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From: Naresh Kamboju <naresh.kamboju@linaro.org>
Date: Thu, 29 Feb 2024 19:44:01 +0530
Message-ID: <CA+G9fYtddf2Fd3be+YShHP6CmSDNcn0ptW8qg+stUKW+Cn0rjQ@mail.gmail.com>
Subject: WinLink E850-96: WARNING: at block/blk-settings.c:204 blk_validate_limits
To: linux-block <linux-block@vger.kernel.org>, lkft-triage@lists.linaro.org, 
	open list <linux-kernel@vger.kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>, Christian Brauner <brauner@kernel.org>, 
	Ulf Hansson <ulf.hansson@linaro.org>, Arnd Bergmann <arnd@arndb.de>, 
	Dan Carpenter <dan.carpenter@linaro.org>, Anders Roxell <anders.roxell@linaro.org>
Content-Type: text/plain; charset="UTF-8"

The arm64 WinLink E850-96 Board boot failed with 16K and 64K page size builds
Please find the below warning log on Linux next-20240229.
First noticed on the next-20240220 tag.

This issue arises only when one of these Kconfig options is enabled.
  CONFIG_ARM64_16K_PAGES=y
  CONFIG_ARM64_64K_PAGES=y

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Warning log:
-------
[    2.231008] mmc_host mmc0: Bus speed (slot 0) = 49968750Hz (slot
req 52000000Hz, actual 49968750HZ div = 0)
[    2.231714] mmc_host mmc0: Bus speed (slot 0) = 399750000Hz (slot
req 200000000Hz, actual 199875000HZ div = 1)
[    2.241961] mmc0: new HS400 Enhanced strobe MMC card at address 0001
[    2.249182] ------------[ cut here ]------------
[    2.252371] WARNING: CPU: 3 PID: 90 at block/blk-settings.c:204
blk_validate_limits (block/blk-settings.c:204 (discriminator 1))
[    2.261056] Modules linked in:
[    2.264082] CPU: 3 PID: 90 Comm: kworker/3:1 Not tainted
6.8.0-rc6-next-20240229 #1
[    2.271724] Hardware name: WinLink E850-96 board (DT)
[    2.276756] Workqueue: events_freezable mmc_rescan
[    2.281534] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    2.288479] pc : blk_validate_limits (block/blk-settings.c:204
(discriminator 1))
[    2.293076] lr : blk_set_default_limits (block/blk-settings.c:241)
<trim>
[    2.337595] PM: genpd: Disabling unused power domains
[    2.338361] xhci-hcd xhci-hcd.0.auto: remove, state 84
[    2.338391] usb usb1: USB disconnect, device number 1
[    2.343322]  x1 : 0000000000001000 x0 : ffff8000a504f888
[    2.343335] Call trace:
[    2.343339] blk_validate_limits (block/blk-settings.c:204 (discriminator 1))
[    2.343350] blk_alloc_queue (block/blk-core.c:421)
[    2.343362] blk_mq_alloc_queue (block/blk-mq.c:4083 (discriminator 4))
[    2.350571] ALSA device list:
[    2.352700] xhci-hcd xhci-hcd.0.auto: USB bus 1 deregistered
[    2.355651] __blk_mq_alloc_disk (block/blk-mq.c:4130)
[    2.355664] mmc_alloc_disk (drivers/mmc/core/queue.c:379)
[    2.355678] mmc_init_queue (drivers/mmc/core/queue.c:463)
[    2.359577]   No soundcards found.
[    2.362942] mmc_blk_alloc_req (drivers/mmc/core/block.c:2500
(discriminator 1))
[    2.362951] mmc_blk_probe (drivers/mmc/core/block.c:2603
drivers/mmc/core/block.c:3025)
[    2.446877] mmc_bus_probe (drivers/mmc/core/bus.c:132)
[    2.446892] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658)
[    2.454016] __driver_probe_device (drivers/base/dd.c:800)
[    2.458346] driver_probe_device (drivers/base/dd.c:830)
[    2.462513] __device_attach_driver (drivers/base/dd.c:959)
[    2.466939] bus_for_each_drv (drivers/base/bus.c:457)
[    2.470761] __device_attach (drivers/base/dd.c:1032)
[    2.474579] device_initial_probe (drivers/base/dd.c:1080)
[    2.478746] bus_probe_device (drivers/base/bus.c:532)
[    2.482563] device_add (drivers/base/core.c:3646)
[    2.486037] mmc_add_card (drivers/mmc/core/bus.c:371)
[    2.489683] mmc_attach_mmc (drivers/mmc/core/mmc.c:2353)
[    2.493500] mmc_rescan (drivers/mmc/core/core.c:2097 (discriminator
1) drivers/mmc/core/core.c:2259 (discriminator 1))
[    2.496974] process_one_work (kernel/workqueue.c:3253)
[    2.500966] worker_thread (kernel/workqueue.c:3322 (discriminator
2) kernel/workqueue.c:3409 (discriminator 2))
[    2.504700] kthread (kernel/kthread.c:388)
[    2.507914] ret_from_fork (arch/arm64/kernel/entry.S:861)
[    2.511473] ---[ end trace 0000000000000000 ]---
[    2.516435] mmcblk: probe of mmc0:0001 failed with error -22
[    2.522114] Waiting for root device /dev/mmcblk0p12...

Kconfig:
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2ccVUNsQjaWBcREYI0wFRjzG3oa/config

Steps to reproduce:
 - https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2ccVWjLtBJ3IuDSKLkyaFholQ67/reproducer

Links:
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240229/testrun/22884460/suite/boot/test/gcc-13-lkftconfig-16k_page_size/log
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240229/testrun/22884435/suite/boot/test/gcc-13-lkftconfig-64k_page_size/details/
 - https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2d2JxLaSCZ6cTNGMeKdCbAjk9Sh
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2d2JuyeiEHCtWGJYV80n1tF77lh/


--
Linaro LKFT
https://lkft.linaro.org