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OTP-15450
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* sverker/erts/sendfile-error-bug/ERL-784/OTP-15461:
erts: Fix hanging sendfile bugs when socket closes unexpectedly
erts: Fix unexpected inet_reply message from failing file:sendfile
erts: Fix bug in sendfile for active socket
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* sverker/erts/cuddle-driver_SUITE:
erts: Fix faulty assert in driver_SUITE
erts: Improve driver_SUITE:smp_select
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* john/erts/assert-dirty-aux-work:
Abort when aux work runs on a dirty scheduler
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A failing file:sendfile call would often send a message
{inet_reply, Port, {error, Reason}} that would pollute the mailbox
of the calling process.
TCP_REQ_SENDFILE has its own reply messages format
{sendfile, _, _} and does not expect an inet_reply message.
Solution: Suppress inet_reply error message if TCP_ADDF_SENDFILE
is set.
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driver_select() was called after port had been killed
by tcp_inet_sendfile() calling tcp_send_error().
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* lukas/erts/fix-msacc-gc-states/OTP-15450:
erts: Fix msacc GC states on dirty scheds
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Added config checks for the sctp struct field:
sctp_event_subscribe.sctp_authentication_event
Also, if-def'ed the code accordingly.
If-def'ed code to handle the (non-) existence of IP_PMTUDISC_PROBE
and IPV6_PMTUDISC_PROBE for the IP and IPv6 MTU_DISCOVER options.
OTP-14831
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While the system will keep working, the aux work will never run
and the affected scheduler never goes to sleep. OTP-15446 is a
good example of this.
As this error easily flies under the radar it's best to make it
immediately visible. The assertions we had in debug builds were
clearly not enough to catch all sources of this problem.
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* maint:
erts: fix attempt to start timer when executing on dirty scheduler
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erts: fix attempt to start timer when executing on dirty scheduler
OTP-15446
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Since OTP R20, there is a possibility for MAJOR garbage collection to
run on dirty scheduler. So DistEntry destructor is being called on
dirty scheduler as well. This, in turn, leads to an attempt to schedule
timer on a dirty scheduler too, which is impossible (and will assert
on debug build, but does succeed for release build, creating an
infinite busy loop, since aux work wakes scheduler up, but dirty
scheduler cannot execute aus work).
There is a similar method in erl_hl_timer, see erts_start_timer_callback.
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Added config checks for the sctp struct field:
sctp_event_subscribe.sctp_sender_dry_event
Also, if-def'ed the code accordingly.
OTP-14831
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* sverker/erts/atomics-counters/OTP-13468:
erts: Fix bug in counters
erts: Refactor erl_bif_counters.c
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Wow, that could have been embarrassing.
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with more consistent naming.
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into maint-21
* john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237:
Allow disabling retpoline in interpreter loop
Add a ./configure flag for spectre mitigation
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* maint:
Allow disabling retpoline in interpreter loop
Add a ./configure flag for spectre mitigation
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into maint
* john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237:
Allow disabling retpoline in interpreter loop
Add a ./configure flag for spectre mitigation
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AGAIN
* sverker/erts/atomics-counters/OTP-13468:
erts: Add counters:put/3
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Set drv_use_singleton.fd_stop_select to -2 in start()
as it's only used by driver_SUITE:driver_select_use.
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bmk/20180918/nififying_inet/OTP-14831
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to better detect an actual missing ready_input event
on slow machines (valgrind)
and without wasting time with long sleep on fast machines.
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john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237
* john/erts/spectre-configure-flag/OTP-15430/ERIERL-237:
Allow disabling retpoline in interpreter loop
Add a ./configure flag for spectre mitigation
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We only do this when the user has explicitly told us it's okay to
partially disable mitigation (spectre-mitigation=incomplete). The
macro is inert if it isn't.
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Also fix erts_debug:get_internal_status(node_and_dist_references)
for catree to also search route node keys for offheap stuff.
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to be usable by other application tests.
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with some code moving and removed obsolete comments.
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Attempt to fix the the api_to_connect_tcp[4|6] test cases.
On some linux versions (Ubuntu 14), the backlog seems to not
work. No luck...
OTP-14831
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* john/erts/plusplus-trapping/OTP-15427:
Don't use too many reductions in lists:reverse/2
Make '++'/2 trapping
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* maint:
Fix broken assertion on monitor release
Avoid closing files in gc/monitor callbacks
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* john/erts/defer-orphan-file-close/OTP-15421/ERIERL-261:
Fix broken assertion on monitor release
Avoid closing files in gc/monitor callbacks
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Added a socket close (actually shutdown(write)) for recv and
recvmsg for tcp.
OTP-14831
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* sverker/erts/atomics-counters/OTP-13468:
erts: Add new module 'counters'
erts: Add new module 'atomics'
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We sometimes bump the refc without messing with the table, which
means that we sometimes decrement it while in the table, causing
the old assertion to fail.
The property we want to check is that neither end of the monitor is
present in the table when the monitor is deleted.
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Closing files in these callbacks could block scheduler progress
and cause major system instability. We now defer these operations
to a dedicated process instead.
This process may in turn block forever and prevent further orphaned
files from being closed, but it will keep the emulator itself from
misbehaving.
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* maint:
Remove --/2 from dirty BIF tests
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