Re: Weirdness with suspending jobs in 2.6.9-rc3

[Andrew Morton]

Petri Kaukasoina <kaukasoi@xxxxxxxxxxxxxxxxxxx> wrote:
>
> > What command are you actually running to demonstrate this?  Full details,
>  > please.
> 
>  First 'make' while the Makefile is this
> 
>  all:
>  	sleep 40
>  	echo Hi
>  	sleep 5
> 
>  and then in a different window 'ps ux' and then 'strace -p PID'. If
>  CONFIG_REGPARM if off then the strace starts:
> 
>  Process 324 attached - interrupt to quit
>  wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 325
>  --- SIGCHLD (Child exited) @ 0 (0) ---
>  sigreturn()                             = ? (mask now [])
>  write(1, "echo Hi\n", 8)                = 8
> 
>  if CONFIG_REGPARM=Y then it starts:
> 
>  Process 14226 attached - interrupt to quit
>  wait4(-1073750328, NULL, 0, NULL)       = -1 ECHILD (No child processes)
>  write(2, "make: *** ", 10)              = 10
>  write(2, "wait: No child processes", 24) = 24
>  write(2, ".  Stop.\n", 9)               = 9
>  write(2, "make: ", 6)                   = 6

eww, OK, happens here too.
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