Date: Tue, 04 Feb 2020 11:47:15 -0800 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Mark Millard <marklmi@yahoo.com> Cc: Francis Little <oggy@farscape.co.uk>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: head -r357419 vs. svnlite update -rdddddd on PowerMac with 2 sockets, 2 cores each: segmentation fault (not under -r356187) Message-ID: <202002041947.014JlFFR005817@slippy.cwsent.com> In-Reply-To: <F50874A6-9998-40D2-9552-73EF8EE1DF71@yahoo.com> References: <B5EAEE6A-73B0-4BFD-B4D6-879835D195BB.ref@yahoo.com> <B5EAEE6A-73B0-4BFD-B4D6-879835D195BB@yahoo.com> <CAGSRtz7tvoMhVzCp2gdvpKSxS36jyAp%2BXZ8YWQ2NheyXo4hf3A@mail.gmail.com> <F50874A6-9998-40D2-9552-73EF8EE1DF71@yahoo.com>
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Hi Mark, Thanks for the heads up. r357201:has been reverted by 357522. -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few. In message <F50874A6-9998-40D2-9552-73EF8EE1DF71@yahoo.com>, Mark Millard write s: > > > On 2020-Feb-4, at 00:15, Francis Little <oggy@farscape.co.uk> wrote: > > > I have the same issue on my PowerMac G5 running HEAD, svnlite segfaults. > > > > I have installed subversion from ports for now as a workaround. > > I will note that svnlite has not changed in head for some time > but sql3lite (which svnlite uses as I understand) changed at -r357201 > to 3.31.0 . > > In ports sql3lite 3.31.0 has been reverted for segmentation > fault problems with firefox's use of it. (More than firerfox > might have been noticed if sql3lite 3.31.0 had lasted more than > 24 hours.) > > > Regards > > > > On Tue, 4 Feb 2020 at 03:47, Mark Millard via freebsd-ppc <freebsd-ppc@free > bsd.org> wrote: > > Given various issues that have been going on, > > I offer the following as a possible evidence > > for a problem still existing for powerpc64 > > as of head -r357419. Unfortunately, I do not > > have the time or context to do much for > > tracking it down. (I've already spent time > > on other unexpected failures in recent times.) > > > > The report does have a backtrace towards the > > end of this note. > > > > I have reverted to booting an emergency SSD that is > > at head -r356187 in order to have the following work > > instead of getting a segmentation fault on the old > > PowerMac: > > > > # svnlite update -r357473 /mnt/usr/src/ > > Updating '/mnt/usr/src': > > At revision 357473. > > > > (/mnt is a mount of the normal SSD that when booted > > would be at head -r357419 and was intended for a > > update to -r357473 .) > > > > Under head -r357419 on the G5 PowerMac, such a > > command ( then /usr/src/ ) gets a segmentation > > fault instead. (svnlite cleanup then leaves > > things corrupted as well.) > > > > This started by an attempt to update /usr/src/ > > from -r357419 or -r357473 . The -r357419 had > > been established via snvlite update under > > -r356426 and that had no problems. But this > > update under -r357419 just segmentation faulted. > > > > After discovering that I could not update the > > source tree natively, I copied over a -r357473 > > /usr/src/ from elsewhere and checked it with > > diff -r and rsync. I then tried to see if it > > would do like the above but it again > > segmentation faulted instead. (No actual source > > update needed, so a simpler case.) > > > > I did various retries by re-establishing the > > copy with no differences found. Each time > > the result was the same. > > > > So for the above working command, I again > > established the copy before switching boot > > media to the head -r356187 emergency SSD. > > > > Booted from -r356187, svnlite update > > -r357473 on the tree ( now /mnt/usr/src/ ) > > works fine. > > > > As another experiment, before switching to -r356187 , > > I swapped to a head -r356426 kernel copy and got > > the same sort of failing result. But that was mixing > > a 1300075 kernel with a 1300076 world, if I remember > > the numbers right. Still, since -r356426 for both > > kernel and world together updated to -r357419 okay, > > it may suggest that the more recent world contributes > > to or causes the failure instead of it being (just?) > > a kernel problem. > > > > > > FYI: I recorded a backtrace from a core that > > was produced in one of the example failures > > ( under head -r357419 ): > > > > Program terminated with signal SIGSEGV, Segmentation fault. > > . . . > > (gdb) bt > > #0 sqlite3VdbeRecordUnpack (pKeyInfo=0x810df84b8, nKey=0, pKey=0x0, p=0x81 > 16ea448) at /usr/src/contrib/sqlite3/sqlite3.c:81283 > > #1 0x00000008104eec6c in sqlite3VdbeExec (p=0x8116ea308) at /usr/src/contr > ib/sqlite3/sqlite3.c:89367 > > #2 0x00000008104b2f84 in sqlite3Step (p=0x8116ea308) at /usr/src/contrib/s > qlite3/sqlite3.c:83195 > > #3 sqlite3_step (pStmt=0x8116ea308) at /usr/src/contrib/sqlite3/sqlite3.c: > 17724 > > #4 0x0000000010315e6c in svn_sqlite__step (got_row=0x3fffffffffffc484, stm > t=0x811a19420) at /usr/src/contrib/subversion/subversion/libsvn_subr/sqlite.c > :347 > > #5 0x0000000010315fa4 in svn_sqlite__insert (row_id=0x0, stmt=0x811a19420) > at /usr/src/contrib/subversion/subversion/libsvn_subr/sqlite.c:371 > > #6 0x0000000010195bd4 in insert_base_node (pibb=0x3fffffffffffc630, wcroot > =0x810dfd980, local_relpath=0x8119d2191 "sys/kern/sched_ule.c", scratch_pool= > 0x8119d2028) > > at /usr/src/contrib/subversion/subversion/libsvn_wc/wc_db.c:812 > > #7 0x0000000010196688 in svn_wc__db_base_add_file (db=<optimized out>, loc > al_abspath=0x8119d2188 "/usr/src/sys/kern/sched_ule.c", wri_abspath=<optimize > d out>, > > repos_relpath=0x8119d2228 "head/sys/kern/sched_ule.c", repos_root_url=0 > x8116b64f8 "svn://svn0.us-west.freebsd.org/base", repos_uuid=0x8116b6520 "ccf > 9f872-aa2e-dd11-9fc8-001c23d0bc1f", > > revision=357473, props=<optimized out>, changed_rev=<optimized out>, ch > anged_date=<optimized out>, changed_author=<optimized out>, checksum=<optimiz > ed out>, dav_cache=<optimized out>, > > delete_working=<optimized out>, update_actual_props=<optimized out>, ne > w_actual_props=<optimized out>, new_iprops=<optimized out>, keep_recorded_inf > o=<optimized out>, > > insert_base_deleted=<optimized out>, conflict=<optimized out>, work_ite > ms=<optimized out>, scratch_pool=<optimized out>) at /usr/src/contrib/subvers > ion/subversion/libsvn_wc/wc_db.c:1831 > > #8 0x00000000101ceaf0 in close_file (file_baton=0x8119d20a0, expected_md5_ > digest=<optimized out>, pool=<optimized out>) at /usr/src/contrib/subversion/ > subversion/libsvn_wc/update_editor.c:4550 > > #9 0x00000000102eafe8 in close_file (file_baton=0x811a0b0e0, text_checksum > =0x8119ec0e0 "6616ae311ef1f9fb859221cbbe98b2bd", pool=0x8119ec028) > > at /usr/src/contrib/subversion/subversion/libsvn_delta/cancel.c:254 > > #10 0x00000000102194f4 in ra_svn_handle_close_file (conn=<optimized out>, p > ool=0x8119ec028, params=<optimized out>, ds=0x3fffffffffffcb40) > > at /usr/src/contrib/subversion/subversion/libsvn_ra_svn/editorp.c:861 > > #11 0x00000000102184d0 in svn_ra_svn_drive_editor2 (conn=0x811755000, pool= > 0x8116b4868, editor=0x8116b6548, edit_baton=<optimized