From unknown Wed Jun 25 00:22:53 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#22122 <22122@debbugs.gnu.org> To: bug#22122 <22122@debbugs.gnu.org> Subject: Status: {python,python2}-statsmodels on i686: "SVD did not converge" Reply-To: bug#22122 <22122@debbugs.gnu.org> Date: Wed, 25 Jun 2025 07:22:53 +0000 retitle 22122 {python,python2}-statsmodels on i686: "SVD did not converge" reassign 22122 guix submitter 22122 Mark H Weaver severity 22122 normal thanks From debbugs-submit-bounces@debbugs.gnu.org Wed Dec 09 20:02:00 2015 Received: (at submit) by debbugs.gnu.org; 10 Dec 2015 01:02:00 +0000 Received: from localhost ([127.0.0.1]:38252 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1a6pcE-0007c0-R2 for submit@debbugs.gnu.org; Wed, 09 Dec 2015 20:02:00 -0500 Received: from eggs.gnu.org ([208.118.235.92]:50505) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1a6pcA-0007ZB-HT for submit@debbugs.gnu.org; Wed, 09 Dec 2015 20:01:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a6hrW-0002m5-8r for submit@debbugs.gnu.org; Wed, 09 Dec 2015 11:45:07 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50 autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:53054) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a6hrW-0002lx-6A for submit@debbugs.gnu.org; Wed, 09 Dec 2015 11:45:06 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50895) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a6hrU-0004Li-Sc for bug-guix@gnu.org; Wed, 09 Dec 2015 11:45:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a6hrR-0002iT-HI for bug-guix@gnu.org; Wed, 09 Dec 2015 11:45:04 -0500 Received: from world.peace.net ([50.252.239.5]:57419) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a6hrR-0002iP-Ea for bug-guix@gnu.org; Wed, 09 Dec 2015 11:45:01 -0500 Received: from [10.1.10.78] (helo=jojen) by world.peace.net with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1a6hrH-0007FB-JW; Wed, 09 Dec 2015 11:44:51 -0500 From: Mark H Weaver To: bug-guix@gnu.org Subject: {python,python2}-statsmodels on i686: "SVD did not converge" Date: Wed, 09 Dec 2015 11:44:50 -0500 Message-ID: <87h9jreflp.fsf@netris.org> MIME-Version: 1.0 Content-Type: text/plain X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 0.0 (/) Both python-statsmodels and python2-statsmodels sometimes fail on i686 during the "statsmodels.tsa.tests.test_arima.test_start_params_bug" test with the error "LinAlgError: SVD did not converge". Here's an excerpt of one such error: --8<---------------cut here---------------start------------->8--- statsmodels.tsa.tests.test_arima.test_compare_arma ... ok statsmodels.tsa.tests.test_arima.test_reset_trend ... ok statsmodels.tsa.tests.test_arima.test_start_params_bug ... ERROR ====================================================================== ERROR: statsmodels.tsa.tests.test_arima.test_start_params_bug ---------------------------------------------------------------------- Traceback (most recent call last): File "/gnu/store/vp0l7cx9j7gzrd2kr0iass3nzvlc5yq3-python-nose-1.3.4/lib/python3.4/site-packages/nose-1.3.4-py3.4.egg/nose/case.py", line 198, in runTest self.test(*self.arg) File "/gnu/store/ny8ihp8q2wkffg978wwrzphxgr3s8xj5-python-statsmodels-0.6.1/lib/python3.4/site-packages/statsmodels-0.6.1-py3.4-linux-i686.egg/statsmodels/tsa/tests/test_arima.py", line 535, in test_start_params_bug res = ARMA(data, order=(4,1)).fit(disp=-1) File "/gnu/store/ny8ihp8q2wkffg978wwrzphxgr3s8xj5-python-statsmodels-0.6.1/lib/python3.4/site-packages/statsmodels-0.6.1-py3.4-linux-i686.egg/statsmodels/tsa/arima_model.py", line 932, in fit callback=callback, **kwargs) File "/gnu/store/ny8ihp8q2wkffg978wwrzphxgr3s8xj5-python-statsmodels-0.6.1/lib/python3.4/site-packages/statsmodels-0.6.1-py3.4-linux-i686.egg/statsmodels/base/model.py", line 425, in fit full_output=full_output) File "/gnu/store/ny8ihp8q2wkffg978wwrzphxgr3s8xj5-python-statsmodels-0.6.1/lib/python3.4/site-packages/statsmodels-0.6.1-py3.4-linux-i686.egg/statsmodels/base/optimizer.py", line 184, in _fit hess=hessian) File "/gnu/store/ny8ihp8q2wkffg978wwrzphxgr3s8xj5-python-statsmodels-0.6.1/lib/python3.4/site-packages/statsmodels-0.6.1-py3.4-linux-i686.egg/statsmodels/base/optimizer.py", line 382, in _fit_lbfgs **extra_kwargs) File "/gnu/store/1bx2plf9pmhrfvgb2d36321hr9grh2vg-python-scipy-0.16.0/lib/python3.4/site-packages/scipy/optimize/lbfgsb.py", line 188, in fmin_l_bfgs_b **opts) File "/gnu/store/1bx2plf9pmhrfvgb2d36321hr9grh2vg-python-scipy-0.16.0/lib/python3.4/site-packages/scipy/optimize/lbfgsb.py", line 320, in _minimize_lbfgsb f, g = func_and_grad(x) File "/gnu/store/1bx2plf9pmhrfvgb2d36321hr9grh2vg-python-scipy-0.16.0/lib/python3.4/site-packages/scipy/optimize/lbfgsb.py", line 266, in func_and_grad f = fun(x, *args) File "/gnu/store/1bx2plf9pmhrfvgb2d36321hr9grh2vg-python-scipy-0.16.0/lib/python3.4/site-packages/scipy/optimize/optimize.py", line 285, in function_wrapper return function(*(wrapper_args + args)) File "/gnu/store/ny8ihp8q2wkffg978wwrzphxgr3s8xj5-python-statsmodels-0.6.1/lib/python3.4/site-packages/statsmodels-0.6.1-py3.4-linux-i686.egg/statsmodels/base/model.py", line 403, in f = lambda params, *args: -self.loglike(params, *args) / nobs File "/gnu/store/ny8ihp8q2wkffg978wwrzphxgr3s8xj5-python-statsmodels-0.6.1/lib/python3.4/site-packages/statsmodels-0.6.1-py3.4-linux-i686.egg/statsmodels/tsa/arima_model.py", line 761, in loglike return self.loglike_kalman(params, set_sigma2) File "/gnu/store/ny8ihp8q2wkffg978wwrzphxgr3s8xj5-python-statsmodels-0.6.1/lib/python3.4/site-packages/statsmodels-0.6.1-py3.4-linux-i686.egg/statsmodels/tsa/arima_model.py", line 771, in loglike_kalman return KalmanFilter.loglike(params, self, set_sigma2) File "/gnu/store/ny8ihp8q2wkffg978wwrzphxgr3s8xj5-python-statsmodels-0.6.1/lib/python3.4/site-packages/statsmodels-0.6.1-py3.4-linux-i686.egg/statsmodels/tsa/kalmanf/kalmanfilter.py", line 649, in loglike R_mat, T_mat) File "statsmodels/tsa/kalmanf/kalman_loglike.pyx", line 342, in statsmodels.tsa.kalmanf.kalman_loglike.kalman_loglike_double (statsmodels/tsa/kalmanf/kalman_loglike.c:5245) File "statsmodels/tsa/kalmanf/kalman_loglike.pyx", line 74, in statsmodels.tsa.kalmanf.kalman_loglike.kalman_filter_double (statsmodels/tsa/kalmanf/kalman_loglike.c:2572) File "/gnu/store/mc60m1v7d0m7qdfsmhwf2k1qadhkdggm-python-numpy-1.9.1/lib/python3.4/site-packages/numpy/linalg/linalg.py", line 1585, in pinv u, s, vt = svd(a, 0) File "/gnu/store/mc60m1v7d0m7qdfsmhwf2k1qadhkdggm-python-numpy-1.9.1/lib/python3.4/site-packages/numpy/linalg/linalg.py", line 1327, in svd u, s, vt = gufunc(a, signature=signature, extobj=extobj) File "/gnu/store/mc60m1v7d0m7qdfsmhwf2k1qadhkdggm-python-numpy-1.9.1/lib/python3.4/site-packages/numpy/linalg/linalg.py", line 99, in _raise_linalgerror_svd_nonconvergence raise LinAlgError("SVD did not converge") numpy.linalg.linalg.LinAlgError: SVD did not converge ---------------------------------------------------------------------- Ran 3206 tests in 