Works for me on Win2000Pro+SP3/PIII. > -----Original Message----- > From: Victor Antonovich [mailto:[EMAIL PROTECTED]] > Sent: Saturday, February 08, 2003 5:18 PM > To: [EMAIL PROTECTED] > Subject: 1.3.19: fork() strange memory leak under W2K > > > Hello! > > Some time ago, when I was using at home 1.3.18 version of > CygWin under Windows 2000 Workstation + SP3, I > discovered that every command execution lead to some memory > leak. It's especially noticeably when I try to run large > scripts (like "configure") - the memory loading (as viewed > in Task Manager) grow to its physical size and next I > get message like this: > > 0 [main] sh 35620 sync_with_child: child 35636(0xDC) > died before initialization with status code 0x80 > 6847 [main] sh 35620 sync_with_child: *** child state > waiting for longjmp > ./../ltconfig: fork: Resource temporarily unavailable > > After this, any process can't be started without rebooting > (or killing other process). > > Recently, I upgraded my system to Windows 2000 Server + > SP3 (with total precleanup) and CygWin 1.3.19, but problem is > there as before. :( > > I made small test program which loops for 1000 times: > --8<---------------------------------- > #!/bin/sh > ctr=1 > while test `expr "$ctr"` -lt 1000; do > ctr=`expr $ctr + 1` > # ps > /dev/null > done > --8<---------------------------------- > > The result: > --8<---------------------------------- > $ ./test > 0 [main] sh 1136 sync_with_child: child 35976(0x134) > died before initialization with status code 0x80 > 1976 [main] sh 1136 sync_with_child: *** child state > waiting for longjmp > ./test: fork: Resource temporarily unavailable > --8<---------------------------------- > > After this, the memory leak average is 28 MBytes. When I > uncomment line "ps > /dev/null" in this example, memory > leak grow to 42 MBytes. Changing "ps" command in uncommented > line on any external command not affect average memory leak. > All looks like every fork() lead to leak about 13 KBytes of > physical memory. > > All utilities don't indicate that memory leak exist in > user space, that I decide that lost memory must be located in > kernel space. > > It's very strange, but all this works nice at my work on > computer with Windows 2000 Workstation + SP3! My home > computer hardware is AMD Duron 800 MHz, Abit KT7A > Motherboard, 256 MB RAM; at work Celeron 800 MHz, Acorp i815 > Motherboard, 128 MB RAM. The difference is also in the > filesystems: FAT32 at home and NTFS at work. > > I found similar messages in cygwin mailing list archive, > but without any response. By the way, same problem exist > in MinGW minimalistic system (MSYS). Is there anybody who > can say any considerations about this problem? The "cygcheck" > program out is attached to this message. > > Regards, > Victor. >
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