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<H1>[Mageia-dev] urpmi segfaults on the build system (was Re: Our BS is about to eat packages?)</H1>
<B>Colin Guthrie</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20urpmi%20segfaults%20on%20the%20build%20system%20%28was%20Re%3A%20Our%0A%20BS%20is%20about%20to%20eat%20packages%3F%29&In-Reply-To=%3C5036989B.4060909%40colin.guthr.ie%3E"
TITLE="[Mageia-dev] urpmi segfaults on the build system (was Re: Our BS is about to eat packages?)">mageia at colin.guthr.ie
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<I>Thu Aug 23 22:54:51 CEST 2012</I>
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<PRE>'Twas brillig, and Olivier Blin at 11/08/12 11:33 did gyre and gimble:
><i> nicolas vigier <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">boklm at mars-attacks.org</A>> writes:
</I>><i>
</I>>><i> On Mon, 29 Aug 2011, Michael Scherer wrote:
</I>><i>
</I>><i> [...]
</I>><i>
</I>>>>><i> After looking at the problem, I suspect it could be linked to texmf.
</I>>>>><i> Each time iurt install it, the process stop.
</I>>>><i>
</I>>>><i> Boklm found the problem, it was urpmi segfaulting.
</I>>>><i>
</I>>>><i> We remove the chroot, and thing seems to be ok now again.
</I>>><i>
</I>>><i> But we probably still have the problem, as segfaults seems to be
</I>>><i> happenning not all the time.
</I>>><i>
</I>>><i> After succesfully reproducing the error using the old chroot and running
</I>>><i> urpmi several times, the backtrace :
</I>>><i>
</I>>><i> #0 0xf7405b29 in _int_malloc () from /lib/i686/libc.so.6
</I>>><i> #1 0xf7408177 in malloc () from /lib/i686/libc.so.6
</I>>><i> #2 0xf6eadfa8 in __os_malloc (env=0xb442db8, size=4149199776, storep=0xffbbf5cc) at ../os/os_alloc.c:253
</I>>><i> #3 0xf6eac47c in __memp_sync_int (env=0xb442db8, dbmfp=0xb893130, trickle_max=0, flags=8, wrote_totalp=0x0, interruptedp=0x0)
</I>>><i> at ../mp/mp_sync.c:294
</I>>><i> #4 0xf6eacfaf in __memp_fsync (dbmfp=0xb893130) at ../mp/mp_sync.c:202
</I>>><i> #5 0xf6e3cdf9 in __db_sync (dbp=0xb8963e8) at ../db/db_am.c:706
</I>>><i> #6 0xf6e3aa68 in __db_refresh (dbp=0xb8963e8, txn=0x0, flags=0, deferred_closep=0xffbbf6fc, reuse=0) at ../db/db.c:819
</I>>><i> #7 0xf6e3adc5 in __db_close (dbp=0xb8963e8, txn=0x0, flags=0) at ../db/db.c:695
</I>>><i> #8 0xf6e52a38 in __db_close_pp (dbp=0xb8963e8, flags=0) at ../db/db_iface.c:253
</I>>><i> #9 0xf72fec45 in db3close (dbi=0xb893030, flags=0) at backend/db3.c:494
</I>>><i> #10 0xf73071c6 in dbiClose (db=0xb2b6950) at ../lib/rpmdb_internal.h:453
</I>>><i> #11 rpmdbClose (db=0xb2b6950) at rpmdb.c:852
</I>>><i> #12 0xf73379d6 in rpmtsCloseDB (ts=0xb231b20) at rpmts.c:64
</I>>><i> #13 0xf7337a48 in rpmtsFree (ts=0xb231b20) at rpmts.c:567
</I>>><i> #14 0xf736c7a1 in XS_URPM__DB_DESTROY (my_perl=0x8d42008, cv=0x8e2d420) at URPM.xs:2794
</I>><i>
</I>><i> [...]
</I>><i>
</I>><i> Hello,
</I>><i>
</I>><i> After hitting the issue yesterday with the "git" package, we had a look
</I>><i> at the issue together with pterjan.
</I>><i> I had to merge some patches in valgrind to support the new compressed
</I>><i> debug info first, but then valgrind spotted some interesting issues.
</I>><i>
</I>><i> pterjan fixed some of them, fixes are now in perl-URPM 4.12.
</I>><i> It should help preventing "build loops" in the BS.
</I>><i>
</I>><i> Attached is the valgrind log with remaining issues, maybe insightful for
</I>><i> Titi.
</I>
jonund was seeing plenty urpmi segv's today...
Col
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Colin Guthrie
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