http://bugzilla.novell.com/show_bug.cgi?id=504411

User [email protected] added comment
http://bugzilla.novell.com/show_bug.cgi?id=504411#c7





--- Comment #7 from Steven Munroe <[email protected]>  2009-05-18 15:25:11 
MDT ---
In the previous comment we have diag printfs and stack backtrace that seems to
show a problem with GC_unmap_gap.

GC_unmap_gap called with (start1=0x400027fe000, bytes1=344064,
start2=0x40002852000, bytes2=385024)

Start1 was rounded up to 0x40002800000
Start1 + bytes1 was rounded down to 0x40002850000
Start2 was rounded up to 0x40002860000
Start2 + bytes2 was rounded down to 0x400028b0000

the munmap is called with (0x40002850000, 0x10000)

But according to the original start/end pairs there was no gap (0x40002852000 -
0x40002852000 == 0). So this leaves the possibility there that the page at
0x40002850000 was released by a previous action 

Are there other places in addition to os_dep.c where mmaps ocur?

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