users August 2020

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114 participants
105 discussions

librepo: corrupted double-linked list
by Sam Varshavchik 10 Aug '20

10 Aug '20

Something in the latest bunch of updates is triggering an rpm bug, or rather, a librepo bug. I ran a dnf upgrade on a bunch of machines. The first one segfaulted in the cleanup phase. While I was pondering what to do about it, maybe a cosmic ray hit an unfortunate capacitor in one of the RAM sticks perhaps, another one splurted this out: Transaction Summary ================================================================================ Install 5 Packages Upgrade 159 Packages Remove 4 Packages Total download size: 514 M Is this ok [y/N]: y Downloading Packages: corrupted double-linked list Aborted (core dumped) A core dump showed this: Stack trace of thread 71232: #0 0x00007f401e6bf9e5 raise (libc.so.6 + 0x3c9e5) #1 0x00007f401e6a8895 abort (libc.so.6 + 0x25895) #2 0x00007f401e703857 __libc_message (libc.so.6 + 0x80857) #3 0x00007f401e70ad7c malloc_printerr (libc.so.6 + 0x87d7c) #4 0x00007f401e70babc unlink_chunk.constprop.0 (libc.so.6 + 0x88abc) #5 0x00007f401e70e3aa _int_malloc (libc.so.6 + 0x8b3aa) #6 0x00007f401e710235 __libc_calloc (libc.so.6 + 0x8d235) #7 0x00007f4016b45f85 lr_malloc0 (librepo.so.0 + 0x1ef85) #8 0x00007f4016b37e55 lr_downloadtarget_new (librepo.so.0 + 0x10e55) #9 0x00007f4016b40842 lr_download_packages (librepo.so.0 + 0x19842) #10 0x00007f4016ca32ea _ZN6libdnf13PackageTarget16downloadPackagesERSt6vectorIPS0_SaIS2_EEb (libdnf.so.2 + 0x14a2ea) #11 0x00007f40151ed986 _wrap_PackageTarget_downloadPackages (_repo.so + 0x1e986) This strongly suggests a bone-fide bug. A rerun of 'dnf upgrade' succeeded without any fanfare. I'm fully updated out, but perhaps someone who has a bunch of updates to install could run dnf upgrade under valgrind, and see what shakes out.

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Missing a CPU after the 5.7 kernels??
by Michael D. Setzer II 09 Aug '20

