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Re: zsh hangs on AIX 4.3.3
- X-seq: zsh-workers 22664
- From: Gene <gananda@xxxxxxxxx>
- To: zsh-workers@xxxxxxxxxx
- Subject: Re: zsh hangs on AIX 4.3.3
- Date: Sat, 02 Sep 2006 13:42:40 -0400
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For what it's worth, this bug also appears to exist on an AIX 5.2
platform I have access to.
Gene Carter wrote:
> Greetings,
>
> I'm trying to use zsh on an AIX 4.3.3 box. Unfortunately, I appear to be
> hitting a bug related to a wait
> on signals.
>
> I've trimmed down the script to a (perhaps local) minimum to recreate
> the problem. The script seems
> to make it through about 351 interations, and then hangs. ^C won't break
> it out. ^Z won't suspend.
> SIGHUP and SIGCHLD both will stop the process.
>
> This problem occurs with zsh binaries that I compile as well as
> externally supplied
> binaries (from two sources).
>
> I would very much like to use zsh to script our administration work on
> these systems.
> Any help would be greately appreciated.
>
> Thanks,
> Gene
>
> ----
> script
> ----
> #!/usr3/rfgadm/src/zsh-4.3.2/Src/zsh
>
> integer ctr=1
> disks=$(while ((ctr < 100)) ; do print $ctr ; let ctr=ctr+1 ; done )
>
> integer outer=1
> while [ 1 ] ; do
> print $disks |
> while read pdisk; do
> echo $pdisk | read hdisk
> echo 0 | read n
> print $pdisk $((outer*${#disks}+pdisk))
> done
> ((outer=outer+1))
> done
>
> ---
> gcc info
> ---
> 11:39: [carterg@isriscwc {80}] gcc -v
> Reading specs from
> /usr3_is/rfgadm/bin/../lib/gcc-lib/powerpc-ibm-aix4.3.2.0/3.3.6/specs
> Configured with: ../gcc-3.3.6/configure --disable-nls
> Thread model: aix
> gcc version 3.3.6
> 11:47: [carterg@isriscwc {81}]
>
> ---
> gdb trace
> ---
> 11:39: [carterg@isriscwc {260}] gdb /usr3/rfgadm/src/zsh-4.3.2/Src/zsh
> GNU gdb 6.5
> Copyright (C) 2006 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you
> are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for details.
> This GDB was configured as "powerpc-ibm-aix4.3.3.0"...
> (gdb) run zshprob
> Starting program: /usr3_is/rfgadm/src/zsh-4.3.2/Src/zsh zshprob
> ...
> 62 349
> 63 350
> 64 351
>
> Program received signal SIGTERM, Terminated.
> 0xd01888c8 in sigsuspend () from /usr/lib/libc.a(shr.o)
> (gdb) bt
> #0 0xd01888c8 in sigsuspend () from /usr/lib/libc.a(shr.o)
> #1 0x100732b4 in signal_suspend (sig=20, sig2=0) at signals.c:376
> #2 0x10079ed0 in zwaitjob (job=3, sig=0) at jobs.c:1161
> #3 0x1007a090 in waitjobs () at jobs.c:1196
> #4 0x1004546c in execpline (state=0x2ff22448, slcode=9218, how=2, last1=0)
> at exec.c:1161
> #5 0x1004469c in execlist (state=0x2ff22448, dont_change_job=1,
> exiting=0) at exec.c:892
> #6 0x100aeb48 in execwhile (state=0x2ff22448, do_exec=0) at loop.c:415
> #7 0x1004a8e4 in execcmd (state=0x2ff22448, input=12, output=0, how=2,
> last1=2)
> at exec.c:2523
> #8 0x10045e34 in execpline2 (state=0x2ff22448, pcode=643, how=2,
> input=12, output=0,
> last1=0) at exec.c:1300
> #9 0x100460f8 in execpline2 (state=0x2ff22448, pcode=611, how=2,
> input=0, output=0,
> last1=0) at exec.c:1351
> #10 0x10045024 in execpline (state=0x2ff22448, slcode=43010, how=2,
> last1=0)
> at exec.c:1086
> #11 0x1004469c in execlist (state=0x2ff22448, dont_change_job=1,
> exiting=0) at exec.c:892
> #12 0x100aeb48 in execwhile (state=0x2ff22448, do_exec=0) at loop.c:415
> #13 0x1004a8e4 in execcmd (state=0x2ff22448, input=0, output=0, how=18,
> last1=2)
> at exec.c:2523
> #14 0x10045e34 in execpline2 (state=0x2ff22448, pcode=515, how=18,
> input=0, output=0,
> last1=0) at exec.c:1300
> #15 0x10045024 in execpline (state=0x2ff22448, slcode=58370, how=18,
> last1=0)
> ---Type <return> to continue, or q <return> to quit---
> at exec.c:1086
> #16 0x1004469c in execlist (state=0x2ff22448, dont_change_job=0,
> exiting=0) at exec.c:892
> #17 0x100441c4 in execode (p=0x20040440, dont_change_job=0, exiting=0)
> at exec.c:792
> #18 0x10000c28 in loop (toplevel=1, justonce=0) at init.c:167
> #19 0x10004520 in zsh_main (argc=2, argv=0x2ff225d4) at init.c:1326
> #20 0x10000578 in main (argc=2, argv=0x2ff225d4) at main.c:93
> (gdb)
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