Re: Kdesktop runaway

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Hi people:
1) I use OpenSuse Tumbleweed (rolling version, allways updated), i update last 
week. All installed of opensuse/packman and few things of third party ( 
microchip, st, cura, etc etc)
2) TDE 14.1.3
3) I dont know what is PSB/PTB. My usual programs are
Desk 1: Kmail
Desk 2: Firefox and firefox incognito
Libreoffice, Kicad 9 with PCB and shematic, MPlabX, STM32CubeIde, Gimp pdf 
viewer (KPDF), Konsole, 
Internet with wifi (i need shut down, and shut up again after 90% of suspends)
No extra screen

4) HP 255 g7
2 cores, 16Gb of ram, HDD 1TB
AMD Athlon Silver 3050U / 2.3 GHz
# lscpu
Architecture:             x86_64
  CPU op-mode(s):         32-bit, 64-bit
  Address sizes:          48 bits physical, 48 bits virtual
  Byte Order:             Little Endian
CPU(s):                   2
  On-line CPU(s) list:    0,1
Vendor ID:                AuthenticAMD
  Model name:             AMD A9-9425 RADEON R5, 5 COMPUTE CORES 2C+3G
    CPU family:           21
    Model:                112
    Thread(s) per core:   1
    Core(s) per socket:   1
    Socket(s):            2
    Stepping:             0
    Frequency boost:      enabled
    CPU(s) scaling MHz:   119%
    CPU max MHz:          3100.0000
    CPU min MHz:          1400.0000
    BogoMIPS:             6188.96
    Flags:                fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
mca cmov pat pse36 clflush mmx fxsr sse sse2
                          ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 
constant_tsc rep_good acc_power nopl nonstop_tsc c
                          puid extd_apicid aperfmperf pni pclmulqdq monitor 
ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xs
                          ave avx f16c lahf_lm cmp_legacy extapic cr8_legacy 
abm sse4a misalignsse 3dnowprefetch osvw ibs xo
                          p skinit wdt lwp fma4 tce nodeid_msr tbm 
perfctr_core perfctr_nb bpext ptsc mwaitx cpb hw_pstate s
                          sbd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 
xsaveopt arat npt lbrv svm_lock nrip_save tsc_scale
                          vmcb_clean flushbyasid decodeassists pausefilter 
pfthreshold avic v_vmsave_vmload vgif overflow_re
                          cov
Caches (sum of all):
  L1d:                    64 KiB (2 instances)
  L1i:                    128 KiB (2 instances)
  L2:                     2 MiB (2 instances)
NUMA:
  NUMA node(s):           1
  NUMA node0 CPU(s):      0,1
Vulnerabilities:
  Gather data sampling:   Not affected
  Ghostwrite:             Not affected
  Itlb multihit:          Not affected
  L1tf:                   Not affected
  Mds:                    Not affected
  Meltdown:               Not affected
  Mmio stale data:        Not affected
  Reg file data sampling: Not affected
  Retbleed:               Mitigation; untrained return thunk; SMT disabled
  Spec rstack overflow:   Not affected
  Spec store bypass:      Mitigation; Speculative Store Bypass disabled via 
prctl
  Spectre v1:             Mitigation; usercopy/swapgs barriers and __user 
pointer sanitization
  Spectre v2:             Mitigation; Retpolines; IBPB conditional; STIBP 
disabled; RSB filling; PBRSB-eIBRS Not affected; B
                          HI Not affected
  Srbds:                  Not affected
  Tsx async abort:        Not affected

On Sunday 20 April 2025 12:37:09 Michele Calgaro via tde-users wrote:
> On 2025/04/20 07:25 PM, Christian Schmitz via tde-users wrote:
> > Hi,
> > Today at morning kdesktop is runaway at 2025/04/20 08:34
> > Today only one process with 96% of CPU.
> > After use kill -TTIN <process id> and start to work again without any
> > consequences.
> > The fan slowdown after minutes, the icons on desktop start to work again
> > and i can suspend the computer.
> > I hope that this information help you.
> > Best Regards
> > Christian
>
> Thanks Christian (and Happy Easter),
> That's perfect. It is indeed the problem we are aware of. We have a decent
> idea of what is happening, since as you can see we found an easy
> workaround, but we are trying to understand the root cause of it.
>
> A few more questions (apologies for asking if you have already shared the
> info in previous emails). 1) what distro are you using?
> 2) what TDE version are you using?
> 3) if it is a debian based distro, are you on PSB/PTB? are you using home
> built packages or those provided by TDE website? 4) how many CPU and cores
> does your computer have?
>
> Just trying to understand why you are seeing this problem so often.
>
> Cheers
>    Michele


-- 
Be Free, Be Linux	
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