I used byobu 4.37-0ubuntu1 in Ubuntu Server 11.10 64 bit.

I left byobu running. But every few hours it will automatically close
saying

"pipe: Too many open files y".

Ulimit -n was 1024.

I upgraded to 5.16-0ubuntu1~ppa5 and the problem still existed. I raised
ulimit -n to 4096. Instead of crashing it will go into an infinite loop
using 100% CPU.

These were 2 backtraces from the infinite loop.

#0  0x00007f7ac5ad25f3 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000004447bc in ?? ()
#2  0x0000000000404e3f in ?? ()
#3  0x00007f7ac5a1730d in __libc_start_main () from 
/lib/x86_64-linux-gnu/libc.so.6
#4  0x00000000004057a9 in ?? ()
#5  0x00007fffe7cad3f8 in ?? ()
#6  0x000000000000001c in ?? ()
#7  0x0000000000000006 in ?? ()
#8  0x00007fffe7cad7f6 in ?? ()
#9  0x00007fffe7cad7fd in ?? ()
#10 0x00007fffe7cad800 in ?? ()
#11 0x00007fffe7cad806 in ?? ()
#12 0x00007fffe7cad809 in ?? ()
#13 0x00007fffe7cad82c in ?? ()
#14 0x0000000000000000 in ?? ()

#0  0x00007f7ac5aef8b0 in __read_chk () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x000000000041ec7e in ?? ()
#2  0x0000000000444853 in ?? ()
#3  0x0000000000404e3f in ?? ()
#4  0x00007f7ac5a1730d in __libc_start_main () from 
/lib/x86_64-linux-gnu/libc.so.6
#5  0x00000000004057a9 in ?? ()
#6  0x00007fffe7cad3f8 in ?? ()
#7  0x000000000000001c in ?? ()
#8  0x0000000000000006 in ?? ()
#9  0x00007fffe7cad7f6 in ?? ()
#10 0x00007fffe7cad7fd in ?? ()
#11 0x00007fffe7cad800 in ?? ()
#12 0x00007fffe7cad806 in ?? ()
#13 0x00007fffe7cad809 in ?? ()
#14 0x00007fffe7cad82c in ?? ()
#15 0x0000000000000000 in ?? ()

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https://bugs.launchpad.net/bugs/713879

Title:
  byobu crashes on start 'pipe: too many open files'

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