Messages in this thread |  | | Date | Sun, 28 Oct 2001 12:07:21 -0500 | Subject | VM test on 2.4.14pre3aa2 (compared to 2.4.14pre3aa1) | From | rwhron@earthlin ... |
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Summary: 2.4.14pre3aa2 gave oom errors not seen in 2.4.14pre3aa1.
Test: Usual scripts to execute mtest01 and mmap001. Listen to long mp3 with mp3blaster.
mtest01 -p 80 -w ================
2.4.14pre3aa1
Averages for 10 mtest01 runs bytes allocated: 1246232576 User time (seconds): 2.105 System time (seconds): 2.773 Elapsed (wall clock) time: 59.503 Percent of CPU this job got: 7.80 Major (requiring I/O) page faults: 132.8 Minor (reclaiming a frame) faults: 305043.1
2.4.14pre3aa2
Averages for 10 mtest01 runs bytes allocated: 1254201753 User time (seconds): 2.211 System time (seconds): 2.794 Elapsed (wall clock) time: 65.176 Percent of CPU this job got: 7.20 Major (requiring I/O) page faults: 129.7 Minor (reclaiming a frame) faults: 306988.9
mmap001 -m 500000 =================
This test worked on 2.4.14pre3aa1, but on 2.4.14pre3aa2, each iteration was terminated by signal 9. Also an irc client I had running was killed.
/var/log/kern.log had these messages:
Oct 28 11:50:24 rushmore kernel: __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) Oct 28 11:50:24 rushmore kernel: VM: killing process mmap001 Oct 28 11:51:07 rushmore kernel: __alloc_pages: 0-order allocation failed (gfp=0x1f0/0) Oct 28 11:51:07 rushmore kernel: __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) Oct 28 11:51:08 rushmore last message repeated 3 times Oct 28 11:51:08 rushmore kernel: VM: killing process bx Oct 28 11:51:09 rushmore kernel: __alloc_pages: 0-order allocation failed (gfp=0x1f0/0) Oct 28 11:51:12 rushmore kernel: __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) Oct 28 11:51:13 rushmore last message repeated 2 times Oct 28 11:51:13 rushmore kernel: VM: killing process mmap001 Oct 28 11:51:47 rushmore kernel: __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) Oct 28 11:51:47 rushmore kernel: __alloc_pages: 0-order allocation failed (gfp=0x1f0/0) Oct 28 11:51:47 rushmore kernel: __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) Oct 28 11:51:47 rushmore kernel: VM: killing process mmap001
Hardware: AMD Athlon 1333 512 MB RAM 1024 MB swap.
-- Randy Hron
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