RE: [bug #14853] make randomly fails with interrupted system call on slower filesystems with parallel builds

[Steve Williams]

Hi Andrew,

Attached is the patch that I created for make v3.80. I also found that with
this patch, packages I have never been able to successfully build in
parallel mode now build with any number of parallel jobs.

I also tried make v3.81 and found it still suffered from the same issues
regarding interrupted system calls on Solaris and NFS filesystems.

I have been using the patched version of 3.80 for over a year now and have
not seen any of these strange failures.

Regards,
Steve

-----Original Message-----
From: Andrew Walrond [mailto:address@hidden 
Sent: Wednesday, October 11, 2006 1:11 PM
To: address@hidden; Steve Williams; Paul D. Smith; address@hidden;
address@hidden
Subject: [bug #14853] make randomly fails with interrupted system call on
slower filesystems with parallel builds


Follow-up Comment #8, bug #14853 (project make):

It was indeed the same problem. Since Steve Williams patch does not
seem to be available, I used the description to create my own.
I have built an entire gnu/linux distro including gcc, glibc and the kernel
using the patched make at -j12 on a 6 core sun T1000 without a single
failure. Without the patch, I could only build gcc successfully about 1 in 3
times.

I highly recommend a fix such as this be applied ASAP since make is curently
very broken at high -j# on multi-core machines.

My patch is attached for reference.
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Additional Item Attachment:

File name: make-3.81.apw1.patch           Size:2 KB
Patch against version 3.81 to fix Bug #14853
<http://savannah.gnu.org/bugs/download.php?file_id=10950>

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make380-jobpoll.patch
Description: Binary data