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[2401:3900:2:1::2]) by mx.google.com with ESMTPS id h34si24147627pld.187.2019.06.04.03.29.23 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 04 Jun 2019 03:29:24 -0700 (PDT) Received-SPF: pass (google.com: domain of sfr@canb.auug.org.au designates 2401:3900:2:1::2 as permitted sender) client-ip=2401:3900:2:1::2; Authentication-Results: mx.google.com; dkim=pass header.i=@canb.auug.org.au header.s=201702 header.b=gZ2toIQ0; spf=pass (google.com: domain of sfr@canb.auug.org.au designates 2401:3900:2:1::2 as permitted sender) smtp.mailfrom=sfr@canb.auug.org.au Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 45J7Sx4Bx3z9s3Z; Tue, 4 Jun 2019 20:29:21 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1559644162; bh=WIejSqOqVWArGUwS80dnLpzCIBBF7ejgcfIQE3A3wCQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=gZ2toIQ0UxbHR2sJ10+sYJ3SvpmBB8I1fSgYFk5s+1NZdNGar/HAcbyHm5IeGMFnH mIiH8YPx44nfKkr/q/hDb3RwgsTD7mHa1pIO9HBM+5s7yUuv4QAGknaIx13Gi/8gfh uLt9OYtw0QMul/6N0CtaibZsOIxxjoju2iQDgG6kU+NxG+Bhhd0TO7ifDJ+Al3Kqny nicJfwpClEdmH/2G2HMmhS68zeaBoDK65fE0Pw2hSKXCpaTnMO4TbkaygK5k/rP9ZQ phjpn1em8KVoDSvmML+aNpDeGayvraC72jiEM4KaLulnjWkRMKl56VhAokuXcJSF9H VjhbSUfU8DQOw== Date: Tue, 4 Jun 2019 20:29:18 +1000 From: Stephen Rothwell To: Sachin Sant Cc: linuxppc-dev@lists.ozlabs.org, linux-next@vger.kernel.org, linux-mm@kvack.org, "Uladzislau Rezki (Sony)" , linux-kernel@vger.kernel.org Subject: Re: [POWERPC][next-20190603] Boot failure : Kernel BUG at mm/vmalloc.c:470 Message-ID: <20190604202918.17a1e466@canb.auug.org.au> In-Reply-To: <9F9C0085-F8A4-4B66-802B-382119E34DF5@linux.vnet.ibm.com> References: <9F9C0085-F8A4-4B66-802B-382119E34DF5@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/n.aGLPJk/wsZDAk8OiMeL=b"; protocol="application/pgp-signature" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --Sig_/n.aGLPJk/wsZDAk8OiMeL=b Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi Sachin, On Tue, 4 Jun 2019 14:45:43 +0530 Sachin Sant = wrote: > > While booting linux-next [next-20190603] on a POWER9 LPAR following > BUG is encountered and the boot fails. >=20 > If I revert the following 2 patches I no longer see this BUG message >=20 > 07031d37b2f9 ( mm/vmalloc.c: switch to WARN_ON() and move it under unlink= _va() ) > 728e0fbf263e ( mm/vmalloc.c: get rid of one single unlink_va() when merge= ) This latter patch has been fixed in today's linux-next ... --=20 Cheers, Stephen Rothwell --Sig_/n.aGLPJk/wsZDAk8OiMeL=b Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAlz2R/4ACgkQAVBC80lX 0GxNXwf/fJ0Go1oz1h68yR3tc7OY90gu/bZ5Klbs+GSN973ZKndwaWH4q79zzjie LYHNzKdPpxDLckq08NQSFajRzh6gIvzI+qeaLHjss93qbxpOhzLRjI7UQsD+isR2 S2HsUU7Tn1hAsVZhbZp3McmIOPIRet/p6jA0K43BH+eeXrcT7R6TOTNkiIV1X1/o AGsvFmJ80rVbJ/q4mCeC4q5Dz0BrTnCRKhHXChocYDPqSRvjSrwfnI+Uqk9ywHuD TIMSsoc1JR/xDGmxnoR8hW91OkQkQ5q8N4OSQSxEqS42HSQkLShxyyHiCBQDQa3N 8jYQuik/cymkDKNlptMJG/Ft6lrldA== =JezC -----END PGP SIGNATURE----- --Sig_/n.aGLPJk/wsZDAk8OiMeL=b--