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List:       openembedded-core
Subject:    Re: [OE-core] [PATCH v5 0/5] Add bblock helper scripts
From:       "Julien Stephan" <jstephan () baylibre ! com>
Date:       2023-09-30 14:13:27
Message-ID: CAEHHSvYc-mDkfG0ok=thQ8OLcHae7M+rUNkMk7MKjiEd+S2GMA () mail ! gmail ! com
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Le mer. 27 sept. 2023 Ã  23:17, Richard Purdie
<richard.purdie@linuxfoundation.org> a écrit :
> 
> On Wed, 2023-09-27 at 14:47 +0200, Julien Stephan wrote:
> > Le mer. 27 sept. 2023 Ã  12:16, Alexandre Belloni
> > <alexandre.belloni@bootlin.com> a écrit :
> > > 
> > > Hello,
> > > 
> > > I had a build were all the tests passed, then I had this failure:
> > > 
> > > https://autobuilder.yoctoproject.org/typhoon/#/builders/86/builds/5812/steps/14/logs/stdio
> > >  
> > 
> > Hi Alexandre,
> > I only see
> > 
> > bblock.BBLock.test_lock_single_recipe_all_tasks: FAILED
> > 
> > but I can't see the actual error :( Is it possible to have it somewhere?
> 
> I am a bit worried this will be hard to reproduce/debug so I had a look
> at things as I do really want to get things resolved.
> 
> The error log says:
> 
> WARNING: The quilt:do_build sig is computed to be \
> 255536826e64d835fcc6b5a277e9a3dacaae75318e608fa2df289bdfa23df40e, but the sig is \
> locked to 0f48875f011499948d53edc6abbe9e4efd617d5ef9233055e4b61411cf01cb87 in \
> SIGGEN_LOCKEDSIGS_core2-64 
> and I couldn't reproduce those stamps in a local build or on the
> builder where it failed (once I got access which took a while).
> 
> The "while" is important as I think in the meantime things changed
> which effected the results.
> 
> On the autobuilder, "bitbake quilt -S none" generated stamp files for
> quilt. I did this for "build" and "build-st-3046552", the latter being
> the one where the test failed. There were two different do_build stamps
> generated. The diff:
> 
> bitbake-diffsigs tmp/stamps/core2-64-poky-linux/quilt/0.67.do_build.sigdata.b502a759bb6bceb6c8ccd76b57db2612501bb66bd9c46ece5f99f8bf16d7ac4a \
> ../build/tmp/stamps/core2-64-poky-linux/quilt/0.67.do_build.sigdata.7cf16a1f87d5058e134f3f6fc02612515e28784625413c87d3545e93ae0ab407
>                 
> NOTE: Reconnecting to bitbake server...
> Hash for task dependency diffstat:do_package_write_rpm changed from \
> 41171f7938a2ddbe244372c1cc4300d91b7dca425eb8b214c19262e4949a7f18 to \
> 2211ac20553e9dddc710970cf1a663412ece5b5a2071e47c5471b3ee01efa2ce Hash for task \
> dependency diffstat:do_package changed from \
> f3fe486831eede23d2ebbc1efe2e2510f49f5df6d5d8a8ceb7aa2ddc6e11b1ec to \
> e5ff0ed8a81d8022b0981162e9b4e286886d9e281adee81175725072c3d413ec Unable to find \
> matching sigdata for diffstat:do_package with hash \
> e5ff0ed8a81d8022b0981162e9b4e286886d9e281adee81175725072c3d413ec 
> i.e. a couple of dependencies were different.
> 
> bitbake-diffsigs tmp/stamps/core2-64-poky-linux/diffstat/1.65.do_package.sigdata.f3fe486831eede23d2ebbc1efe2e2510f49f5df6d5d8a8ceb7aa2ddc6e11b1ec \
> ../build/tmp/stamps/core2-64-poky-linux/diffstat/1.65.do_package.sigdata.af8ebe96c5cf424e1094c1599400a56096302e16d0f691daaeec380b963f37b2
>  
> showed no output, i.e. they appear to be the same but different.
> 
> My best guess at what is going on here is hash equivalence causing
> problems.
> 
> So in summary, I think the best solution will be to disable hash
> equivalence for these tests.
> 
> 

Hi Richard,

Thank you a lot for digging into this!
How can I disable the hash equivalence for these tests?

Should I use BB_BASEHASH_IGNORE_VARS for that?

I tried the following:
self.write_config("BB_BASEHASH_IGNORE_VARS += \"TOPDIR\"")

But this doesn't work, I get a lot of errors like the following:
ERROR: When reparsing
/home/jstephan/upstream/yocto/poky/meta/recipes-devtools/quilt/quilt_0.67.bb:do_packagedata,
 the basehash value changed from
8b6adb69d1f05eddb3e86143bf9a51060f4fac153742964bb4a3d53bee93d377 to
9dee5dada20d7f8ccfc89ed3114c428af8c96d665234fead22c25fb118f9f62b. The
metadata is not deterministic and this needs to be fixed.
ERROR: The following commands may help:
ERROR: $ bitbake quilt -cdo_packagedata -Snone
ERROR: Then:
ERROR: $ bitbake quilt -cdo_packagedata -Sprintdiff



Cheers
Julien

> Cheers,
> 

> Richard



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