steamwebhelper fails with SIGILL. Usually it happens after starting a game (presumably through XWayland), but it's not quite stable and reproducible
steam --reset
UID: 1000 (misha) GID: 1000 (misha) Signal: 4 (ILL) Timestamp: Thu 2025-04-10 01:36:13 +07 (15min ago) Command Line: $'/home/misha/.local/share/Steam/ubuntu12_64/steamwebhelper --type=renderer --user-agent-product=Valve Steam Client --user-data-dir=/home/misha/.local/share/Steam/config/htmlcache --crashpad-handler-pid=12192 --buildid=1743554648 --steamid=0 --lang=en-US --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --time-ticks-at-unix-epoch=-1744217744213504 --launch-time-ticks=5966275427 --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,6428363707767223941,16286191413689322069,262144 --enable-features=PlatformHEVCDecoderSupport --disable-features=BackForwardCache,DcheckIsFatal,DocumentPictureInPictureAPI,SpareRendererForSitePerProcess,ValveFFmpegAllowLowDelayHEVC --variations-seed-version --log-file=/home/misha/.local/share/Steam/logs/cef_log.txt' Executable: /home/misha/.local/share/Steam/ubuntu12_64/steamwebhelper Control Group: /user.slice/user-1000.slice/session-1.scope Unit: session-1.scope Slice: user-1000.slice Session: 1 Owner UID: 1000 (misha) Boot ID: 78f31b29b9dd4b5d8be9fe803fc4289a Machine ID: 8500c85f9bf048548807301eccfb2f10 Hostname: gamepc Storage: /var/lib/systemd/coredump/core.steamwebhelper.1000.78f31b29b9dd4b5d8be9fe803fc4289a.12293.1744223773000000.zst (present) Size on Disk: 69.5M Message: Process 12293 (steamwebhelper) of user 1000 dumped core. Module /run/host/usr/lib64/libunistring.so.5.1.0 without build-id. Module /run/host/usr/lib64/libunistring.so.5.1.0 Module /run/host/usr/lib64/libidn2.so.0.4.0 without build-id. Module /run/host/usr/lib64/libidn2.so.0.4.0 Module /run/host/usr/lib64/libzstd.so.1.5.6 without build-id. Module /run/host/usr/lib64/libzstd.so.1.5.6 Module /run/host/usr/lib64/libxcb-shm.so.0.0.0 without build-id. Module /run/host/usr/lib64/libxcb-shm.so.0.0.0 Module /run/host/usr/lib64/libXdmcp.so.6.0.0 without build-id. Module /run/host/usr/lib64/libXdmcp.so.6.0.0 Module /run/host/usr/lib64/libXau.so.6.0.0 without build-id. Module /run/host/usr/lib64/libXau.so.6.0.0 Module /run/host/usr/lib64/libGLX.so.0.0.0 without build-id. Module /run/host/usr/lib64/libGLX.so.0.0.0 Module /run/host/usr/lib64/libGLdispatch.so.0.0.0 without build-id. Module /run/host/usr/lib64/libGLdispatch.so.0.0.0 Module /run/host/usr/lib64/libresolv.so.2 without build-id. Module /run/host/usr/lib64/libresolv.so.2 Module /run/host/usr/lib64/libz.so.1.3.1 without build-id. Module /run/host/usr/lib64/libz.so.1.3.1 Module /run/host/usr/lib64/libxcb.so.1.1.0 without build-id. Module /run/host/usr/lib64/libxcb.so.1.1.0 Module /run/host/usr/lib64/libexpat.so.1.10.2 without build-id. Module /run/host/usr/lib64/libexpat.so.1.10.2 Module /run/host/usr/lib64/libc.so.6 without build-id. Module /run/host/usr/lib64/libc.so.6 Module /run/host/usr/lib64/libgbm.so.1.0.0 without build-id. Module /run/host/usr/lib64/libgbm.so.1.0.0 Module /run/host/usr/lib64/libXfixes.so.3.1.0 without build-id. Module /run/host/usr/lib64/libXfixes.so.3.1.0 Module /run/host/usr/lib64/libm.so.6 without build-id. Module /run/host/usr/lib64/libm.so.6 Module /run/host/usr/lib64/libX11.so.6.4.0 without build-id. Module /run/host/usr/lib64/libX11.so.6.4.0 Module /run/host/usr/lib64/libdrm.so.2.124.0 without build-id. Module /run/host/usr/lib64/libdrm.so.2.124.0 Module /run/host/usr/lib64/libpthread.so.0 without build-id. Module /run/host/usr/lib64/libGL.so.1.7.0 without build-id. Module /run/host/usr/lib64/libGL.so.1.7.0 Module /run/host/usr/lib64/libXext.so.6.4.0 without build-id. Module /run/host/usr/lib64/libXext.so.6.4.0 Module /run/host/usr/lib64/librt.so.1 without build-id. Module /run/host/usr/lib64/libdl.so.2 without build-id. Module ld-linux-x86-64.so.2 without build-id. Stack trace of thread 1: #0 0x00007fd466ecac2f n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x66cac2f) #1 0x00007fd466eca6fb n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x66ca6fb) #2 