Hi there, I am getting the same problem with 6.26/04 time root.exe -b -n -q; time root.exe -l -n -q-q ------------------------------------------------------------------ | Welcome to ROOT 6.26/04 https://root.cern | | (c) 1995-2021, The ROOT Team; conception: R. Brun, …

Good news! I just recompiled root package (from github) upon commenting out these two lines in my .bashrc: #export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib64 #export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/lib64 Compilation runs amazingly fast and root.exe starts up very fast now. Thank you all for …

systemctl stop NetworkManager.service systemctl status NetworkManager.service … systemd[1]: NetworkManager.service: Deactivated successfully. systemd[1]: Stopped Network Manager. I have disconnected the ethernet cable as well. time root.exe -b -n -q; time root.exe -b -n -q; | Welcome to ROOT 6…

[image] eguiraud: ls -ld /usr/lib /usr/lib64. By the way: ls -ld /usr/lib /usr/lib64 dr-xr-xr-x. 113 root root 45056 Jun 27 15:31 /usr/lib dr-xr-xr-x. 414 root root 450560 Jun 27 15:31 /usr/lib64

My Fedora 35 system is not btrfs: lsblk -o NAME,KNAME,FSTYPE,MOUNTPOINT,SIZE NAME KNAME FSTYPE MOUNTPOINT SIZE sda sda 0B sdb sdb 0B sdc sdc 0B sdd sdd 0B sde sde …

During these 4 minutes, top shows these processes in the attached pictures. [Screenshot from 2022-06-28 21-08-09] [Screenshot from 2022-06-28 21-07-55]

I have Fedora 35 OS installed on my other desktop (DELL) and root works perfectly, pretty fast: [lgemedia@yeager ~]$ time root.exe -b -n -q; time root.exe -b -n -q; | Welcome to ROOT 6.26/02 https://root.cern | | (c) 1995-2021, The ROOT Team; conception: R. Brun, F. Rademake…

Given that top output, to get a stacktrace that tells us what ROOT is up to, could you please try to do gdb -p PID (where PID is the PID of root.exe as reported by top) and then backtrace at the gdb prompt? You can then also give a continue, then CTRL-C, and a backtrace again, a few times, to gather…

Hi Enrico, Here it is: ps -A ... 8745 pts/2 00:00:00 root 8746 pts/2 00:00:00 root.exe [lgemedia@zabriskie ~]$ gdb -p 8746 GNU gdb (GDB) Fedora 12.1-1.fc35 Copyright (C) 2022 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is…

Alright, getting closer! So, from the manual sampling you did, would you say that most of those 4-6 minutes are wasted in AddHostArguments (then the last 4 frames in the stack are calls to libc)?

That sounds weird. Is there any explanation for it?

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Slow startup

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OtaviusDecius June 30, 2022, 7:35pm 18

Yes, I would.

Slow startup revisited

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