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Mon, 04 Aug 2025 07:57:24 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b79c470102sm15695200f8f.53.2025.08.04.07.57.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Aug 2025 07:57:23 -0700 (PDT) Date: Mon, 4 Aug 2025 17:57:21 +0300 From: Dan Carpenter To: Naresh Kamboju , linux-nfs@vger.kernel.org, linux-block@vger.kernel.org Cc: linux-rockchip@lists.infradead.org, linux-mm , Netdev , open list , lkft-triage@lists.linaro.org, Linux Regressions , Heiko Stuebner , Andrew Morton , "David S. Miller" , Arnd Bergmann , Anders Roxell , Ben Copeland Subject: Re: next-20250717: arm64: rk3399-rock-pi-4b: NFS mount failure with 64K page size Message-ID: <54178266-64e5-4869-8359-26f1c8cd14bc@suswa.mountain> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 4D82DC0014 X-Stat-Signature: jhbh4tahj7k6r9u81b6n3q7bacaizqt4 X-Rspam-User: X-HE-Tag: 1754319446-905335 X-HE-Meta: U2FsdGVkX19SBQyOON3eFP8SM8oko074cNNiKef8779JNT8Hx0s+e779uI18VmZ1XBi3FokzonvMliinRCfKqMriz/fvySTJ2kJJZv3INbpPVyfV548SjskUQbcNof72dRvwc8CHMzQPVgVOP9De0x77B+YQIyYHqNniv8B6j5/oP3Z8hPx7tlw5+bVJO5fvb0TYSMAtw+yyz2kP61p8C+kCY2ZaLVEEpN26vKtFLaEpyNftN0KZpy0O/DMC9LDMcPD6FI7kGkEo5bS6ZJeQcxrkj+AAwxpqcYz8TL4/ubeOowtAya5TXZBMmMvUwdUAl/sQ0kpa3irdTr8xFP1juKyfsmzXAyidyIw9eV/YFVDiGXLea86gV/NQ8DySjHlT6N3nkqitdcIBnzL4cwJ6cfFFpwg1HePDViF2YguwIQxUQT+13xvtZdjhcxb3D2Ljilpblfs4HfDKSIqrkemRCmbiGRnXlXLXRckD78RglSLfozM26+RfzQZfF9bFL5fJ0aDueCpt4Cmu4hiWJWriJYVd7yPylLos9MGbgbAsvp8DeuI4k23N2FtjO7LcKfu6OBjmB+GA0VWBceNpfwaQ7BfaEGxsMzKQiXhqitQLxuMD2+PjE/NLniVr7KFypNX5xdV+avbvxDn+s7+qTFofmWUtEZbT371RfrMofv+++QmIc3eVFhtfMxDQ1bDNJ2Kf1TWT09nKplfR31ANOvTRSi5u+LQ3Xc5NW6hZe2dT3byGrFT+9rigFIRrqkaq+/fhVOCZjdyH+jWpT3avbZE+j15j4sVdthutSD2w4Ro+sfMLjNp2JJ7UcbP8bHPGoKbcH2MEteuo6gmata3+D0OSSg/l+Mdv/tK+52B+NoA5FwsK4TjsHTHMnh3Q9y7cykBOMDruYUdXr0eF7Zmss2X/t+6f32Q+WXCYqbKUQiQyuklfmrZHkCf+b6JFwqrXbxzVCkH6it+cPGQ8iZTSVIl Q92JpYrF 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 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: List-Subscribe: List-Unsubscribe: This is an ongoing issue still in the latest linux-next. It's quite a strange bug because why would it only affect rk3399-rock-pi-4b? The only thing I see which touched fs/nfs between next-20250716 and next-20250717 is commit e9d8e2bf2320 ("fs: change write_begin/write_end interface to take struct kiocb *"). That patch is pretty straight forward and wouldn't have caused something like this. Let me add linux-block to the CC list as well to see if they have any ideas. regards, dan carpenter On Tue, Jul 22, 2025 at 07:59:11PM +0530, Naresh Kamboju wrote: > The rk3399-rock-pi-4b device fails to mount the root filesystem over > NFS when the kernel is built with 64K page size. > CONFIG_ARM64_64K_PAGES=y > > This regression was first observed with the Linux next-20250717 tag > and continues to persist through next-20250722. > > Device: rk3399-rock-pi-4b > Build Configuration: lkftconfig-64k_page_size > > Regression Window: > > Good: next-20250716 > Bad: next-20250717.. Still Bad: next-20250722 > > Kernel Config Impact: > CONFIG_ARM64_64K_PAGES=y - NFS mount fails > CONFIG_ARM64_4K_PAGES=y - NFS mount works as expected > > Regression Analysis: > - New regression? Yes > - Reproducibility? Yes > > Boot regression: next-20250717 arm64 rk3399-rock-pi-4b NFS mount > failure with 64K page size > > Reported-by: Linux Kernel Functional Testing > > ## Boot log > > [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034] > [ 0.000000] Linux version 6.16.0-rc6-next-20250717 > (tuxmake@tuxmake) (aarch64-linux-gnu-gcc (Debian 13.3.0-16) 13.3.0, > GNU ld (GNU Binutils for Debian) 2.44) #1 SMP PREEMPT @1752747461 > [ 0.000000] KASLR disabled due to lack of seed > [ 0.000000] Machine model: Radxa ROCK Pi 4B > [ 0.000000] efi: UEFI not found. > [ 0.000000] earlycon: uart0 at MMIO32 0x00000000ff1a0000 (options > '1500000n8') > [ 0.000000] printk: legacy bootconsole [uart0] enabled > [ 0.000000] OF: reserved mem: Reserved memory: No reserved-memory > node in the DT > [ 0.000000] NUMA: Faking a node at [mem > 0x0000000000200000-0x00000000f7ffffff] > > > > [ 6.520442] Sending DHCP requests .. > [ 13.295867] platform sdio-pwrseq: deferred probe pending: > pwrseq_simple: reset control not ready > [ 13.295887] dwmmc_rockchip fe310000.mmc: IDMAC supports 32-bit address mode. > [ 13.296260] rockchip-pm-domain > ff310000.power-management:power-controller: sync_state() pending due > to fe310000.mmc > [ 13.296278] rockchip-pm-domain > ff310000.power-management:power-controller: sync_state() pending due > to ff650000.video-codec > [ 13.297085] dwmmc_rockchip fe310000.mmc: Using internal DMA controller. > [ 13.297660] rockchip-pm-domain > ff310000.power-management:power-controller: sync_state() pending due > to ff660000.video-codec > [ 13.298653] dwmmc_rockchip fe310000.mmc: Version ID is 270a > [ 13.299536] rockchip-pm-domain > ff310000.power-management:power-controller: sync_state() pending due > to ff680000.rga > [ 13.300164] dwmmc_rockchip fe310000.mmc: DW MMC controller at irq > 49,32 bit host data width,256 deep fifo > [ 13.301117] rockchip-pm-domain > ff310000.power-management:power-controller: sync_state() pending due > to ff880000.i2s > [ 13.304227] rockchip-pm-domain > ff310000.power-management:power-controller: sync_state() pending due > to ff8a0000.i2s > [ 13.305148] rockchip-pm-domain > ff310000.power-management:power-controller: sync_state() pending due > to ff8f0000.vop > [ 13.306071] rockchip-pm-domain > ff310000.power-management:power-controller: sync_state() pending due > to ff900000.vop > [ 13.307009] rockchip-pm-domain > ff310000.power-management:power-controller: sync_state() pending due > to ff940000.hdmi > [ 13.307937] rockchip-pm-domain > ff310000.power-management:power-controller: sync_state() pending due > to ff9a0000.gpu > [ 14.620509] ., OK > [ 14.636949] IP-Config: Got DHCP answer from 10.66.16.15, my address > is 10.66.30.7 > [ 14.637647] IP-Config: Complete: > [ 