0x00007fd466ecaca9 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x66caca9) #3 0x00007fd4631b3d7a n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x29b3d7a) #4 0x00007fd4672aeba1 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x6aaeba1) #5 0x00007fd4672bd33b n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x6abd33b) #6 0x00007fd4672aa8b5 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x6aaa8b5) #7 0x00007fd463125c6f n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x2925c6f) #8 0x00007fd4672cf32f n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x6acf32f) #9 0x00007fd466f1acdf n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x671acdf) #10 0x00007fd466f3bbf6 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x673bbf6) #11 0x00007fd466ed1b1c n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x66d1b1c) #12 0x00007fd466f3c391 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x673c391) #13 0x00007fd466efc32e n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x66fc32e) #14 0x00007fd46cb6b7c4 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0xc36b7c4) #15 0x00007fd4669ac065 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x61ac065) #16 0x00007fd4669ac779 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x61ac779) #17 0x00007fd4669ad845 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x61ad845) #18 0x00007fd4669ab6d0 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x61ab6d0) #19 0x00007fd4630ecd0c n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x28ecd0c) #20 0x00007fd4630d5a77 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x28d5a77) #21 0x00007fd463044b11 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x2844b11) #22 0x0000555d2703e95b n/a (/home/misha/.local/share/Steam/ubuntu12_64/steamwebhelper + 0x7d895b) ELF object binary architecture: AMD x86-64
A few weeks ago, after some updates (I guess), steam web begins to restart after faults. That's much better
Nothing extracted yet.
Your system information
Please describe your issue in as much detail as possible:
steamwebhelper fails with SIGILL. Usually it happens after starting a game (presumably through XWayland), but it's not quite stable and reproducible
Steps for reproducing this issue:
Additional information
steam --reset, but it didn't helpcoredumpctl
PID: 12293 (steamwebhelper)UID: 1000 (misha)
GID: 1000 (misha)
Signal: 4 (ILL)
Timestamp: Thu 2025-04-10 01:36:13 +07 (15min ago)
Command Line: $'/home/misha/.local/share/Steam/ubuntu12_64/steamwebhelper --type=renderer --user-agent-product=Valve Steam Client --user-data-dir=/home/misha/.local/share/Steam/config/htmlcache --crashpad-handler-pid=12192 --buildid=1743554648 --steamid=0 --lang=en-US --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --time-ticks-at-unix-epoch=-1744217744213504 --launch-time-ticks=5966275427 --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,6428363707767223941,16286191413689322069,262144 --enable-features=PlatformHEVCDecoderSupport --disable-features=BackForwardCache,DcheckIsFatal,DocumentPictureInPictureAPI,SpareRendererForSitePerProcess,ValveFFmpegAllowLowDelayHEVC --variations-seed-version --log-file=/home/misha/.local/share/Steam/logs/cef_log.txt'
Executable: /home/misha/.local/share/Steam/ubuntu12_64/steamwebhelper
Control Group: /user.slice/user-1000.slice/session-1.scope
Unit: session-1.scope
Slice: user-1000.slice
Session: 1
Owner UID: 1000 (misha)
Boot ID: 78f31b29b9dd4b5d8be9fe803fc4289a
Machine ID: 8500c85f9bf048548807301eccfb2f10
Hostname: gamepc
Storage: /var/lib/systemd/coredump/core.steamwebhelper.1000.78f31b29b9dd4b5d8be9fe803fc4289a.12293.1744223773000000.zst (present)
Size on Disk: 69.5M
Message: Process 12293 (steamwebhelper) of user 1000 dumped core.
Module /run/host/usr/lib64/libunistring.so.5.1.0 without build-id.
Module /run/host/usr/lib64/libunistring.so.5.1.0
Module /run/host/usr/lib64/libidn2.so.0.4.0 without build-id.
Module /run/host/usr/lib64/libidn2.so.0.4.0
Module /run/host/usr/lib64/libzstd.so.1.5.6 without build-id.
