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* hans/ssh/hex_dump_info/OTP-15772:
ssh: Dump 64 bytes in case of unexpected info line
ssh: Add hexdump utility in ssh_dbg
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maint-21
* raimo/ssl/beast-mitigation-hickup/ERIERL-346/OTP-15054:
Do not create empty binaries when splitting iovec
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into maint-21
* peterdmv/inets/fix_erl_script_timeout/ERIERL-345/OTP-15769:
inets: Add tests for erl_script_timeout
inets: Fix erl_script_timeout handling in mod_esi
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* anders/diameter/distribution/OTP-15768:
Add appup and code_change
Fix inadvertently broad monitor
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* sverker/maint-21/doc-big-creation-tags/OTP-15766:
erts: Document NEW_PID, NEW_PORT, NEWER_REFERENCE
erts: Add missing docs for DFLAG_MAP_TAG and DFLAG_BIG_CREATION
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For the parent commit as a diameter 2.2 patch.
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Commit d9d918b2 added a gen_server whose purpose is to keep track of
visible nodes on which diameter_dist:attach/1 has been called to
register a node as a handler of incoming Diameter requests when
diameter_dist:route_session/2 is configured as spawn_opt MFA. The server
contacts visible nodes at init in order to request information, but
instead of monitoring visible to also be able to request information at
nodeup, it monitored on all nodes, resulting in gen_server casts even to
hidden nodes.
Monitor only on visible nodes since a hidden node may not be able to
deal with the new message.
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into sverker/maint-21/doc-big-creation-tags/OTP-15766
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* lukas/erl_interface/depend-fix/OTP-15757:
erl_interface: Generate dependencies at compile time
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* lukas/erts/fix-fd-driver-select/OTP-15753:
erts: Fix sys_driver to correctly deselect fds
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* sverker/crypto/bcmp-memcmp-fix/OTP-15750:
crypto: Fix link error on windows
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* rickard/ts-find-ubuntu-inst/OTP-15716:
Find installed OTP for Ubuntu
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* hans/ssh/accept_callback_socket/OTP-15763:
ssh: Present peername for accept_callback fun also for Sockets
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* hans/ssh/ssh_channel-init/OTP-15762:
ssh: Add ssh_channel:init/1
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that was misstakeingly lost when introducing ssh_client_channel.erl
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Incorrect precidence rules made the driver never
deselect the given fds.
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Replace deprecated 'bcmp' with 'memcmp'.
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* sverker/process_info-reductions-fix/OTP-15709:
erts: Fix bug in process_info(reductions)
erts: Use ptr_val for pointer in gc msg copy
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'john/kernel/compressed-file-read-degradation/OTP-15706/ERIERL-336' into maint-21
* john/kernel/compressed-file-read-degradation/OTP-15706/ERIERL-336:
erl_tar: Use read_ahead when reading compressed tar files
kernel: Fix performance regression on reading compressed files
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* john/erts/seq_trace-sigq-clearing/OTP-15704:
erts: Handle all signal types when clearing seq_trace token
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returning incorrect result as
* current process might not be RUNNING in which case REDS_IN
is actually used as def_arg_reg[5]
* FCALLS might not have been swapped out
* the SAVED_CALLS case was wrong and returned number of reds left
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Cherry-pick: 3d7d66b84b69f3eb42e8bcd8dc510b6676e31cac
Without this fix asserts would trigger in debug build
but nothing else would break.
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Jumping around in a compressed file is nowhere near as cheap as
for uncompressed files, as it requires reading and decompressing
up until the desired position. Using read_ahead will improve
performance slightly.
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An internal buffer size was too small, causing a considerable
performance degradation compared to OTP 20.
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We walk through all signal queues in the system when clearing
seq_trace, so we must be prepared to encounter all kinds of
signals.
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maint-21
* max-au/erts/dirty_scheduler_shutdown/PR-2172/OTP-15690:
erts: release dirty runqueue lock before entering endless loop when BEAM is shutting down
# Conflicts:
# erts/emulator/beam/erl_process.c
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* rickard/dirty-resume/OTP-15688:
Fix reception of resume signal on process executing dirty
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'lars/xmerl-scan-attribute-fixes/OTP-15684/OTP-15685/ERL-837/ERL-475' into maint-21
* lars/xmerl-scan-attribute-fixes/OTP-15684/OTP-15685/ERL-837/ERL-475:
[xmerl] Normalize attribute correctly when references are used
[xmerl] Replace character refs correctly in attributes
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shutting down
This patch fixes a problem happening when BEAM is shutting down. It is possible for a dirty scheduler to take the lock, and keep it, when the system is shutting down. It may also happen that a normal scheduler decides to schedule some dirty job (example is major garbage collection that results in migrating the process into dirty CPU queue), and hangs trying to take the lock that will never be released.
To fix the problem, either release the lock before entering endless wait loop, or reverse the order in which schedulers are stopped. Either fix works, and, of course, it works even better to apply both.
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