From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ed1-x52a.google.com ([2a00:1450:4864:20::52a]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kacmG-0003nR-8R for ath11k@lists.infradead.org; Thu, 05 Nov 2020 10:46:01 +0000 Received: by mail-ed1-x52a.google.com with SMTP id a71so1004298edf.9 for ; Thu, 05 Nov 2020 02:45:58 -0800 (PST) Subject: Re: Regression: QCA6390 fails with "mm/page_alloc: place pages to tail in __free_pages_core()" References: <87lffjodu7.fsf@codeaurora.org> <87ft5rszcs.fsf@codeaurora.org> <87ft5qsem9.fsf@codeaurora.org> <87blgdscxd.fsf@codeaurora.org> <229c31e7-9aff-18e6-a6db-be7b46331173@gmail.com> <87361onphy.fsf_-_@codeaurora.org> From: Pavel Procopiuc Message-ID: <2dfa9cd3-5b95-3e0b-8ffa-64d38540c573@gmail.com> Date: Thu, 5 Nov 2020 11:45:56 +0100 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "ath11k" Errors-To: ath11k-bounces+kvalo=adurom.com@lists.infradead.org To: Vlastimil Babka , Kalle Valo , david@redhat.com Cc: linux-mm@kvack.org, akpm@linux-foundation.org, linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, linux-kernel@vger.kernel.org Op 05.11.2020 om 11:42 schreef Vlastimil Babka: > Let me paste from the ath11k discussion: > >> * Relevant errors from the log: >> # journalctl -b | grep -iP '05:00|ath11k' >> Nov 02 10:41:26 razor kernel: pci 0000:05:00.0: [17cb:1101] type 00 class 0x028000 >> Nov 02 10:41:26 razor kernel: pci 0000:05:00.0: reg 0x10: [mem 0xd2100000-0xd21fffff 64bit] >> Nov 02 10:41:26 razor kernel: pci 0000:05:00.0: PME# supported from D0 D3hot D3cold >> Nov 02 10:41:26 razor kernel: pci 0000:05:00.0: 4.000 Gb/s available PCIe bandwidth, limited by 5.0 GT/s PCIe x1 link >> at 0000:00:1c.1 (capable of 7.876 Gb/s with 8.0 GT/s PCIe x1 link) >> Nov 02 10:41:26 razor kernel: pci 0000:05:00.0: Adding to iommu group 21 >> Nov 02 10:41:27 razor kernel: ath11k_pci 0000:05:00.0: WARNING: ath11k PCI support is experimental! >> Nov 02 10:41:27 razor kernel: ath11k_pci 0000:05:00.0: BAR 0: assigned [mem 0xd2100000-0xd21fffff 64bit] >> Nov 02 10:41:27 razor kernel: ath11k_pci 0000:05:00.0: enabling device (0000 -> 0002) >> Nov 02 10:41:27 razor kernel: mhi 0000:05:00.0: Requested to power ON >> Nov 02 10:41:27 razor kernel: mhi 0000:05:00.0: Power on setup success >> Nov 02 10:41:27 razor kernel: ath11k_pci 0000:05:00.0: Respond mem req failed, result: 1, err: 0 > > This seems to be ath11k_qmi_respond_fw_mem_request(). Why is it failure with error 0? No idea. > > What would happen if all the GFP_KERNEL in the file were changed to GFP_DMA32? > > I'm thinking the hardware perhaps doesn't like too high physical addresses or something. But if I think correctly, > freeing to tail should actually move them towards head. So it's weird. Well, in fact I still have this particular error, although the hardware works correctly. This is my current log: # journalctl -b | grep -iP '05:00|ath11k|Linux version' Nov 05 09:43:31 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 p6) 2.34.0) #4 SMP Thu Nov 5 09:26:00 CET 2020 Nov 05 09:43:31 razor kernel: pci 0000:05:00.0: [17cb:1101] type 00 class 0x028000 Nov 05 09:43:31 razor kernel: pci 0000:05:00.0: reg 0x10: [mem 0xd2100000-0xd21fffff 64bit] Nov 05 09:43:31 razor kernel: pci 0000:05:00.0: PME# supported from D0 D3hot D3cold Nov 05 09:43:31 razor kernel: pci 0000:05:00.0: 4.000 Gb/s available PCIe bandwidth, limited by 5.0 GT/s PCIe x1 link at 0000:00:1c.1 (capable of 7.876 Gb/s with 8.0 GT/s PCIe x1 link) Nov 05 09:43:31 razor kernel: pci 0000:05:00.0: Adding to iommu group 21 Nov 05 09:43:32 razor kernel: ath11k_pci 0000:05:00.0: WARNING: ath11k PCI support is experimental! Nov 05 09:43:32 razor kernel: ath11k_pci 0000:05:00.0: BAR 0: assigned [mem 0xd2100000-0xd21fffff 64bit] Nov 05 09:43:32 razor kernel: ath11k_pci 0000:05:00.0: enabling device (0000 -> 0002) Nov 05 09:43:32 razor kernel: mhi 0000:05:00.0: Requested to power ON Nov 05 09:43:32 razor kernel: mhi 0000:05:00.0: Power on setup success Nov 05 09:43:32 razor kernel: ath11k_pci 0000:05:00.0: Respond mem req failed, result: 1, err: 0 Nov 05 09:43:32 razor kernel: ath11k_pci 0000:05:00.0: qmi failed to respond fw mem req:-22 Nov 05 09:43:32 razor kernel: ath11k_pci 0000:05:00.0: chip_id 0x0 chip_family 0xb board_id 0xff soc_id 0xffffffff Nov 05 09:43:32 razor kernel: ath11k_pci 0000:05:00.0: fw_version 0x101c06cc fw_build_timestamp 2020-06-24 19:50 fw_build_id Nov 05 09:43:33 razor NetworkManager[777]: [1604565813.8043] rfkill1: found Wi-Fi radio killswitch (at /sys/devices/pci0000:00/0000:00:1c.1/0000:05:00.0/ieee80211/phy0/rfkill1) (driver ath11k_pci) Nov 05 09:43:35 razor ModemManager[720]: Couldn't check support for device '/sys/devices/pci0000:00/0000:00:1c.1/0000:05:00.0': not supported by any plugin -- ath11k mailing list ath11k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath11k