Markus Barenhoff wrote:
On Thu 08.01 12:22, Simon Marlow wrote:
Markus Barenhoff wrote:
On Mon 15.12 09:26, Simon Marlow wrote:
Yesterday I updated my sources to the current darcs version. Now the build
works
again, but there still seems to exist a problem with memory allocation:
--- snip ---
$ ghci
GHCi, version 6.11.20090105: http://www.haskell.org/ghc/ :? for help
ghc: mmap 28672 bytes at 0x40099000: Invalid argument
ghc: Try specifying an address with +RTS -xm<addr> -RTS
--- snip ---
Could you run ktrace or truss on ghci so we can see the offending call to
mmap()? I'm not sure what it is that the OS is complaining about.
it looks like it is trying to mmap() stdin...
attached you find the complete trace.
--- snip ---
...
38437:
stat("/usr/local/haskell/lib/ghc-6.11.20090105/ghc-prim-0.1.0.0/HSghc-prim-0.1.0.0.o",{
mode=-rw-r--r-- ,inode=284783,size=623896,blksize=4096 }) = 0 (0x0)
38437:
stat("/usr/local/haskell/lib/ghc-6.11.20090105/ghc-prim-0.1.0.0/HSghc-prim-0.1.0.0.o",{
mode=-rw-r--r-- ,inode=284783,size=623896,blksize=4096 }) = 0 (0x0)
38437:
open("/usr/local/haskell/lib/ghc-6.11.20090105/ghc-prim-0.1.0.0/HSghc-prim-0.1.0.0.o",O_RDONLY,00)
= 6 (0x6)
38437: mmap(0x40000000,626688,PROT_READ|PROT_WRITE|PROT_EXEC,MAP_PRIVATE,6,0x0)
= 34382954496 (0x801624000)
38437: munmap(0x801624000,626688) = 0 (0x0)
38437:
mmap(0x40000000,626688,PROT_READ|PROT_WRITE|PROT_EXEC,MAP_PRIVATE|MAP_FIXED,6,0x0)
= 1073741824 (0x40000000)
38437: close(6) = 0 (0x0)
38437:
mmap(0x40099000,28672,PROT_READ|PROT_WRITE|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_ANON,0,0x0)
ERR#22 'Invalid argument'
Ah, I think I see the problem. FreeBSD requires the fd argument to be -1
for MAP_ANON, but Linux doesn't care which is why it didn't fail in this
way for me. I'll commit a patch as soon as it validates.
Cheers,
Simon
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