out>, aborted=0x0, for > _replay=<optimized out>) > > at /usr/src/contrib/subversion/subversion/libsvn_ra_svn/editorp.c:1114 > > #12 0x00000000102153f0 in ra_svn_finish_report (baton=0x8116b66a8, pool=<op > timized out>) at /usr/src/contrib/subversion/subversion/libsvn_ra_svn/client. > c:302 > > #13 0x00000000101e297c in svn_wc_crawl_revisions5 (wc_ctx=0x810dc14f0, loca > l_abspath=<optimized out>, reporter=0x103d00e8 <ra_svn_reporter>, report_bato > n=0x8116b66a8, restore_files=<optimized out>, > > depth=<optimized out>, honor_depth_exclude=<optimized out>, depth_compa > tibility_trick=<optimized out>, use_commit_times=<optimized out>, cancel_func > =<optimized out>, > > cancel_baton=<optimized out>, notify_func=<optimized out>, notify_baton > =<optimized out>, scratch_pool=<optimized out>) at /usr/src/contrib/subversio > n/subversion/libsvn_wc/adm_crawler.c:691 > > #14 0x00000000101741c8 in update_internal (result_rev=0x3fffffffffffd3c8, t > imestamp_sleep=0x3fffffffffffd3d4, conflicted_paths=0x0, ra_session_p=<optimi > zed out>, > > local_abspath=0x8116b4960 "/usr/src", anchor_abspath=<optimized out>, r > evision=<optimized out>, depth=svn_depth_empty, depth_is_sticky=<optimized ou > t>, ignore_externals=<optimized out>, > > allow_unver_obstructions=<optimized out>, adds_as_modification=<optimiz > ed out>, notify_summary=<optimized out>, ctx=<optimized out>, result_pool=<op > timized out>, scratch_pool=<optimized out>) > > at /usr/src/contrib/subversion/subversion/libsvn_client/update.c:501 > > #15 0x0000000010173708 in svn_client__update_internal (result_rev=0x3ffffff > fffffd3c8, timestamp_sleep=0x3fffffffffffd3d4, local_abspath=<optimized out>, > revision=<optimized out>, > > depth=svn_depth_empty, depth_is_sticky=-11320, ignore_externals=<optimi > zed out>, allow_unver_obstructions=<optimized out>, adds_as_modification=<opt > imized out>, make_parents=<optimized out>, > > innerupdate=<optimized out>, ra_session=0x8116a2240, ctx=<optimized out > >, pool=<optimized out>) at /usr/src/contrib/subversion/subversion/libsvn_cli > ent/update.c:648 > > #16 0x0000000010174518 in svn_client_update4 (result_revs=0x3fffffffffffd4f > 0, paths=0x810dfd140, revision=<optimized out>, depth=<optimized out>, depth_ > is_sticky=<optimized out>, > > ignore_externals=<optimized out>, allow_unver_obstructions=<optimized o > ut>, adds_as_modification=<optimized out>, make_parents=<optimized out>, ctx= > <optimized out>, pool=<optimized out>) > > at /usr/src/contrib/subversion/subversion/libsvn_client/update.c:722 > > #17 0x000000001011db9c in svn_cl__update (os=<optimized out>, baton=<optimi > zed out>, scratch_pool=0x810dc0028) at /usr/src/contrib/subversion/subversion > /svn/update-cmd.c:169 > > #18 0x000000001011d118 in sub_main (argc=<optimized out>, argv=<optimized o > ut>, pool=0x810dc0028, exit_code=<optimized out>) at /usr/src/contrib/subvers > ion/subversion/svn/svn.c:3247 > > #19 main (argc=<optimized out>, argv=<optimized out>) at /usr/src/contrib/s > ubversion/subversion/svn/svn.c:3332 > > > > I did not look at the machine code level at all. > > Nor am I familiar with svnlite internals: blind > > copy. > > > > I originally built world and kernel non-debug but > > with debug information. That can contribute to > > interpreting the backtrace. > > > > === > Mark Millard > marklmi at yahoo.com > ( dsl-only.net went > away in early 2018-Mar) > > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >
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