Comment 17 for bug 269082

I just installed Tuxpaint on my own LTSP server and launched with my thin-client (a LTSP-Term 1220PXE available from disklessworkstations.com and 100% supported by LTSP ) and will attach the following strace. The strace contains data from me simply starting Tuxpaint, drawing an "X" on the blank slate, adding 4 "Stamps" (2 of one Tux face and 2 of another), and then attempting to exit. When I exit, it asks me if I'm done, and I clicked Yes. It asked me if I wanted to save, and I said No. From there, the program locked up and I had to 'killall -9 tuxpaint' to close it. Normal 'killall tuxpaint' wouldn't work.

Note that on my single LTSP thin-client, starting Tuxpaint took 55% of the CPU time, which is:

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$ cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 75
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 4200+
stepping : 2
cpu MHz : 2210.121
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
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 rdtscp lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy ts fid vid ttp tm stc
bogomips : 4423.66
clflush size : 64

processor : 1
vendor_id : AuthenticAMD
cpu family : 15
model : 75
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 4200+
stepping : 2
cpu MHz : 2210.121
cache size : 512 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
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 rdtscp lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy ts fid vid ttp tm stc
bogomips : 4420.14
clflush size : 64
----

I hope this information helps. I have a 7 schools ready to use Tuxpaint for the younger students, but this is preventing us from doing so in our LTSP environment. Please ask if there's any more troubleshooting I can do.