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Date: Tue, 3 Nov 2009 16:10:04 GMT
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To: freebsd-emulation@FreeBSD.org
From: Alexander Best <alexbestms@math.uni-muenster.de>
Cc: 
Subject: Re: kern/138880: [linux] munmap segfaults after linux_mmap2
 stresstest
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The following reply was made to PR kern/138880; it has been noted by GNATS.

From: Alexander Best <alexbestms@math.uni-muenster.de>
To: <bug-followup@FreeBSD.org>
Cc:  
Subject: Re: kern/138880: [linux] munmap segfaults after linux_mmap2
 stresstest
Date: Tue, 03 Nov 2009 17:01:23 +0100 (CET)

 here's a linux_kdump which might show more details than truss:
 
   1478 mmapstress08 CALL  linux_mmap2(0x3e800000,0x1000,0x3,0x22,0,0)
   1478 mmapstress08 RET   linux_mmap2 1048576000/0x3e800000
   1478 mmapstress08 CALL  linux_mmap2(0x3ec00000,0x1000,0x3,0x22,0,0)
   1478 mmapstress08 RET   linux_mmap2 1052770304/0x3ec00000
   1478 mmapstress08 CALL  linux_mmap2(0x3f000000,0x1000,0x3,0x22,0,0)
   1478 mmapstress08 RET   linux_mmap2 1056964608/0x3f000000
   1478 mmapstress08 CALL  linux_mmap2(0x3f400000,0x1000,0x3,0x22,0,0)
   1478 mmapstress08 RET   linux_mmap2 1061158912/0x3f400000
   1478 mmapstress08 CALL  linux_mmap2(0x3f800000,0x1000,0x3,0x22,0,0)
   1478 mmapstress08 RET   linux_mmap2 1065353216/0x3f800000
   1478 mmapstress08 CALL  linux_mmap2(0x3fc00000,0x1000,0x3,0x22,0,0)
   1478 mmapstress08 RET   linux_mmap2 1069547520/0x3fc00000
   1478 mmapstress08 CALL  munmap(0x8050000,0x37fb0000)
   1478 mmapstress08 RET   munmap 0
   1478 mmapstress08 PSIG  SIGSEGV SIG_DFL
   1478 mmapstress08 NAMI  "mmapstress08.core"
 
 alex