Arch Linux User Repository

Hi community, I did take over maintenance for this package, since I need it for work. It's my first package here on the AUR, so please be forgiving for any mistakes.

If there is a problem with the checksums, flag the package out-of-date at the top of the page. I'll update the PKGBUILD as soon as possible.

@ogghi Yes, I wrote that post. It just seems that the Linux client is not a high priority for Cisco. Perhaps if enough people with access to the Cisco Community interact with that post, it will be noticed by the relevant people.

Actually the issue it exactly this: https://community.cisco.com/t5/webex-meetings-and-webex-app/webex-on-arch-linux-libxml2-related-crash/m-p/5290934

Howdy,

I have this installed, but it crashes when it tries to initialize phone services. Any idea here?

Thank you so much @treep42 (https://aur.archlinux.org/packages/webex-bin#comment-1025249):

env QT_QPA_PLATFORM=xcb /opt/Webex/bin/CiscoCollabHost

fixed this crashing issue for me:

• the error:

/opt/Webex/bin/CiscoCollabHost

# output from `journalctl -f`:
Jul 07 14:41:22 K systemd[1206]: Started Webex.
...
<@webex gui: click 'open personal room' -> click mute/unmute mic -> webex crashes>
...
Jul 07 14:41:31 K CiscoCollabHost[142901]: Wx: X error received: type 0, serial 9, error_code 3, request_code 12, minor_code 0
Jul 07 14:41:31 K CiscoCollabHost[142901]: Wx: X error received: type 0, serial 10, error_code 3, request_code 8, minor_code 0
...
Jul 07 14:41:41 K kwin_wayland_wrapper[1267]: error in client communication (pid 142651)
Jul 07 14:41:41 K systemd-coredump[142941]: Process 142651 (CiscoCollabHost) of user 1000 terminated abnormally with signal 6/ABRT, processing...
Jul 07 14:41:41 K systemd[1]: Started Process Core Dump (PID 142941/UID 0).
Jul 07 14:41:41 K systemd[1]: Started Pass systemd-coredump journal entries to relevant user for potential DrKonqi handling.
Jul 07 14:41:50 K systemd-coredump[142942]: [🡕] Process 142651 (CiscoCollabHost) of user 1000 dumped core.

                                            Stack trace of thread 142651:
                                            #0  0x00007fcc0963374c n/a (libc.so.6 + 0x9774c)
                                            #1  0x00007fcc095d9dc0 raise (libc.so.6 + 0x3ddc0)
                                            #2  0x00007fcc095c157a abort (libc.so.6 + 0x2557a)
                                            #3  0x00007fcbd4292aab _ZNK14QMessageLogger5fatalEPKcz (libQt5Core.so.5 + 0x92aab)
                                            #4  0x00007fcb78472fe8 _ZNK15QtWaylandClient15QWaylandDisplay10checkErrorEv (libQt5WaylandClient.so.5 + 0x72fe8)
                                            #5  0x00007fcb78473d64 _ZN15QtWaylandClient15QWaylandDisplay13flushRequestsEv (libQt5WaylandClient.so.5 + 0x73d64)
                                            #6  0x00007fcbd44fb119 n/a (libQt5Core.so.5 + 0x2fb119)
                                            #7  0x00007fcbd45203eb _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x3203eb)
                                            #8  0x00007fcbd44bc49a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2bc49a)
                                            #9  0x00007fcbd44c5c97 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2c5c97)
                                            #10 0x00007fcbfb51915e _ZN17ApplicationRunner14runApplicationERK17ApplicationConfig (libspark-windows-desktop-ui.so + 0x511915e)
                                            #11 0x00007fcbf99ff385 _ZN4Main21sparkLinuxDesktopMainEiPPc (libspark-windows-desktop-ui.so + 0x35ff385)
                                            #12 0x00007fcbf9a36caa WebexEntryPoint (libspark-windows-desktop-ui.so + 0x3636caa)
                                            #13 0x00007fcc09201468 WebexEntryPoint (libWebexAppLoader.so + 0x1468)
                                            #14 0x000055d46b600ce6 n/a (/opt/Webex/bin/CiscoCollabHost + 0xce6)
                                            #15 0x00007fcc095c36b5 n/a (libc.so.6 + 0x276b5)
                                            #16 0x00007fcc095c3769 __libc_start_main (libc.so.6 + 0x27769)
                                            #17 0x000055d46b600eaa n/a (/opt/Webex/bin/CiscoCollabHost + 0xeaa)

