#7317: Segmentation fault in RTS' STM code on git master
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Reporter: bgamari | Owner:
Type: bug | Status: closed
Priority: normal | Milestone: 7.8.1
Component: Runtime System | Version: 7.7
Resolution: fixed | Keywords: rts, stm, segv
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Difficulty: Unknown
Testcase: | Blockedby:
Blocking: | Related:
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Changes (by simonmar):
* status: new => closed
* difficulty: => Unknown
* resolution: => fixed
* milestone: => 7.8.1
Comment:
I believe I just fixed this, in
{{{
commit 412af8c2eb2f2c689f77fa9e061d45eaa37110f1
Author: Simon Marlow <[email protected]>
Date: Mon Oct 22 11:43:18 2012 +0100
Foreign calls can clobber heap & stack memory too
We were making an aggressive assumption that foreign calls cannot
clobber heap or stack memory, which for the majority of foreign calls
is true, but we violate the assumption in the implementation of
primops in the RTS. This was causing crashes in some STM tests.
}}}
Please re-open the ticket if you still encounter problems.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7317#comment:3>
GHC <http://www.haskell.org/ghc/>
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