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Re: Intermittent scp crash on completion, Win98 SE, snapshot


On Fri, Sep 02, 2005 at 07:27:46PM -0600, Aaron Humphrey wrote:
>For the past few weeks--not sure exactly how long, sorry--I have
>gotten intermittent crashes when using scp to copy a file to my
>computer.  My computer is running Windows 98 SE;
>the remote computer is running Linux.  It doesn't happen that
>consistently, but just now I
>was able to get it to happen twice with the same zip file; another zip
>file copied fine twice
>without the crash.  I am using the 20050901 snapshot, with the .dbg
>file, but it was happening with 1.5.18-1, too.  (Probably not before
>that, but I'm not sure.)
>
>What happens is this: just as the file has completed its transfer, a
>dialog pops up:
>
>Ssh
>
>This program has performed an illegal operation and will be shut
>down[...etc, we all know the message]
>
>Details:
>
>SSH caused an invalid page fault in
>module CYGWIN1.DLL at 0167:61093599.
>Registers:
>EAX=00000000 CS=0167 EIP=61093599 EFLGS=00010246
>EBX=00000000 SS=016f ESP=00bafa94 EBP=00bafc80
>ECX=63000000 DS=016f ESI=63000000 FS=6aaf
>EDX=00000000 ES=016f EDI=00000000 GS=0000
>Bytes at CS:EIP:
>8b 00 c3 8d 74 26 00 55 89 e5 5d eb ea 8d 76 00 
>Stack dump:
>63001191 00000000 00000000 00000000 630600e5 00000000 00000000
>00000000 00000000 00000000 00000000 00000000 7ff42264 00000000
>00000000 7ff42225
>
>Cygcheck output is attached.
>
>I'm sure this won't be enough information, but I don't know whether
>running scp with -vvv is
>the thing to do, or strace-ing it, or what.  Let me know what I can do
>help debug this problem.

If you can get this to fail under strace, that would probably point to
the problem pretty quickly.  It looks like something is trying to get
the pid of the process during the final stages of process shutdown after
all of the info about the process has been purged.

cgf

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