09 Aug '20

Have a old quad core system that I've had since Fedora 10 I believe. Recently, upgraded to Fedora 31, and it was still seeing all 4 cores. Run BOINC, and recently notice that it was only showing 3 cpus running? Machine is one of the 5 computers I have at house, but is headless and access remotely via VNC. Other systems all show the right number of cpus after updates, so not sure what might cause the issue. The results of lshw-gui shows the 4 cores, but the dmesg shows only CPU 0 - 2. Didn't notice this until the 5.7 kernel change, but not sure exactly which update caused the change. Any ideals what could fix this, or how to get specific reasons it might have happened. Other machines are newer, some dual and one other quad core. So, just this one?? Info from lshw-gui and dmesg product: AMD Phenom(tm) II X4 955 Processor vendor: Advanced Micro Devices [AMD] bus info: cpu@0 version: AMD Phenom(tm) II X4 955 Processor serial: To Be Filled By O.E.M. slot: AM2 size: 3200MHz capacity: 3200MHz width: 64 bits clock: 200MHz capabilities: 64bits extensions (x86-64), mathematical co-processor, FPU exceptions reporting, wp, virtual mode extensions, debugging extensions, page size extensions, time stamp counter, model-specific registers, 4GB+ memory addressing (Physical Address Extension), machine check exceptions, compare and exchange 8-byte, on-chip advanced programmable interrupt controller (APIC), fast system calls, memory type range registers, page global enable, machine check architecture, conditional move instruction, page attribute table, 36-bit page size extensions, clflush, multimedia extensions (MMX), fast floating point save/restore, streaming SIMD extensions (SSE), streaming SIMD extensions (SSE2), HyperThreading, fast system calls, no-execute bit (NX), multimedia extensions (MMXExt), fxsr_opt, pdpe1gb, rdtscp, 64bits extensions (x86-64), multimedia extensions (3DNow!Ext), multimedia extensions (3DNow!), constant_tsc, rep_good, nopl, nonstop_tsc, cpuid, extd_apicid, pni, monitor, cx16, popcnt, lahf_lm, cmp_legacy, svm, extapic, cr8_legacy, abm, sse4a, misalignsse, 3dnowprefetch, osvw, ibs, skinit, wdt, hw_pstate, vmmcall, npt, lbrv, svm_lock, nrip_save, CPU Frequency scaling configuration: cores: 4 enabledcores: 4 dmesg | grep -i CPU [ 0.092368] smpboot: Allowing 6 CPUs, 3 hotplug CPUs [ 0.097494] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:6 nr_cpu_ids:6 nr_node_ids:1 [ 0.098234] percpu: Embedded 55 pages/cpu s188416 r8192 d28672 u262144 [ 0.098239] pcpu-alloc: s188416 r8192 d28672 u262144 alloc=1*2097152 [ 0.098240] pcpu-alloc: [0] 0 1 2 3 4 5 - - [ 0.155390] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 [ 0.166771] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=6. [ 0.166773] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=6 [ 0.281801] smpboot: CPU0: AMD Phenom(tm) II X4 955 Processor (family: 0x10, model: 0x4, stepping: 0x2) [ 0.282522] smp: Bringing up secondary CPUs ... [ 0.282522] .... node #0, CPUs: #1 #2 [ 0.285583] smp: Brought up 1 node, 3 CPUs [ 0.288816] cpuidle: using governor menu [ 0.289646] mtrr: your CPUs had inconsistent fixed MTRR settings [ 0.289646] mtrr: probably your BIOS does not setup all CPUs. [ 0.487753] cryptd: max_cpu_qlen set to 1000 [ 1.487099] microcode: CPU0: patch_level=0x010000db [ 1.487103] microcode: CPU1: patch_level=0x010000db [ 1.487108] microcode: CPU2: patch_level=0x010000db [ 2.775723] [drm] GART: num cpu pages 131072, num gpu pages 131072 [ 2.792713] radeon 0000:01:05.0: fence driver on ring 0 use gpu addr 0x00000000a0000c00 and cpu addr 0x(____ptrval____) [ 2.794881] radeon 0000:01:05.0: fence driver on ring 5 use gpu addr 0x00000000c0056038 and cpu addr 0x(____ptrval____) [ 9.987542] acpi_cpufreq: overriding BIOS provided _PSD data [ 10.196935] k10temp 0000:00:18.3: unreliable CPU thermal sensor; monitoring disabled Thanks. +------------------------------------------------------------+ Michael D. Setzer II - Computer Science Instructor (Retired) mailto:mikes@guam.net mailto:msetzerii@gmail.com Guam - Where America's Day Begins G4L Disk Imaging Project maintainer http://sourceforge.net/projects/g4l/ +------------------------------------------------------------+

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SDK for wpf and winforms with dotnet
by Cătălin George Feștilă 08 Aug '20

08 Aug '20

Hi, Can I use these features WinForms and WPF on Fedora dotnet? My project creates this ... [mythcat@desk WinGUI]$ cat WinGUI.csproj <Project Sdk="Microsoft.NET.Sdk.WindowsDesktop"> <PropertyGroup> <OutputType>WinExe</OutputType> <TargetFramework>netcoreapp3.1</TargetFramework> <UseWindowsForms>true</UseWindowsForms> </PropertyGroup> </Project> [mythcat@desk WinGUI]$ dotnet --list-sdks 3.1.106 [/usr/lib64/dotnet/sdk] [mythcat@desk WinGUI]$ dotnet --list-runtimes Microsoft.AspNetCore.App 3.1.6 [/usr/lib64/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.NETCore.App 3.1.6 [/usr/lib64/dotnet/shared/Microsoft.NETCore.App] I install these packages: [mythcat@desk ~]$ sudo dnf install mono-complete [mythcat@desk WinGUI]$ sudo dnf install dotnet-sdk-3.1 Last metadata expiration check: 0:11:37 ago on Sat 08 Aug 2020 07:40:41 PM EEST. Package dotnet-sdk-3.1-3.1.106-1.fc32.x86_64 is already installed. Dependencies resolved. Nothing to do. Complete! [mythcat@desk WinGUI]$ sudo dnf install aspnetcore-runtime-3.1 Last metadata expiration check: 0:12:00 ago on Sat 08 Aug 2020 07:40:41 PM EEST. Package aspnetcore-runtime-3.1-3.1.6-1.fc32.x86_64 is already installed. Dependencies resolved. Nothing to do. Complete! [mythcat@desk WinGUI]$ sudo dnf install dotnet-runtime-3.1 Last metadata expiration check: 0:12:20 ago on Sat 08 Aug 2020 07:40:41 PM EEST. Package dotnet-runtime-3.1-3.1.6-1.fc32.x86_64 is already installed. Dependencies resolved. Nothing to do. Complete!