• workaround:

env QT_QPA_PLATFORM=xcb /opt/Webex/bin/CiscoCollabHost

# output from `journalctl -f`:
Jul 07 14:46:49 K kwin_wayland[1267]: kf.windowsystem: static bool KX11Extras::mapViewport() may only be used on X11
<@webex gui: click 'open personal webex room' -> click mute/unmute mic -> open room -> everything works -> no error>

• hth:

uname -a
Linux K 6.15.4-arch2-1 #1 SMP PREEMPT_DYNAMIC Fri, 27 Jun 2025 16:35:07 +0000 x86_64 GNU/Linux

$DESKTOP_SESSION = plasma
$XDG_CURRENT_DESKTOP = KDE
$XDG_SESSION_TYPE = wayland
$GDMSESSION = plasma

ldd /opt/Webex/bin/CiscoCollabHost
        linux-vdso.so.1 (0x00007f9d9200a000)
        libdl.so.2 => /usr/lib/libdl.so.2 (0x00007f9d91fb8000)
        libpthread.so.0 => /usr/lib/libpthread.so.0 (0x00007f9d91fb3000)
        libc.so.6 => /usr/lib/libc.so.6 (0x00007f9d91a10000)
        /lib64/ld-linux-x86-64.so.2 => /usr/lib64/ld-linux-x86-64.so.2 (0x00007f9d9200c000)

The current PKGBUILD can only uses the latest webex.deb, regardless the version it is pointing to. A new version - 45.6.1.32593 - was released. Therefore the PKGBUILD is broken

ERROR: One or more files did not pass the validity check! -> error making: webex-bin-exit status 1 -> Failed to install the following packages. Manual intervention is required: webex-bin - exit status 1

Hello, any workaround for this? Is this still maintained?

@pvtri96, could this be related?

With i3 window manager installed or other tiled window managers, you can experience some odd behavior with the reply or edit message windows. Such as windows intermittently disappearing, windows not positioned correctly on screen, windows may appear floating on top of the app.

You can apply some workarounds to prevent the windows disappearing:

• For i3 window managers, in the i3-msg config file set "focus_follows_mouse no". This will apply to focus on all apps.
• For KDE, in the KDE 3.5 Control Center, select Desktop > Window Behavior, click the Advanced tab, and un-check Hide utility windows for inactive applications.

Hi, are there any follow-up fixes on the issue. I followed the workaround to force x11 session for login then switch back to normal wayland session afterward to avoid the crash. However, on the wayland session, whenever I try to reply/edit a message or start a thread. Webex always show black screen which prevent me from further using the app.

FYI, here is my system information:

• OS: Arch Linux (6.14.6-arch1-1 (64-bit))
• DE: KDE Plasma (Wayland/X11)
• libxml2: 2.14.3
• Webex Version: 45.2.0.31846-1

For the "blank screen after trying to login" problem on wayland: using env -u WAYLAND_DISPLAY didn't help in my case - webex was still running in wayland. But using env QT_QPA_PLATFORM=xcb to force x11 for a QT application fixed it for me.

@moritzo: pacman shows core/libxml2 2.14.2-2 and further extra/libxml2-legacy 2.13.8-1 Webex version is 45.2.0.31846 ("Help > About" section of the client), yes.

I get the same crash via libxml2 that you reported and the same core dumps reported by @dasarne, but only when running the client with X11. According to my logs, it must be something libxml2-related, I agree.

Still, when running with Wayland, the client does not crash for me, I can call others, I can use the voice mail service and so on. The client is running for hours now without any crash. I observed the same behavior on another machine, so it is kind of "reproducible" at least on the configuration(s) I am using. Really strange.