468.902s FAILED (SKIP=24, errors=1) phase `check' failed after 498.0 seconds --8<---------------cut here---------------end--------------->8--- Mark From debbugs-submit-bounces@debbugs.gnu.org Mon Aug 28 05:31:49 2017 Received: (at 22122) by debbugs.gnu.org; 28 Aug 2017 09:31:49 +0000 Received: from localhost ([127.0.0.1]:58648 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dmGOb-0003hx-6P for submit@debbugs.gnu.org; Mon, 28 Aug 2017 05:31:49 -0400 Received: from world.peace.net ([50.252.239.5]:42595) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dmGOY-0003hj-Cl for 22122@debbugs.gnu.org; Mon, 28 Aug 2017 05:31:47 -0400 Received: from pool-72-93-33-39.bstnma.east.verizon.net ([72.93.33.39] helo=jojen) by world.peace.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1dmGOR-0001XR-FL; Mon, 28 Aug 2017 05:31:39 -0400 From: Mark H Weaver To: 22122@debbugs.gnu.org Subject: Re: {python,python2}-statsmodels on i686: "SVD did not converge" Date: Mon, 28 Aug 2017 05:31:20 -0400 Message-ID: <87378chwd3.fsf@netris.org> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 22122 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 0.0 (/) I analyzed Hydra's database, and discovered that these "SVD did not converge" test failures on i686 depend only on which machine attempts the build, and are otherwise deterministic. hydra.gnunet.org fails 100% of the time. It has *never* passed this test on i686. chapters.gnu.org also fails 100% of the time. guix.sjd.se consistently passes the test, since at least as far back as July 2016. Mark From debbugs-submit-bounces@debbugs.gnu.org Wed Aug 30 04:55:27 2017 Received: (at 22122) by debbugs.gnu.org; 30 Aug 2017 08:55:27 +0000 Received: from localhost ([127.0.0.1]:33290 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dmymU-0004lb-Sb for submit@debbugs.gnu.org; Wed, 30 Aug 2017 04:55:27 -0400 Received: from eggs.gnu.org ([208.118.235.92]:51066) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dmymT-0004lN-1u for 22122@debbugs.gnu.org; Wed, 30 Aug 2017 04:55:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dmymK-0004tg-R5 for 22122@debbugs.gnu.org; Wed, 30 Aug 2017 04:55:20 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:33282) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dmymK-0004tb-Mk; Wed, 30 Aug 2017 04:55:16 -0400 Received: from [193.50.110.251] (port=48194 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1dmymJ-0003ET-OY; Wed, 30 Aug 2017 04:55:16 -0400 From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=) To: Mark H Weaver Subject: Re: bug#22122: {python, python2}-statsmodels on i686: "SVD did not converge" References: <87h9jreflp.fsf@netris.org> <87378chwd3.fsf@netris.org> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 13 Fructidor an 225 de la =?utf-8?Q?R=C3=A9volution?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-unknown-linux-gnu Date: Wed, 30 Aug 2017 10:55:14 +0200 In-Reply-To: <87378chwd3.fsf@netris.org> (Mark H. Weaver's message of "Mon, 28 Aug 2017 05:31:20 -0400") Message-ID: <87efrt77v1.