xserver-xorg-core-dbg does not provide proper debug symbols
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
xorg-server (Ubuntu) |
Invalid
|
Undecided
|
Unassigned |
Bug Description
NOTE: This is an issue with the package xserver-
If I collect call-stacks with linux perf utility, then the Xorg process will not show symbols.
Everything is listed as [Unknown]
Installing the xserver-
But after installing this dbg package, the symbols are still missing.
bram@ubuntu64:~$ dpkg --list | grep xserver-xorg-core
ii xserver-xorg-core 2:1.18.4-0ubuntu0.7 amd64 Xorg X server - core server
ii xserver-
bram@ubuntu64:~$ lsb_release -rd
Description: Ubuntu 16.04.3 LTS
Release: 16.04
If I record samples with perf, and then view the report, I expect symbol information to show up in the report, provided the xserver-
Instead, I only see [Unknown] listed for the Xorg process.
My guess is the buildid got out of sync, perhaps?
bram@ubuntu64:~$ dpkg -L xserver-
/.
/usr
/usr/share
/usr/share/doc
/usr/share/
/usr/share/
/usr/lib
/usr/lib/debug
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/share/
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xserver-
ProcVersionSign
Uname: Linux 4.4.0-98-generic x86_64
NonfreeKernelMo
.proc.driver.
.proc.driver.
.proc.driver.
NVRM version: NVIDIA UNIX x86_64 Kernel Module 384.90 Tue Sep 19 19:17:35 PDT 2017
GCC version: gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~
.proc.driver.
Your system is not currently configured to drive a VGA console
on the primary VGA device. The NVIDIA Linux graphics driver
requires the use of a text-mode VGA console. Use of other console
drivers including, but not limited to, vesafb, may result in
corruption and stability problems, and is not supported.
.tmp.unity_
ApportVersion: 2.20.1-0ubuntu2.13
Architecture: amd64
CompizPlugins: No value set for `/apps/
CompositorRunning: compiz
CompositorUnred
CompositorUnred
Date: Tue Nov 21 13:00:18 2017
DistUpgraded: 2016-08-28 14:14:15,661 DEBUG icon theme changed, re-reading
DistroCodename: xenial
DistroVariant: ubuntu
ExtraDebuggingI
GraphicsCard:
NVIDIA Corporation GM107 [GeForce GTX 750 Ti] [10de:1380] (rev a2) (prog-if 00 [VGA controller])
Subsystem: ZOTAC International (MCO) Ltd. GM107 [GeForce GTX 750 Ti] [19da:2291]
InstallationDate: Installed on 2015-06-06 (899 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: ASUS All Series
ProcEnviron:
LANGUAGE=en_CA:en
TERM=xterm-
PATH=(custom, no user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=
SourcePackage: xorg-server
UpgradeStatus: Upgraded to xenial on 2016-08-28 (449 days ago)
dmi.bios.date: 06/02/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2108
dmi.board.
dmi.board.name: H87M-PLUS
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.
dmi.modalias: dmi:bvnAmerican
dmi.product.name: All Series
dmi.product.
dmi.sys.vendor: ASUS
version.compiz: compiz 1:0.9.12.
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.76-
version.
version.
version.
version.
version.
version.
version.
version.
version.
xserver.bootTime: Tue Nov 21 12:39:46 2017
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
xserver.version: 2:1.18.4-0ubuntu0.7
per report showing [Unknown] for Xorg process, even though xserver- xorg-core- dbg is installed.