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into maint-22
* john/erts/fix-xxx_to_existing_atom-overflow/ERL-944/OTP-15819:
erts: Fix buffer overflow in xxx_to_existing_atom
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* john/erts/fix-conservative/OTP-15881:
erts: Relax the constraint introduced in OTP-15871
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* rickard/dist-exit2/22/OTP-15867:
Don't disconnect on remote exit/2 with old incarnation as recipient
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rickard/dist-exit2/22/OTP-15867
* rickard/dist-exit2/21/OTP-15867:
Don't disconnect on remote exit/2 with old incarnation as recipient
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rickard/dist-exit2/21/OTP-15867
* rickard/dist-exit2/20/OTP-15867:
Don't disconnect on remote exit/2 with old incarnation as recipient
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Also handles code compiled by OTP 21 and earlier.
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'sverker/erts/process-info-reductions-idle-proc/ERL-964/OTP-15865' into maint-22
* sverker/erts/process-info-reductions-idle-proc/ERL-964/OTP-15865:
erts: Improve test of process_info(reductions)
Revert "erts: Force process_info(reductions) as signal"
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* sverker/erts/break-p-segv/ERL-965/OTP-15873:
erts: Fix SEGV crash on shell break (p)roc info
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into maint
* john/erts/fix-bad-get_tuple_element-opt/OTP-15871/ERIERL-374:
erts: Fix bad loader optimization of get_tuple_element
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'sverker/erts/process-info-reductions-idle-proc/ERL-964/OTP-15865' into maint
* sverker/erts/process-info-reductions-idle-proc/ERL-964/OTP-15865:
erts: Improve test of process_info(reductions)
Revert "erts: Force process_info(reductions) as signal"
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* sverker/erts/break-p-segv/ERL-965/OTP-15873:
erts: Fix SEGV crash on shell break (p)roc info
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The following sequence would be wrongly optimized into a
i_get_tuple_element2 instruction, reading an element from the
wrong tuple:
{get_tuple_element,{x,0},1,{x,0}}.
{get_tuple_element,{x,0},2,{x,1}}.
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esdp==NULL if run by non scheduler thread.
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This reverts commit 70dbf671a8196110d2aee2e7507afc2c2c75183f.
As the comment of 70dbf671a8 itself indicates, that "fix" is not really
necessary. It has, however, the bad effect of always consuming reductions of the
process you want to know reduction from, that is you can't meassure reduction
count without affecting it.
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Only the dist_util code is using this function and it already
is compatible with a non-boolean value.
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* sverker/seq-trace-label-old-heap-bug/ERL-700/OTP-15849:
erts: Fix faulty spec for seq_trace:set_token/2
erts: Fix seq_trace:print/2 for arbitrary labels
erts: Fix bug in seq_trace:set_token(label,_)
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* bjorn/erts/fix-wrong-class/ERIERL-367/OTP-15834:
Fix sticky class in exception
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Would raise badarg if Label was not atom or small integer.
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If internal seq-trace tuple is on old heap
an incorrect ref from old to new heap was made.
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Without this I wasn't able to compile the debug emulator, the compilation
would fail with "section attribute is specified on redeclared variable" errors.
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* bjorn/erts/fix-wrong-class/ERIERL-367/OTP-15834:
Fix sticky class in exception
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When catching an exception re-throwing with a changed
class, the class could be changed to the original class
if the exception got caught and rethrown in (for example)
an after block:
sticky_class() ->
try
try
throw(reason)
catch
throw:Reason:Stack ->
erlang:raise(error, Reason, Stack)
end
after
ok
end.
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into maint
* john/erts/fix-xxx_to_existing_atom-overflow/ERL-944/OTP-15819:
erts: Fix buffer overflow in xxx_to_existing_atom
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After calculating the length of a list, length/1 would accidentally
bump all remaining reductions, forcing the process to yield. Correct
the calculation.
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* sverker/process_info-reductions-fix/OTP-15793:
erts: Force process_info(reductions) as signal
erts: Fix another bug in process_info(reductions)
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* sverker/process_info-reductions-fix/OTP-15793:
erts: Force process_info(reductions) as signal
erts: Fix another bug in process_info(reductions)
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Not 100% sure this is needed to get correct reductions
as the direct query is not done if process is RUNNING anyway.
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* lukas/erts/distr-frag-fixes:
erts: Add documentation for distribution fragments
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* sverker/tw-assert:
erts: Fix bug in timer wheel at cancel during bump yield
erts: Tidy up some harmless code typos
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* lukas/erts/distr-frag-fixes:
Update run-dialyzer script to be more generic and aggressive
erts: Fix memory leak for down/exit message
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* john/erts/alloc-header-packing-win64:
erts_alloc: Fix header packing on Win64
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When a fragmented down/exit is sent to a non-existing process the message
would just be dropped without being deallocated.
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Symptom:
Failed debug assert in find_next_timeout
ERTS_TW_ASSERT(tiw->yield_slot == ERTS_TW_SLOT_INACTIVE);
Problem:
If remove_timer() was called in between yielding erts_bump_timers()
tiw->true_next_timeout_time could be set to 0 leading to
find_next_timeout() being called before all bumping is done.
Solution:
Don't clear tiw->true_next_timeout_time in remove_timer()
if tiw->yield_slot is active.
Does not seem this bug could cause other more harmful symptoms,
but not sure.
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* rickard/dist-q-sz-fix:
Fix distribution queue size adjustment
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to disregard consumed virtual reductions
which are not aggregated into p->reds
and if included may cause reduction count go backwards.
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No need to pre-allocate a buffer before name length calculation.
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This reverts commit 425889ba69b69a9b6fb14bfbef121d51b78e853a.
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