[1.7] Pipes intermittently lose data on Cygwin 1.7

Lawrence Mayer lawmay3@i12.com
Tue Dec 23 02:36:00 GMT 2008


On 081222 16:48, Allan Schrum wrote:
> The numbers 5,132,288 and 5,138,895 are multiples of 4096.

Thanks for writing Allan. I think you mean 5,132,288 and 5,136,384 (the 
two output sizes) are multiples of 4096.

> Lawrence: what is the hardware that your are running this test upon? What other processes are running at the same time (e.g. CPU usage, I/O usage, etc.)?

Please see my previous post, where I found the same bug on different 
hardware running a different OS. Here are more details:

Computer 1 (from my original post):
Motherboard: Shuttle AK31 v3.1
Chipset: Via KT266 northbridge, VT8233 southbridge
CPU: Athlon XP 2000+ @ 2 GHz
Memory: 512 MB DDR
OS: Windows Server 2003 sp2 32 bit on NTFS
CPU usage: 0-1% normally, 22-23% max during Cygwin tests
Handles 3907 Threads 192 Processes 23
Commit Charge (K): Total 294448 Limit 533992 Peak 426364
Physical Memory (K): Total 523752 Available 180124 System Cache 235732
Kernel Memory (K): Total 53912 Paged 34284 Nonpaged 19628


Computer 2 (from my previous post):
Motherboard: MSI K7N2 Delta
Chipset: Nvidia Nforce2
CPU: Athlon XP 3200+ @ 2.13 GHz
Memory: 2 GB DDR
OS: Windows XP Home sp2 32 bit on NTFS
CPU usage: 0-1% normally, 21-22% max during Cygwin tests
Handles 3904 Threads 193 Processes 23
Commit Charge (K): Total 717884 Limit 1964364 Peak 841376
Physical Memory (K): Total 2096624 Available 1161980 System Cache 1298916
Kernel Memory (K): Total 104788 Paged 76104 Nonpaged 28696

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