Assertion failure in Conversions.bytesToPages

Description

The assertion in the code shown below fails on PPC64.

Conversions.java

The following part of the stack trace contains the same method calls for all failures:

– Stack –
(0x00000000420a69a8 3142) at [0x00000000420a69a8, 0x000000003542dff0] Lorg/jikesrvm/VM; sysFail(Ljava/lang/StringV at line 2327
(0x00000000420a69d8 2868) at [0x00000000420a69d8, 0x000000003542e190] Lorg/jikesrvm/VM; _assertionFailure(Ljava/lang/String;Ljava/lang/StringV at line 626
(0x00000000420a6a30 2866) at [0x00000000420a6a30, 0x000000003542e290] Lorg/jikesrvm/VM; _assert(ZLjava/lang/String;Ljava/lang/StringV at line 609
(0x00000000420a6a88 2864) at [0x00000000420a6a88, 0x00000000352794ec] Lorg/jikesrvm/VM; _assert(Z)V at line 584
(0x00000000420a6ac8 8951) at [0x00000000420a6ac8, 0x000000003538c500] Lorg/jikesrvm/mm/mmtk/Assert; _assert(Z)V at line 54
(0x00000000420a6b08 2853) at [0x00000000420a6b08, 0x00000000351f6568] Lorg/mmtk/utility/Conversions; bytesToPages(Lorg/vmmagic/unboxed/ExtentI at line 129
(0x00000000420a6b58 9016) at [0x00000000420a6b58, 0x00000000351f6a00] Lorg/mmtk/utility/heap/MonotonePageResource; releasePages(Lorg/vmmagic/unboxed/Address;Lorg/vmmagic/unboxed/ExtentV at line 302
(0x00000000420a6bd0 9010) at [0x00000000420a6bd0, 0x00000000351f6d54] Lorg/mmtk/utility/heap/MonotonePageResource; releasePages()V at line 268
(0x00000000420a6c20 9005) at [0x00000000420a6c20, 0x00000000351cb6a8] Lorg/mmtk/utility/heap/MonotonePageResource; reset()V at line 218
(0x00000000420a6c58 4321) at [0x00000000420a6c58, 0x00000000351cb184] Lorg/mmtk/policy/CopySpace; release()V at line 129

According to my notes, the failure can occur at least in the following configurations

  • ExtremeAssertionsOptAdaptiveUsePrimitiveWriteBarries

  • BaseBaseSemiSpace

  • BaseBaseGenCopy

in different benchmarks (e.g. fop, xalan, JByteMark, _213_javac and _201_compress).

Environment

PPC64, x64

Status

Assignee

Robin Garner

Reporter

Erik Brangs

Labels

None

Fix versions

Affects versions

Priority

Medium
Configure