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Dnf update duplcates some repo checks
by Patrick O'Callaghan 08 Aug '20

08 Aug '20

This is an annoyance rather than a problem, but it's been happening for over a year and I finally decided to ask about it. This is a snippet from my usual daily 'dnf update' run (with whitespace reduced for legibility): ... Fedora Modular 32 - x86_64 52 kB/s | 22 kB 00:00 Fedora Modular 32 - x86_64 - Updates 51 kB/s | 22 kB 00:00 Fedora Modular 32 - x86_64 - Updates 279 kB/s | 272 kB 00:00 <-- duplicate Fedora 32 - x86_64 - Updates 38 kB/s | 16 kB 00:00 Fedora 32 - x86_64 - Updates 2.8 MB/s | 5.6 MB 00:01 <-- duplicate Fedora 32 - x86_64 53 kB/s | 23 kB 00:00 google-chrome 16 kB/s | 1.3 kB 00:00 google-chrome 32 kB/s | 3.6 kB 00:00 <-- duplicate ... None of those repos are duplicated in /etc/yum.repos.d, nor is there anything wrong with the repo files themselves, e.g.: $ cat /etc/yum.repos.d/google-chrome.repo [google-chrome] name=google-chrome baseurl=http://dl.google.com/linux/chrome/rpm/stable/x86_64 enabled=1 gpgcheck=1 gpgkey=https://dl.google.com/linux/linux_signing_key.pub So what's going on? Is this happening to everyone or is it just me? poc

2 4

udev change?
by Tom Horsley 08 Aug '20

08 Aug '20

I've got udev scripts that were working until I installed an update today. Way down at the end of a chain of scripts udev starts, it sets DISPLAY and runs a program (RepetierHost) when I plug in my 3d printer USB cable. Did something change in udev to make it impossible to start X11 programs now? It does run the script which invokes mono to execute the .exe file, and that script produces zero errors, I just don't have the program pop up on my screen any longer. If I run the RepetierHost script from an xterm, it works fine and the program starts up no problem. This web page describes the scripts in detail: https://tomhorsley.com/hardware/solidoodle/solidoodle-udev.html

1 2

Problem reporting.
by Ger van Dijck 08 Aug '20

08 Aug '20

Hai all, When trying to report an error I get the message "https://retrace.fedorsproject.org/faf failed to upload userreport to the server". So I have to reconfigure with the app problem reporting the correct name of the server. Please inform me. Regards, Ger van Dijck. -- Gemaakt met Opera's e-mailprogramma: http://www.opera.com/mail/

