Re: [PATCH v2] um: Avoid longjmp/setjmp symbol clashes with libpthread.a

[Richard Weinberger]

Thomas,

Am 03.06.2017 um 23:25 schrieb Thomas Meyer:
> ptrace(PTRACE_CONT, 21664, NULL, SIG_0) = 0
> --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_TRAPPED, si_pid=21664, si_uid=1000, si_status=SIGTRAP, si_utime=0, si_stime=0} ---
> wait4(21664, [{WIFSTOPPED(s) && WSTOPSIG(s) == SIGTRAP}], WSTOPPED|__WALL, NULL) = 21664
> ptrace(PTRACE_SETREGS, 21664, NULL, 0x60f7fa20) = 0
> ptrace(PTRACE_CONT, 21664, NULL, SIG_0) = 0
> --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_TRAPPED, si_pid=21664, si_uid=1000, si_status=SIGTRAP, si_utime=0, si_stime=0} ---
> wait4(21664, [{WIFSTOPPED(s) && WSTOPSIG(s) == SIGTRAP}], WSTOPPED|__WALL, NULL) = 21664
> ptrace(PTRACE_SETREGS, 21664, NULL, 0xb18bc4e0) = 0 
> ptrace(PTRACE_SETREGSET, 21664, NT_X86_XSTATE, [{iov_base=0xb18bc5b8, iov_len=832}]) = -1 EFAULT (Bad address)
> ioctl(1, TCGETS, {B38400 -opost -isig -icanon -echo ...}) = 0
> 
> don't know why gdb shows errno as 4...

Interesting. This makes much more sense than -EINTR.
I've allocated an i7 machine at $dayjob and hope to be able to able reproduce soon.
Let's gets resolved that mess and apply all the fixes. :-)

Thanks,
//richard