Module /run/host/usr/lib64/libzstd.so.1.5.6
Module /run/host/usr/lib64/libxcb-shm.so.0.0.0 without build-id.
Module /run/host/usr/lib64/libxcb-shm.so.0.0.0
Module /run/host/usr/lib64/libXdmcp.so.6.0.0 without build-id.
Module /run/host/usr/lib64/libXdmcp.so.6.0.0
Module /run/host/usr/lib64/libXau.so.6.0.0 without build-id.
Module /run/host/usr/lib64/libXau.so.6.0.0
Module /run/host/usr/lib64/libGLX.so.0.0.0 without build-id.
Module /run/host/usr/lib64/libGLX.so.0.0.0
Module /run/host/usr/lib64/libGLdispatch.so.0.0.0 without build-id.
Module /run/host/usr/lib64/libGLdispatch.so.0.0.0
Module /run/host/usr/lib64/libresolv.so.2 without build-id.
Module /run/host/usr/lib64/libresolv.so.2
Module /run/host/usr/lib64/libz.so.1.3.1 without build-id.
Module /run/host/usr/lib64/libz.so.1.3.1
Module /run/host/usr/lib64/libxcb.so.1.1.0 without build-id.
Module /run/host/usr/lib64/libxcb.so.1.1.0
Module /run/host/usr/lib64/libexpat.so.1.10.2 without build-id.
Module /run/host/usr/lib64/libexpat.so.1.10.2
Module /run/host/usr/lib64/libc.so.6 without build-id.
Module /run/host/usr/lib64/libc.so.6
Module /run/host/usr/lib64/libgbm.so.1.0.0 without build-id.
Module /run/host/usr/lib64/libgbm.so.1.0.0
Module /run/host/usr/lib64/libXfixes.so.3.1.0 without build-id.
Module /run/host/usr/lib64/libXfixes.so.3.1.0
Module /run/host/usr/lib64/libm.so.6 without build-id.
Module /run/host/usr/lib64/libm.so.6
Module /run/host/usr/lib64/libX11.so.6.4.0 without build-id.
Module /run/host/usr/lib64/libX11.so.6.4.0
Module /run/host/usr/lib64/libdrm.so.2.124.0 without build-id.
Module /run/host/usr/lib64/libdrm.so.2.124.0
Module /run/host/usr/lib64/libpthread.so.0 without build-id.
Module /run/host/usr/lib64/libGL.so.1.7.0 without build-id.
Module /run/host/usr/lib64/libGL.so.1.7.0
Module /run/host/usr/lib64/libXext.so.6.4.0 without build-id.
Module /run/host/usr/lib64/libXext.so.6.4.0
Module /run/host/usr/lib64/librt.so.1 without build-id.
Module /run/host/usr/lib64/libdl.so.2 without build-id.
Module ld-linux-x86-64.so.2 without build-id.
Stack trace of thread 1:
#0 0x00007fd466ecac2f n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x66cac2f)
#1 0x00007fd466eca6fb n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x66ca6fb)
#2 0x00007fd466ecaca9 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x66caca9)
#3 0x00007fd4631b3d7a n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x29b3d7a)
#4 0x00007fd4672aeba1 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x6aaeba1)
#5 0x00007fd4672bd33b n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x6abd33b)
#6 0x00007fd4672aa8b5 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x6aaa8b5)
#7 0x00007fd463125c6f n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x2925c6f)
#8 0x00007fd4672cf32f n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x6acf32f)
#9 0x00007fd466f1acdf n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x671acdf)
#10 0x00007fd466f3bbf6 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x673bbf6)
#11 0x00007fd466ed1b1c n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x66d1b1c)
#12 0x00007fd466f3c391 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x673c391)
#13 0x00007fd466efc32e n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x66fc32e)
#14 0x00007fd46cb6b7c4 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0xc36b7c4)
#15 0x00007fd4669ac065 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x61ac065)
#16 0x00007fd4669ac779 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x61ac779)
#17 0x00007fd4669ad845 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x61ad845)
#18 0x00007fd4669ab6d0 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x61ab6d0)
#19 0x00007fd4630ecd0c n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x28ecd0c)
#20 0x00007fd4630d5a77 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x28d5a77)
#21 0x00007fd463044b11 n/a (/home/misha/.local/share/Steam/ubuntu12_64/libcef.so + 0x2844b11)
#22 0x0000555d2703e95b n/a (/home/misha/.local/share/Steam/ubuntu12_64/steamwebhelper + 0x7d895b)
ELF object binary architecture: AMD x86-64