ago)
UserGroups: adm cdrom dip input kvm lpadmin plugdev sambashare sudo users
video wireshark
_MarkForUpload: True
dmi.bios.date: 07/28/2014
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: L71 Ver. 01.20
dmi.board.name: 198F
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 15.55
dmi.chassis.asset.tag: 5CG4415D4J
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvrL71Ver.01.20:bd07/28/2014:svnHewlett-Packard:pnHPEliteBook840G1:pvrA3008CD10003:rvnHewlett-Packard:rn198F:rvrKBCVersion15.55:cvnHewlett-Packard:ct10:cvr:
dmi.product.family: 103C_5336AN G=N L=BUS B=HP S=ELI
dmi.product.name: HP EliteBook 840 G1
dmi.product.version: A3008CD10003
dmi.sys.vendor: Hewlett-Packard
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