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[2a02:a44f:d2f0:0:4c98:2052:ada4:62d5]) by smtp.gmail.com with ESMTPSA id la9sm1354054ejb.121.2020.11.06.09.32.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Nov 2020 09:32:51 -0800 (PST) From: Pavel Procopiuc Subject: Re: Regression: QCA6390 fails with "mm/page_alloc: place pages to tail in __free_pages_core()" To: David Hildenbrand Cc: 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 References: <225718f1-c4b0-8683-427a-059148a39350@gmail.com> Message-ID: <15e33a0a-9a76-0966-125a-5941e2cdfb09@gmail.com> Date: Fri, 6 Nov 2020 18:32:50 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable 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: Op 05.11.2020 om 21:23 schreef David Hildenbrand: >> So just to make sure I understand you correctly, you'd like to see if = the problem with ath11k driver on my hardware persists when I boot pristi= ne 5.10-rc2 kernel (without reverting commit 7fef431be9c9ac255838a9578331= 567b9dba4477) and with page_alloc.shuffle=3D1, right? >> >=20 > Right, but as lists are randomized then it might take a couple of tries= to reproduce. I=E2=80=98ll have a look at the driver code / failing path= on Monday, when back to work. I have done 5 boots of pristine 5.10-rc2 with page_alloc.shuffle=3D1. Out= of those: 1st, 2nd, 4th and 5th resulted in=20 working ath11k driver, logs were the same as with the commit 7fef431be9c9= ac255838a9578331567b9dba4477 reverted. The 3rd=20 one failed, but in a different way, I just had no output from the driver = after initialization lines: Nov 06 18:19:41 razor kernel: Linux version 5.10.0-rc2 (root@razor) (gcc = (Gentoo 9.3.0-r1 p3) 9.3.0, GNU ld (Gentoo 2.34=20 p6) 2.34.0) #8 SMP Fri Nov 6 18:14:36 CET 2020 Nov 06 18:19:41 razor kernel: pci 0000:05:00.0: [17cb:1101] type 00 class= 0x028000 Nov 06 18:19:41 razor kernel: pci 0000:05:00.0: reg 0x10: [mem 0xd2100000= -0xd21fffff 64bit] Nov 06 18:19:41 razor kernel: pci 0000:05:00.0: PME# supported from D0 D3= hot D3cold Nov 06 18:19:41 razor kernel: pci 0000:05:00.0: 4.000 Gb/s available PCIe= bandwidth, limited by 5.0 GT/s PCIe x1 link at=20 0000:00:1c.1 (capable of 7.876 Gb/s with 8.0 GT/s PCIe x1 link) Nov 06 18:19:41 razor kernel: pci 0000:05:00.0: Adding to iommu group 21 Nov 06 18:19:42 razor kernel: ath11k_pci 0000:05:00.0: WARNING: ath11k PC= I support is experimental! Nov 06 18:19:42 razor kernel: ath11k_pci 0000:05:00.0: BAR 0: assigned [m= em 0xd2100000-0xd21fffff 64bit] Nov 06 18:19:42 razor kernel: ath11k_pci 0000:05:00.0: enabling device (0= 000 -> 0002) Nov 06 18:19:42 razor kernel: mhi 0000:05:00.0: Requested to power ON Nov 06 18:19:42 razor kernel: mhi 0000:05:00.0: Power on setup success I had this before and usually it was fixed after rebooting into Windows a= nd back. This time I just went and rebooted=20 into Linux again and driver was working on that boot (4th). After that I removed page_alloc.shuffle=3D1 and did 2 additional boots, b= oth of them resulted in a non-working driver with=20 the error messages about not being able to talk to firmware like I had be= fore on the clean 5.10-rc2: Nov 06 18:24:07 razor kernel: Linux version 5.10.0-rc2 (root@razor) (gcc = (Gentoo 9.3.0-r1 p3) 9.3.0, GNU ld (Gentoo 2.34=20 p6) 2.34.0) #9 SMP Fri Nov 6 18:22:43 CET 2020 Nov 06 18:24:07 razor kernel: pci 0000:05:00.0: [17cb:1101] type 00 class= 0x028000 Nov 06 18:24:07 razor kernel: pci 0000:05:00.0: reg 0x10: [mem 0xd2100000= -0xd21fffff 64bit] Nov 06 18:24:07 razor kernel: pci 0000:05:00.0: PME# supported from D0 D3= hot D3cold Nov 06 18:24:07 razor kernel: pci 0000:05:00.0: 4.000 Gb/s available PCIe= bandwidth, limited by 5.0 GT/s PCIe x1 link at=20 0000:00:1c.1 (capable of 7.876 Gb/s with 8.0 GT/s PCIe x1 link) Nov 06 18:24:07 razor kernel: pci 0000:05:00.0: Adding to iommu group 21 Nov 06 18:24:08 razor kernel: ath11k_pci 0000:05:00.0: WARNING: ath11k PC= I support is experimental! Nov 06 18:24:08 razor kernel: ath11k_pci 0000:05:00.0: BAR 0: assigned [m= em 0xd2100000-0xd21fffff 64bit] Nov 06 18:24:08 razor kernel: ath11k_pci 0000:05:00.0: enabling device (0= 000 -> 0002) Nov 06 18:24:08 razor kernel: mhi 0000:05:00.0: Requested to power ON Nov 06 18:24:08 razor kernel: mhi 0000:05:00.0: Power on setup success Nov 06 18:24:08 razor kernel: ath11k_pci 0000:05:00.0: Respond mem req fa= iled, result: 1, err: 0 Nov 06 18:24:08 razor kernel: ath11k_pci 0000:05:00.0: qmi failed to resp= ond fw mem req:-22 Nov 06 18:24:13 razor kernel: ath11k_pci 0000:05:00.0: qmi failed memory = request, err =3D -110 Nov 06 18:24:13 razor kernel: ath11k_pci 0000:05:00.0: qmi failed to resp= ond fw mem req:-110 Nov 06 18:25:39 razor kernel: mhi 0000:05:00.0: Device failed to exit MHI= Reset state