Re: limits in directory size

Olaf Hering <[email protected]> Fri, 19 Jan 2024 14:13:00 +0100
Newsgroups	gmane.network.unison.general
Message-ID	<[email protected]>
Fri, 19 Jan 2024 07:39:33 -0500 Greg Troxel <[email protected]>:

> Olaf Hering <[email protected]> writes:
> > I have not tried to do the same move on the destination side, nor have
> > I tried to tweak the stack, to get things going.  
> It really depends on what resource is being exhausted, heap vs stack, vs
> something els?  And whether this is hitting an OS limit or if there is
> some limit in the ocaml runtime.

After installing the debuginfo, it looks like a stack overflow. 
There are 285358 frames reported by gdb.
There were about ~35400 files inside the renamed directories.

The stacktrace looks like shown below.

The crash occurred during propagating the changes
It turned out: just running unison again, and syncing the same profile again, succeeded.
So from my side the issue is solved, just by running unsion one more time.

I might be able to reproduce it again, be renaming the two directories one more time.


Olaf

#0  caml_hash (count=<optimized out>, limit=<optimized out>, seed=<optimized out>, obj=15) at hash.c:196
#1  0x000055bdf7673810 in camlStdlib__Hashtbl__key_index_1273 () at hashtbl.ml:504
#2  0x000055bdf7673ac2 in camlStdlib__Hashtbl__find_1304 () at hashtbl.ml:538
#3  0x000055bdf75efcdc in camlAbort__errorCountCell_421 () at src/abort.ml:40
#4  0x000055bdf75eff98 in camlAbort__check_547 () at src/abort.ml:46
#5  0x000055bdf760aed2 in camlFiles__fun_4454 () at src/files.ml:665
#6  0x000055bdf7627853 in camlLwt_util__fun_607 () at src/lwt/lwt_util.ml:77
#7  0x000055bdf76262e3 in camlLwt__apply_356 () at src/lwt/lwt.ml:61
#8  0x000055bdf76277a2 in camlLwt_util__run_in_region_1_449 () at src/lwt/lwt.ml:95
#9  0x000055bdf76262e3 in camlLwt__apply_356 () at src/lwt/lwt.ml:61
#10 0x000055bdf76265fc in camlLwt__fun_547 () at src/lwt/lwt.ml:80
#11 0x000055bdf763eda0 in camlStdlib__List__iter_507 () at list.ml:110
#12 0x000055bdf76260ba in camlLwt__restart_281 () at src/lwt/lwt.ml:31
#13 0x000055bdf76276c7 in camlLwt_util__leave_region_443 () at src/lwt/lwt.ml:69
#14 0x000055bdf7627898 in camlLwt_util__fun_622 () at src/lwt/lwt_util.ml:78
...
#285323 0x000055bdf763eda0 in camlStdlib__List__iter_507 () at list.ml:110
#285324 0x000055bdf76260ba in camlLwt__restart_281 () at src/lwt/lwt.ml:31
#285325 0x000055bdf76276c7 in camlLwt_util__leave_region_443 () at src/lwt/lwt.ml:69
#285326 0x000055bdf7627898 in camlLwt_util__fun_622 () at src/lwt/lwt_util.ml:78
#285327 0x000055bdf76262e3 in camlLwt__apply_356 () at src/lwt/lwt.ml:61
#285328 0x000055bdf76265fc in camlLwt__fun_547 () at src/lwt/lwt.ml:80
#285329 0x000055bdf763eda0 in camlStdlib__List__iter_507 () at list.ml:110
#285330 0x000055bdf76260ba in camlLwt__restart_281 () at src/lwt/lwt.ml:31
#285331 0x000055bdf76276c7 in camlLwt_util__leave_region_443 () at src/lwt/lwt.ml:69
#285332 0x000055bdf7627898 in camlLwt_util__fun_622 () at src/lwt/lwt_util.ml:78
#285333 0x000055bdf76262e3 in camlLwt__apply_356 () at src/lwt/lwt.ml:61
#285334 0x000055bdf76265fc in camlLwt__fun_547 () at src/lwt/lwt.ml:80
#285335 0x000055bdf763eda0 in camlStdlib__List__iter_507 () at list.ml:110
#285336 0x000055bdf76260ba in camlLwt__restart_281 () at src/lwt/lwt.ml:31
#285337 0x000055bdf76276c7 in camlLwt_util__leave_region_443 () at src/lwt/lwt.ml:69
#285338 0x000055bdf7627898 in camlLwt_util__fun_622 () at src/lwt/lwt_util.ml:78
#285339 0x000055bdf76262e3 in camlLwt__apply_356 () at src/lwt/lwt.ml:61
#285340 0x000055bdf76265fc in camlLwt__fun_547 () at src/lwt/lwt.ml:80
#285341 0x000055bdf763eda0 in camlStdlib__List__iter_507 () at list.ml:110
#285342 0x000055bdf76260ba in camlLwt__restart_281 () at src/lwt/lwt.ml:31
#285343 0x000055bdf76276c7 in camlLwt_util__leave_region_443 () at src/lwt/lwt.ml:69
#285344 0x000055bdf76277e8 in camlLwt_util__fun_616 () at src/lwt/lwt_util.ml:77
#285345 0x000055bdf76262e3 in camlLwt__apply_356 () at src/lwt/lwt.ml:61
#285346 0x000055bdf76265fc in camlLwt__fun_547 () at src/lwt/lwt.ml:80
#285347 0x000055bdf763eda0 in camlStdlib__List__iter_507 () at list.ml:110
#285348 0x000055bdf76260ba in camlLwt__restart_281 () at src/lwt/lwt.ml:31
#285349 0x000055bdf7627da3 in camlLwt_unix_impl__restart_threads_621 () at src/lwt/lwt.ml:69
#285350 0x000055bdf762838c in camlLwt_unix_impl__run_715 () at src/lwt/generic/lwt_unix_impl.ml:125
#285351 0x000055bdf76140ae in camlUicommon__transportItems_1958 () at src/uicommon.ml:736
#285352 0x000055bdf74e2707 in camlDune__exe__Uigtk3__synchronize_8710 () at src/uigtk3.ml:3736
#285353 0x000055bdf74b4482 in camlDune__exe__Uigtk3__getLock_945 () at src/uigtk3.ml:138
#285354 0x000055bdf74f53d1 in camlGtkSignal__safe_call_inner_801 () at src/gtkSignal.ml:61
...

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