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 22122 Cc: 22122@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) Mark H Weaver skribis: > I analyzed Hydra's database, and discovered that these "SVD did not > converge" test failures on i686 depend only on which machine attempts > the build, and are otherwise deterministic. > > hydra.gnunet.org fails 100% of the time. It has *never* passed this > test on i686. chapters.gnu.org also fails 100% of the time. > > guix.sjd.se consistently passes the test, since at least as far back as > July 2016. Weird. Could it be that something in the stack uses ISA extensions? (What could it be on i686?) Ludo=E2=80=99. From debbugs-submit-bounces@debbugs.gnu.org Mon Aug 17 00:36:47 2020 Received: (at 22122-done) by debbugs.gnu.org; 17 Aug 2020 04:36:47 +0000 Received: from localhost ([127.0.0.1]:58929 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k7Wt4-0004bA-PK for submit@debbugs.gnu.org; Mon, 17 Aug 2020 00:36:47 -0400 Received: from mail-qk1-f175.google.com ([209.85.222.175]:40553) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k7Wt0-0004au-5g for 22122-done@debbugs.gnu.org; Mon, 17 Aug 2020 00:36:45 -0400 Received: by mail-qk1-f175.google.com with SMTP id 62so13916648qkj.7 for <22122-done@debbugs.gnu.org>; Sun, 16 Aug 2020 21:36:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:in-reply-to:references:user-agent:date :message-id:mime-version; bh=5XoXhOYOyrg68PfQv7Oay3skurzEG8EurWZ6or3NrX0=; b=U2Odzvzo/Ak0Hr7A1jiLTSUjR4VGb7kjxXjW1B2uyBwnxQWhibTl6jGDDAPRgNuo9k HUKdIip8DdSYB9BSfvSF2Tu6lYALAW3AKhtAwAox74z5hIgaJUFUz/pfq10ZDQLnunJU qI0QZ+8r47joNsnr/R4BqGWg4xPGuQFMTw7u37a8cMa4TrQA+QAIgK7Z2oJMGOlOWulf xE7L93F7BeOLjKP61HLUG0na48Ib8r/W8PYHdkjv40d4qNvUP+Bq2SkEQ3fEwNyi0npV aIsWGrQfI+We8yFDLt1+slbaD8BHYXSAAy4REFzrUN6+CUJjZRjBWLb7j1Wb+Ik3Uiyp k0dA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references :user-agent:date:message-id:mime-version; bh=5XoXhOYOyrg68PfQv7Oay3skurzEG8EurWZ6or3NrX0=; b=eWCKsuLS01qapYzDNsfn9a/t/HcBZIPZOUkDvDMiNYi+sXHt/NPDmhqUQZ55z/sbsM 8lqTWGwwCAxHH4fiqufvHwxlyqt0H+qA37eJHX4Ud405pB9OTSce1RkX6jspHH+v4Ok3 fM6ifWvyAuy6udqLqJRJM53sZY+rtjptLGkvV7VLybnexgF+nUNQVhI2Vvtsj+OgBzT2 kpqHPtKWNFTPb7vaVczvuB47RFgaeka579fbhXudH+Mtsag/nl4RZtFsoj4HYZmv8/HN dUOOysEJcquieEmkzCnzPWLmBjOlZY2pXBxTtNYJAn1ImD2XC1RRhKHNIsod8AALLfsL d0HQ== X-Gm-Message-State: AOAM5319ZWU1t4PqE8FahS8S4EohXjnCqFvHig0dIEee3Xvmcq88DpPF iUUzmFP9Uzjx1NaksLugkBtDIWdK9I7AQw== X-Google-Smtp-Source: ABdhPJwsACMoXz+Dn6r6H35FeRA/7cHU3FM/2r0vqXfMQeP5MPQb/WHcMtRssHBnvcAw/DrEl3D+Uw== X-Received: by 2002:a37:a1d3:: with SMTP id k202mr11356399qke.143.1597638996620; Sun, 16 Aug 2020 21:36:36 -0700 (PDT) Received: from hurd (dsl-150-243.b2b2c.ca. [66.158.150.243]) by smtp.gmail.com with ESMTPSA id y3sm16131165qkd.132.2020.08.16.21.36.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Aug 2020 21:36:36 -0700 (PDT) From: Maxim Cournoyer To: Mark H Weaver Subject: Re: bug#22122: {python, python2}-statsmodels on i686: "SVD did not converge" In-Reply-To: <87h9jreflp.fsf@netris.org> (Mark H. Weaver's message of "Wed, 09 Dec 2015 11:44:50 -0500") References: <87h9jreflp.fsf@netris.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) Date: Mon, 17 Aug 2020 00:36:35 -0400 Message-ID: <87pn7px50s.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 22122-done Cc: 22122-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Hi Mark, > Both python-statsmodels and python2-statsmodels sometimes fail on i686 > during the "statsmodels.tsa.tests.test_arima.test_start_params_bug" test > with the error "LinAlgError: SVD did not converge". Here's an excerpt > of one such error: As the test suite as been considered unreliable as a whole and disabled in the package definition, I'm closing this issue. Maxim From unknown Wed Jun 25 00:22:53 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Mon, 14 Sep 2020 11:24:04 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator