Your message dated Sun, 9 Jul 2017 12:54:16 +0200
with message-id <[email protected]>
and subject line Obsolete: high pitch whine on old laptop drives
has caused the Debian Bug report #569945,
regarding hercules: produces a disconcerting whine
to be marked as done.
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569945: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=569945
Debian Bug Tracking System
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--- Begin Message ---
Package: hercules
Version: 3.06-1.3
Severity: normal
Justification: scary to novices
So I decided to give s390 a try, following the instructions in
</usr/share/doc/hercules/giving_s_390_a_try.html>.
| # as root:
| addgroup tun
| dpkg-statoverride --add --update root tun 04750 /usr/bin/hercifc
| chown root:tun /dev/net/tun
| chmod g+w /dev/net/tun
| adduser jrn tun
Not so happy about making that setuid, but for debugging’s sake, I am
following that guide as closely as is practical.
| # log in as jrn
| mkdir s390
| cd s390
| for i in debian.exec initrd.debian kernel.debian parmfile.debian script
| do
| wget http://people.debian.org/~fjp/d-i/s390/images/daily/generic/$i
| done
| cat <<\EOF >hercules.cnf
| CPUSERIAL 002623
| CPUMODEL 3090
| MAINSIZE 64
| CODEPAGE default
| XPNDSIZE 0
| #CNSLPORT 3270
| #HTTPPORT 8081 noauth userid password
| #HTTPROOT /usr/share/hercules/
| NUMCPU 1
| LOADPARM 0120....
| OSTAILOR LINUX
| PANRATE SLOW
| ARCHMODE ESA/390
|
| 000C 3505 kernel.debian parmfile.debian initrd.debian autopad eof
| 0120 3390 dasd0
| 0A00 3088 CTCI /dev/net/tun 1500 192.168.42.1 192.168.42.2 255.255.255.0
| 0A01 3088 CTCI /dev/net/tun 1500 192.168.42.1 192.168.42.2 255.255.255.0
| EOF
Not sure what the debian.exec is supposed to be used for. Am I missing
a relevant setting?
| dasdinit dasd0 3390-1 root
| # HHCDU044I Creating 3390 volume ROOT: 1113 cyls, 15 trks/cyl, 56832
bytes/track
| # HHCDU041I 1113 cylinders successfully written to file dasd0
| # HHCDI001I DASD initialization successfully completed.
Looks promising.
| hercules
| # Hercules Version 3.06
| # (c)Copyright 1999-2007 by Roger Bowler, Jan Jaeger, and others
| # Built on Jan 25 2010 at 15:51:12
| # Build information:
| # Debian
| # Dynamic loading support
| # Loadable module default base directory is /usr/lib/hercules
| # Using shared libraries
| # No External GUI support
| # HTTP Server support
| # Regular Expressions support
| # Automatic Operator support
| # National Language Support
| # Machine dependent assists: (none)
| # Running on progeny Linux-2.6.33-rc7-next-201.#3 PREEMPT Thu Feb 11 00:10:22
CST 2010
| # Crypto module loaded (c) Copyright Bernard van der Helm, 2003-2008
| # Active: Message Security Assist
| # Message Security Assist Extension 1
| # Message Security Assist Extension 2
| # HHCCF065I Hercules: tid=B73496C0, pid=23414, pgid=23414, priority=0
| # HHCDA020I dasd0 cyls=1113 heads=15 tracks=16695 trklen=56832
Good.
| # HHCTU002E Error opening TUN/TAP device: /dev/net/tun: Permission denied
| # HHCCF044E Initialization failed for device 0A01
Not good. Maybe I should have set /dev/net/tun to be g+r as well, which
case giving_s_390_a_try.html should be clarified. I’d be happy to write
a patch to do so. But I am hoping this should not matter too much.
| # HHCCF069I Run-options enabled for this run:
| # NUMCPU: 1
| # ASN-and-LX-reuse: DISabled
| # DIAG8CMD: DISabled
| # HHCCP002I CPU0000 thread started: tid=B30B6B70, pid=23414, priority=15
| # HHCTT001W Timer thread set priority -20 failed: Permission denied
Because I am not running hercules as root. I hope this does not matter,
either.
| # HHCTT002I Timer thread started: tid=B2FB5B70, pid=23414, priority=0
| # HHCCP003I CPU0000 architecture mode ESA/390
| # HHCPN001I Control panel thread started: tid=B73496C0, pid=23414
| # HHCAO001I Hercules Automatic Operator thread started;
| # tid=B2C23B70, pri=0, pid=23414
Now my hard disk is spinning rapidly and producing a high-pitched whine.
The hard disk is an old 4200rpm laptop drive.
Is this expected behavior?
| # quit
| # HHCIN900I Begin Hercules shutdown
| # HHCIN901I Releasing configuration
| # HHCAO002I Hercules Automatic Operator thread ended
| # HHCCP008I CPU0000 thread ended: tid=B30B6B70, pid=23414
| # HHCTT003I Timer thread ended
| # HHCHD902I logger_term complete
| # HHCHD909I Shutdown sequence complete
| # HHCIN904I All termination routines complete
| # HHCIN909I Hercules shutdown complete
| # HHCIN099I Hercules terminated
| # HHCHD900I Begin shutdown sequence
| # HHCHD909I Shutdown sequence complete
If I try "ipl c" instead of quitting, I get another error message, but
I do not want to debug that until it is clear I am not putting
needless wear on the hard disk.
--- End Message ---
--- Begin Message ---
This bug report from 2010 feels pretty much obsolete. Even assuming that
Hercules might cause a lot of random I/O the machine this was reported
for was likely too small to run Debian on s390 meaningfully in it. Plus
we have SSDs now.
Kind regards
Philipp Kern
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--- End Message ---
