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[2003:d8:2f34:7900:452f:9cb5:101f:444]) by smtp.gmail.com with ESMTPSA id e25sm4628068wrc.76.2020.11.05.12.23.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Nov 2020 12:23:13 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: David Hildenbrand Mime-Version: 1.0 (1.0) Subject: Re: Regression: QCA6390 fails with "mm/page_alloc: place pages to tail in __free_pages_core()" Date: Thu, 5 Nov 2020 21:23:12 +0100 Message-Id: References: <225718f1-c4b0-8683-427a-059148a39350@gmail.com> Cc: David Hildenbrand , Vlastimil Babka , Kalle Valo , ath11k@lists.infradead.org, linux-mm@kvack.org, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org In-Reply-To: <225718f1-c4b0-8683-427a-059148a39350@gmail.com> To: Pavel Procopiuc X-Mailer: iPhone Mail (18A8395) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Am 05.11.2020 um 13:55 schrieb Pavel Procopiuc = : >=20 > =EF=BB=BFOp 05.11.2020 om 12:13 schreef David Hildenbrand: >> It depends in which order memory is exposed to MM, which might depend on o= ther factors in some configurations. >> This smells like it exposes an existing bug. Can you reproduce also with z= one shuffling enabled? >=20 > So just to make sure I understand you correctly, you'd like to see if the p= roblem with ath11k driver on my hardware persists when I boot pristine 5.10-= rc2 kernel (without reverting commit 7fef431be9c9ac255838a9578331567b9dba447= 7) and with page_alloc.shuffle=3D1, right? >=20 Right, but as lists are randomized then it might take a couple of tries to r= eproduce. I=E2=80=98ll have a look at the driver code / failing path on Mond= ay, when back to work. Cheers!=