https://bugzilla.samba.org/show_bug.cgi?id=8666
Summary: --debug=all9 fail
Product: rsync
Version: 3.1.0
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P5
Component: core
AssignedTo: way...@samba.org
ReportedBy: ch...@onthe.net.au
QAContact: rsync...@samba.org
There are at least 2 recursive calls when running --debug=all9:
(gdb) bt
#1 0x0000000000434996 in perform_io (needed=60, flags=4) at ../rsync/io.c:608
#2 0x0000000000435b71 in send_msg (code=MSG_INFO, buf=0x7fffa60c7da0
"[receiver] perform_io(60, msgroom) needs to flush 33\n", len=53, convert=0) at
../rsync/io.c:955
#3 0x0000000000429840 in rwrite (code=FINFO, buf=0x7fffa60c7da0 "[receiver]
perform_io(60, msgroom) needs to flush 33\n", len=53, is_utf8=0) at
../rsync/log.c:277
#4 0x0000000000429f37 in rprintf (code=FINFO, format=0x46c8c8 "[%s]
perform_io(%ld, msgroom) needs to flush %ld\n") at ../rsync/log.c:433
#5 0x0000000000434996 in perform_io (needed=60, flags=4) at ../rsync/io.c:608
...and so on ad-infinitum. If the rprintf() at io.c:608 is patched out, you get
this instead:
(gdb) bt
#0 0x0000000000429a11 in rwrite (code=FINFO, buf=0x7fff3006b8e0 "[generator]
reduced size of iobuf.msg (-3)\n", len=43, is_utf8=0) at ../rsync/log.c:321
#1 0x0000000000429f37 in rprintf (code=FINFO, format=0x46c6e8 "[%s] reduced
size of %s (-%d)\n") at ../rsync/log.c:433
#2 0x00000000004345a5 in reduce_iobuf_size (out=0x6839c0, new_size=32765) at
../rsync/io.c:488
#3 0x0000000000435b46 in send_msg (code=MSG_INFO, buf=0x7fff3006d770
"[generator] reduced size of iobuf.msg (-3)\n", len=43, convert=0) at
../rsync/io.c:964
#4 0x0000000000429a16 in rwrite (code=FINFO, buf=0x7fff3006d770 "[generator]
reduced size of iobuf.msg (-3)\n", len=43, is_utf8=0) at ../rsync/log.c:321
...and so on ad-infinitum. If the rprintf() at io.c:488 is patched out you no
longer get these recursive debug calls (but might there be others lurking?).
For what it's worth, this was whilst running:
/tmp/rsync-testing --rsync-path=/tmp/rsync-testing -aHXX --numeric-ids
--debug=all9 --link-dest=../A --link-dest=../B C/ server:$PWD/C/
...where the directory hierarchies are quite substantial.
Cheers!
Chris.
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