14.637955] device=eth0, hwaddr=0a:fb:82:cd:ed:a8, > ipaddr=10.66.30.7, mask=255.255.240.0, gw=10.66.16.1 > [ 14.638845] host=10.66.30.7, domain=lkftlab, nis-domain=(none) > [ 14.639417] bootserver=0.0.0.0, rootserver=10.66.16.116, rootpath= > [ 14.639440] nameserver0=10.66.16.15 > [ 14.641679] clk: Disabling unused clocks > [ 14.646347] dw-apb-uart ff1a0000.serial: forbid DMA for kernel console > [ 14.647091] check access for rdinit=/init failed: -2, ignoring > [ 14.762496] VFS: Mounted root (nfs filesystem) on device 0:22. > [ 14.763768] devtmpfs: mounted > [ 14.775761] Freeing unused kernel memory: 4928K > [ 14.776566] Run /sbin/init as init process > [ 95.816464] random: crng init done > [ 195.556677] nfs: server 10.66.16.116 not responding, still trying > .. > [ 195.556703] nfs: server 10.66.16.116 not responding, still trying > [ 195.556869] nfs: server 10.66.16.116 not responding, still trying > [ 195.557010] nfs: server 10.66.16.116 not responding, still trying > [ 195.557055] nfs: server 10.66.16.116 not responding, still trying > [ 195.557114] nfs: server 10.66.16.116 not responding, still trying > [ 195.557166] nfs: server 10.66.16.116 not responding, still trying > [ 195.557217] nfs: server 10.66.16.116 not responding, still trying > [ 195.557269] nfs: server 10.66.16.116 not responding, still trying > [ 195.557304] nfs: server 10.66.16.116 not responding, still trying > [ 227.459759] nfs: server 10.66.16.116 OK > [ 227.459868] nfs: server 10.66.16.116 OK > [ 227.681008] nfs: server 10.66.16.116 OK > [ 319.645474] nfs: server 10.66.16.116 OK > [ 407.677657] nfs: server 10.66.16.116 OK > [ 499.834818] nfs: server 10.66.16.116 OK > [ 587.895692] nfs: server 10.66.16.116 OK > [ 680.052774] nfs: server 10.66.16.116 OK > [ 768.113810] nfs: server 10.66.16.116 OK > [ 860.270785] nfs: server 10.66.16.116 OK > # > [ 948.331418] nfs: server 10.66.16.116 OK > # > [ 1096.679211] nfs: server 10.66.16.116 OK > # > [ 1274.856436] nfs: server 10.66.16.116 OK > # > [ 1488.985700] nfs: server 10.66.16.116 OK > > > ## Source > * Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git > * Project: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250717/ > * Git sha: 024e09e444bd2b06aee9d1f3fe7b313c7a2df1bb > * Git describe: 6.16.0-rc6-next-20250717 > * kernel version: next-20250717 > * Architectures: arm64 (rock-pi-4b) > * Toolchains: gcc-13 > * Kconfigs: defconfig+64K page size > > ## Test > * Test log: https://qa-reports.linaro.org/api/testruns/29168904/log_file/ > * Test LAVA: https://lkft.validation.linaro.org/scheduler/job/8364278#L924 > * Test run: https://regressions.linaro.org/lkft/linux-next-master/next-20250717/testruns/1662101/ > * Test plan: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2zzwHDuV3xvZBKkAtqlmroSxuIS > * Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2zzwEbz0aS3AtluE2oRQ9gMvFTY/ > * Kernel config: > https://storage.tuxsuite.com/public/linaro/lkft/builds/2zzwEbz0aS3AtluE2oRQ9gMvFTY/config > > > -- > Linaro LKFT > https://lkft.linaro.org