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From "Pavel Afremov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5104) [drlvm] Assertion during root enumeration
Date Fri, 09 Nov 2007 19:25:50 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pavel Afremov updated HARMONY-5104:
-----------------------------------

    Attachment: HARMONY-5104.patch

Fix consist in changing the map in suspend disable mode.

> [drlvm] Assertion during root enumeration
> -----------------------------------------
>
>                 Key: HARMONY-5104
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5104
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Pavel Afremov
>         Attachments: HARMONY-5104.patch
>
>
> During evaluating HARMONY-2772 assertion on following stack was reproduced:
> #8  0x00002aaaaac0c39c in check_ref (ref=0x2aaabe800160)
>     at .../vm/vmcore/src/gc/root_set_enum_common.cpp:164
> #9  0x00002aaaaac0c57b in vm_enumerate_root_reference (ref=0x2aaabe800160, is_pinned=0)
>     at .../vm/vmcore/src/gc/root_set_enum_common.cpp:178
> #10 0x00002aaaaac0c5f7 in vm_enumerate_jlc (c=0x2aaabe800110, b_weak=false)
>     at .../vm/vmcore/src/gc/root_set_enum_common.cpp:77
> #11 0x00002aaaaac0d1a1 in vm_enumerate_static_fields ()
>     at .../vm/vmcore/src/gc/root_set_enum_common.cpp:132
> #12 0x00002aaaaac0d48d in vm_enumerate_root_set_global_refs ()
>     at .../vm/vmcore/src/gc/root_set_enum_common.cpp:245
> #13 0x00002aaaaac144b8 in stop_the_world_root_set_enumeration ()
>     at .../vm/vmcore/src/gc/stop_the_world_root_set_enum.cpp:131
> #14 0x00002aaaaac14578 in vm_enumerate_root_set_all_threads ()
>     at .../vm/vmcore/src/gc/stop_the_world_root_set_enum.cpp:146
> #15 0x00002aaaad51a004 in gc_reclaim_heap (gc=0x56c0a0, gc_cause=1)
>     at .../vm/gc_gen/src/common/gc_common.cpp:331
> #16 0x00002aaaad5049f5 in fspace_alloc (size=528, allocator=0xf91a90)
>     at .../vm/gc_gen/src/trace_forward/fspace_alloc.cpp:79
> #17 0x00002aaaad522f73 in nos_alloc (size=528, allocator=0xf91a90)
>     at .../vm/gc_gen/src/gen/gen.cpp:283
> #18 0x00002aaaad53bc1b in gc_alloc (size=528, ah=1272, unused_gc_tls=0x2aaabee28728)
>     at .../vm/gc_gen/src/thread/mutator_alloc.cpp:91
> #19 0x00002aaaaac21fc8 in vm_new_vector_using_vtable_and_thread_pointer (length=512,
vector_handle=1272,
>     tp=0x2aaabee28728) at .../vm/vmcore/src/object/vm_arrays.cpp:219
> #20 0x00002aaaaab90fa3 in vm_rt_new_vector_using_vtable_and_thread_pointer (length=512,
vector_handle=1272,
>     tp=0x2aaabee28728)
>     at .../vm/vmcore/src/jit/jit_runtime_support.cpp:113
> The source of assertion is in changing map, which iterated during GC, in suspend enable
mode.

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