#3156: Error on +RTS kHugeNumber
-------------------------------------+--------------------------------------
Reporter: zachk | Owner: simonmar
Type: bug | Status: closed
Priority: normal | Milestone: 6.12.1
Component: Runtime System | Version: 6.10.2
Severity: minor | Resolution: fixed
Keywords: 6.10.1||6.10.2 Stack | Difficulty: Unknown
Testcase: | Os: Linux
Architecture: x86 |
-------------------------------------+--------------------------------------
Changes (by simonmar):
* status: new => closed
* component: Compiler => Runtime System
* resolution: => fixed
Comment:
Fixed. There were a series of tweaks necessary to get this fully cleaned
up:
{{{
Thu May 28 06:33:57 PDT 2009 Simon Marlow <[email protected]>
* Fix #3156: ensure preconditions of splitLargeBlock()
Thu May 28 06:34:40 PDT 2009 Simon Marlow <[email protected]>
* Round stack size to a whole number of megablocks
Fri May 29 02:07:58 PDT 2009 Simon Marlow <[email protected]>
* Fix bug in previous change: allocate the correct size
Fri May 29 02:08:27 PDT 2009 Simon Marlow <[email protected]>
* don't shrink the stack smaller than the value set by +RTS -k<size>
}}}
These fix a panic in the RTS when using a large `+RTS -k<size>`. I'm not
sure we should merge, since there's a good workaround: don't use `+RTS
-k<size>` at all (the RTS will grow the stack as necessary).
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3156#comment:4>
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