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Clueless! sshd ONLY fails at system startup (XP/SP3) ... minor correction


On 2017-05-25 17:36, Houder wrote:
Hi,

YES, I know, XP is NOT supported anymore ... However, I started
out on XP ... and it has sshd running as a Window service,

    installed and configured (as approved by Corinna :-)

... some time ago I may have upgraded openssh over there (yes, I
am now running W7) ... I cannot really remember. Yes, sometimes I
visit (ssh) the "old station" (XP) for info that I am missing.

(both machines are behind a firewall - rest assured)

"Suddenly" (yesterday?) I noticed that the "sshd daemon" fails;
it is started at system startup (i.e. an automatic service).

Ahem ... it should have rephrased that ... however, from the error
report in the sshd.log, it should be clear that the daemon fails as
soon as it receives its first "ssh" request ... (and not before).

[snip]

The message in the sshd.log:

Server listening on 0.0.0.0 port <X>.^M # X = some port, but not 22
      1 [main] sshd 3152 E:\Cygwin25\usr\sbin\sshd.exe: *** fatal
error in forked process - fork: can't reserve memory for parent stack
0x30000 - 0x230000, (child has 0x40000 - 0x240000), Win32 error 487
 395874 [main] sshd 3152 cygwin_exception::open_stackdumpfile: Dumping
stack trace to sshd.exe.stackdump
      3 [main] sshd 536 fork: child -1 - forked process 3152 died
unexpectedly, retry 0, exit code 0x100, errno 11
fork: Resource temporarily unavailable^M

Henri

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