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From Stefan Sperling <s...@elego.de>
Subject Re: SVN 1.10 aborts during merge: assertion failed (start_rev > end_rev)
Date Thu, 07 Jun 2018 14:30:49 GMT
On Thu, Jun 07, 2018 at 02:19:59PM +0000, Rolf Campbell wrote:
> I'm running a 2-URL merge, and svn is aborting when trying to resolve conflicts on a
directory that's been added both locally and as part of the other branch being merged in.
 I cannot reproduce this using simple setups, I have not been able to isolate what exactly
triggers this behaviour, but it is reproducable on my repository.
> 
> 
> Here's the exact command that I run:
> 
> svn merge ^/trunk ^/branches/feature/sempv2_vpn_mon_7 .
> 
> 
> It produces many pages of add/modifies/deletes (the merge involve thousands of files),
and then it starts interactive resolution of the conflicts.
> 
> 
> Summary of conflicts:
>   Text conflicts: 40
>   Tree conflicts: 64
> 
> 
> I start by choosing "mf" for the first 5 conflicts, and then when it get to the 6th conflict,
it prints this:
> 
> Merge conflicts in 'solcbr/common/commands/config/about/aboutCommands.py' marked as resolved.
> Searching tree conflict details for 'solcbr/common/commands/config/about/user' in repository:
> svn: E235000: In file 'subversion/libsvn_client/conflicts.c' line 2257: assertion failed
(start_rev > end_rev)
> Aborted (core dumped)
> 
> For this path the "user" diroctory was added in both the "mon_7" branch and in the local
branch.
> 
> Is this something that I should be raising a bug for?  I didn't see any bugs like this
raised yet.

Hi Rolf,

Yes, please file an issue. I will try to look into this ASAP.

If you could find a way for me to reproduce this problem
locally that would be very much appreciated.

Regards,
Stefan

> 
> 
> Backtrace from coredumpctl
> 
> $ coredumpctl dump -o core.core
>            PID: 12115 (svn)
>            UID: 1000 (rolf)
>            GID: 1000 (rolf)
>         Signal: 6 (ABRT)
>      Timestamp: Thu 2018-06-07 10:15:53 EDT (2min 43s ago)
>   Command Line: svn merge -v ^/trunk ^/branches/feature/sempv2_vpn_mon_7 .
>     Executable: /usr/bin/svn
>  Control Group: /user.slice/user-1000.slice/user@1000.service/gnome-terminal-server.service
>           Unit: user@1000.service
>      User Unit: gnome-terminal-server.service
>          Slice: user-1000.slice
>      Owner UID: 1000 (rolf)
>        Boot ID: bb60a0b96550448fa5b28a1b529839c2
>     Machine ID: e2af878696fe4a589a249c535fc30788
>       Hostname: rolf-linux
>        Storage: /var/lib/systemd/coredump/core.svn.1000.bb60a0b96550448fa5b28a1b529839c2.12115.1528380953000000.lz4
>        Message: Process 12115 (svn) of user 1000 dumped core.
> 
>                 Stack trace of thread 12115:
>                 #0  0x00007fe79bdaaf2b raise (libc.so.6)
>                 #1  0x00007fe79bd95561 abort (libc.so.6)
>                 #2  0x00007fe79d9f5212 svn_error_abort_on_malfunction (libsvn_subr-1.so.0)
>                 #3  0x00007fe7a01041cf find_revision_for_suspected_deletion (libsvn_client-1.so.0)
>                 #4  0x00007fe7a01072de conflict_tree_get_details_incoming_add (libsvn_client-1.so.0)
>                 #5  0x00007fe7a01034f9 svn_client_conflict_tree_get_details (libsvn_client-1.so.0)
>                 #6  0x0000564e75aaa474 svn_cl__resolve_conflict (svn)
>                 #7  0x0000564e75abb357 conflict_walker (svn)
>                 #8  0x00007fe7a010f312 conflict_status_walker (libsvn_client-1.so.0)
>                 #9  0x00007fe79fe6c8a8 send_status_structure (libsvn_wc-1.so.0)
>                 #10 0x00007fe79fe6ded3 get_dir_status (libsvn_wc-1.so.0)
>                 #11 0x00007fe79fe6f291 svn_wc__internal_walk_status (libsvn_wc-1.so.0)
>                 #12 0x00007fe7a010f494 svn_client_conflict_walk (libsvn_client-1.so.0)
>                 #13 0x0000564e75abb63c svn_cl__walk_conflicts (svn)
>                 #14 0x0000564e75ab4a58 svn_cl__merge (svn)
>                 #15 0x0000564e75ac004e sub_main (svn)
>                 #16 0x0000564e75aa50e7 main (svn)
>                 #17 0x00007fe79bd9718b __libc_start_main (libc.so.6)
>                 #18 0x0000564e75aa516a _start (svn)
> 
> 
> 
> 
> -Rolf

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