1 0

Now listed the 4 cores.
by Michael D. Setzer II 08 Aug '20

08 Aug '20

[ 0.091889] smpboot: Allowing 6 CPUs, 2 hotplug CPUs [ 0.097017] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:6 nr_cpu_ids:6 nr_node_ids:1 [ 0.097749] percpu: Embedded 55 pages/cpu s188416 r8192 d28672 u262144 [ 0.097754] pcpu-alloc: s188416 r8192 d28672 u262144 alloc=1*2097152 [ 0.097755] pcpu-alloc: [0] 0 1 2 3 4 5 - - [ 0.155120] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=6, Nodes=1 [ 0.166501] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=6. [ 0.166504] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=6 [ 0.281494] smpboot: CPU0: AMD Phenom(tm) II X4 955 Processor (family: 0x10, model: 0x4, stepping: 0x2) [ 0.282248] smp: Bringing up secondary CPUs ... [ 0.282248] .... node #0, CPUs: #1 #2 #3 [ 0.287308] smp: Brought up 1 node, 4 CPUs [ 0.290681] cpuidle: using governor menu [ 0.291338] mtrr: your CPUs had inconsistent fixed MTRR settings [ 0.291338] mtrr: probably your BIOS does not setup all CPUs. [ 0.489473] cryptd: max_cpu_qlen set to 1000 [ 1.435779] microcode: CPU0: patch_level=0x010000db [ 1.435786] microcode: CPU1: patch_level=0x010000db [ 1.435792] microcode: CPU2: patch_level=0x010000db [ 1.435796] microcode: CPU3: patch_level=0x010000db [ 2.628458] [drm] GART: num cpu pages 131072, num gpu pages 131072 [ 2.647452] radeon 0000:01:05.0: fence driver on ring 0 use gpu addr 0x00000000a0000c00 and cpu addr 0x(____ptrval____) [ 2.649621] radeon 0000:01:05.0: fence driver on ring 5 use gpu addr 0x00000000c0056038 and cpu addr 0x(____ptrval____) [ 11.930307] acpi_cpufreq: overriding BIOS provided _PSD data [ 12.056143] k10temp 0000:00:18.3: unreliable CPU thermal sensor; monitoring disabled Have always seen the cpu thermal sensor message. Machine has an external water cooling system atk0110-0 sensor only shows 1 cpu temp at 135F with BOINC running on all 4 cpus. Will have to watch to see if it goes out again?? Thanks. +------------------------------------------------------------+ Michael D. Setzer II - Computer Science Instructor (Retired) mailto:mikes@guam.net mailto:msetzerii@gmail.com Guam - Where America's Day Begins G4L Disk Imaging Project maintainer http://sourceforge.net/projects/g4l/ +------------------------------------------------------------+

1 0

port based routing
by Jeffrey Ross 08 Aug '20

08 Aug '20

(System Fedora 31) I'm looking to make routing decisions based upon either the source or destination TCP port and interface/destination IP, in the Cisco world I'd do this via policy based routing. I found an example using iptables https://www.sparksupport.com/blog/2010/10/02/application-based-routing-in-l… however this system is running firewalld and I haven't found an example (yet) using firewalld. Very specifically if I receive traffic on TCP port 1234 I do not want to use my system defined default gateway, rather I want to use an alternate gateway which will be via an OpenVPN tunnel. I would really like to go one step further an if it was received on port 1234 AND interface X then use gateway 1, if it was port 1234 and interface Y use gateway 2, not sure how far down the rabbit hole I can go. What I am trying to avoid is have an asymmetric routing condition when I have a firewall fronting the different interfaces. Thanks, Jeff

5 6

Re: [fedora-arm] Re: Error: failed to find VPN plugin for ovpn.
by Sam Varshavchik 07 Aug '20

07 Aug '20

Peter Robinson writes: > > > After successfully testing an OpenVPN link on a x86_64, I get the > following > > > error on aarch64, as root: > > > > > > # nmcli connection import type ovpn file <file>.ovpn > > > Error: failed to find VPN plugin for ovpn. > > > > So having tried that same command with a openvpn profile I use daily I > > had a look at the manual [1] to check to see if I could list plugins. > > It mentioned "type values are the same as for vpn-type option in nmcli > > connection add" so checking that out I got a lst of the following > > types "vpn-type > > vpnc|openvpn|pptp|openconnect|openswan|libreswan|ssh|l2tp|iodine|..." > > > > That gave me a slightly different error related to my actual config, > > but to start it seems you need to substitute ovpn for openvpn in you > > command line. > > Once I exported it from the other machine properly a "nmcli connection > import type openvpn file test.ovpn" worked as expected on an aarch64 > machine. Yup. Rookie error. I got mixed up between the .ovpn extension, and the "openvpn" plugin name.

1 0

Error: failed to find VPN plugin for ovpn.
by Sam Varshavchik 07 Aug '20

07 Aug '20

After successfully testing an OpenVPN link on a x86_64, I get the following error on aarch64, as root: # nmcli connection import type ovpn file <file>.ovpn Error: failed to find VPN plugin for ovpn. Both systems have openvn, NetworkManager-openvpn, and NetworkManager-openvpn- gnome packages installed. journalctl -f is completely silent, during this. The only thing I can think of: the x86_64 server is headless, but has a user session autologging into a desktop, on the console. The aarch64 VM is also headless. In both cases I'm ssh-ing in. Maybe something gets started when there's a desktop login, that's required for this. The only thing I see running, on the x86_64 server is nm-applet, that surely can't be required. The x86_64 server desktop login is not a root login, but I can ssh to the x86_64 server, as root, and install the same ovpn connection without any issues.

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