On Wed, Jul 3, 2024, at 11:08, Naresh Kamboju wrote: > On Tue, 2 Jul 2024 at 22:36, Greg Kroah-Hartman > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: >> >> This is the start of the stable review cycle for the 6.9.8 release. >> There are 222 patches in this series, all will be posted as a response >> to this one. If anyone has any issues with these being applied, please >> let me know. >> >> Responses should be made by Thu, 04 Jul 2024 17:01:55 +0000. >> Anything received after that time might be too late. >> >> The whole patch series can be found in one patch at: >> https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.8-rc1.gz >> or in the git tree and branch at: >> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y >> and the diffstat can be found below. >> >> thanks, >> >> greg k-h >> > > The following kernel warning was noticed on arm64 Qualcomm db845c device while > booting stable-rc 6.9.8-rc1. > > This is not always a reproducible warning. I see that commit 77691af484e2 ("scsi: ufs: core: Quiesce request queues before checking pending cmds") got backported, and this adds direct calls to the function that warns, so this is my first suspicion without having done a detailed analysis. Adding everyone from that commit to Cc. Naresh, could you try reverting that commit? Arnd > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > Boot log: > ------ > [ 0.000000] Linux version 6.9.8-rc1 (tuxmake@tuxmake) (Debian clang > version 18.1.8 (++20240615103650+3b5b5c1ec4a3-1~exp1~20240615223815.136), > Debian LLD 18.1.8) #1 SMP PREEMPT @1719942561 > [ 0.000000] KASLR enabled > [ 0.000000] Machine model: Thundercomm Dragonboard 845c > ... > [ 7.097994] ------------[ cut here ]------------ > [ 7.097997] WARNING: CPU: 5 PID: 418 at block/blk-mq.c:262 > blk_mq_unquiesce_tagset (/builds/linux/block/blk-mq.c:295 > /builds/linux/block/blk-mq.c:297) > [ 7.098009] Modules linked in: drm_display_helper qcom_q6v5_mss > camcc_sdm845 i2c_qcom_geni videobuf2_memops qcom_rng bluetooth > videobuf2_common spi_geni_qcom qrtr gpi phy_qcom_qmp_usb aux_bridge > stm_core slim_qcom_ngd_ctrl qcrypto phy_qcom_qmp_ufs cfg80211 rfkill > icc_osm_l3 phy_qcom_qmp_pcie lmh ufs_qcom slimbus qcom_wdt > pdr_interface llcc_qcom qcom_q6v5_pas(+) qcom_pil_info icc_bwmon > qcom_q6v5 display_connector qcom_sysmon qcom_common drm_kms_helper > qcom_glink_smem mdt_loader qmi_helpers drm backlight socinfo rmtfs_mem > [ 7.098062] Hardware name: Thundercomm Dragonboard 845c (DT) > [ 7.098064] Workqueue: devfreq_wq devfreq_monitor > [ 7.098071] pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > [ 7.098074] pc : blk_mq_unquiesce_tagset > (/builds/linux/block/blk-mq.c:295 /builds/linux/block/blk-mq.c:297) > [ 7.098077] lr : blk_mq_unquiesce_tagset > (/builds/linux/block/blk-mq.c:262 /builds/linux/block/blk-mq.c:297) > [ 7.098080] sp : ffff8000812f3b40 > [ 7.098081] x29: ffff8000812f3b40 x28: 00000000000f4240 x27: 20c49ba5e353f7cf > [ 7.098086] x26: 0000000000000000 x25: 0000000000000000 x24: ffff5bbe0a2e9910 > [ 7.098089] x23: ffff5bbe01f1a170 x22: ffff5bbe0a2e9220 x21: 0000000000000000 > [ 7.098093] x20: ffff5bbe0a2e9620 x19: ffff5bbe01f1a0e0 x18: 0000000000000002 > [ 7.098096] x17: 0000000000000400 x16: 0000000000000400 x15: 00000000a63e566e > [ 7.098099] x14: 0000000000015eb9 x13: ffff8000812f0000 x12: ffff8000812f4000 > [ 7.098103] x11: 7cea885bfc7e6700 x10: ffffb0c2e5eb69ac x9 : 0000000000000000 > [ 7.098106] x8 : ffff5bbe0a2e9624 x7 : ffff5bbe0c828000 x6 : 0000000000000003 > [ 7.098110] x5 : 00000000000009d3 x4 : 000000000000039e x3 : ffff8000812f3af0 > [ 7.098113] x2 : ffff5bbe0a2acc00 x1 : 0000000000000000 x0 : 0000000000000000 > [ 7.098117] Call trace: > [ 7.098118] blk_mq_unquiesce_tagset > (/builds/linux/block/blk-mq.c:295 /builds/linux/block/blk-mq.c:297) > [ 7.098121] ufshcd_devfreq_scale > (/builds/linux/drivers/ufs/core/ufshcd.c:2050 > /builds/linux/drivers/ufs/core/ufshcd.c:1426 > /builds/linux/drivers/ufs/core/ufshcd.c:1472) > [ 7.098126] ufshcd_devfreq_target > (/builds/linux/drivers/ufs/core/ufshcd.c:1581) > [ 7.098129] devfreq_set_target (/builds/linux/drivers/devfreq/devfreq.c:364) > [ 7.098132] devfreq_update_target (/builds/linux/drivers/devfreq/devfreq.c:0) > [ 7.098134] devfreq_monitor (/builds/linux/drivers/devfreq/devfreq.c:461) > [ 7.098136] process_scheduled_works > (/builds/linux/kernel/workqueue.c:3272 > /builds/linux/kernel/workqueue.c:3348) > [ 7.098141] worker_thread (/builds/linux/include/linux/list.h:373 > /builds/linux/kernel/workqueue.c:955 > /builds/linux/kernel/workqueue.c:3430) > [ 7.098143] kthread (/builds/linux/kernel/kthread.c:390) > [ 7.098146] ret_from_fork (/builds/linux/arch/arm64/kernel/entry.S:861) > [ 7.098150] ---[ end trace 0000000000000000 ]--- > > > Full boot log link: > - > https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.9.y/build/v6.9.7-223-g03247eed042d/testrun/24504400/suite/log-parser-boot/test/check-kernel-exception/log > - https://lkft.validation.linaro.org/scheduler/job/7711345#L5312 > > Details of build and test environment: > - > https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2ihUJNrmztabOMpKVRNzLpixoUR > > Build, vmlinux, System.map and Image, > - > https://storage.tuxsuite.com/public/linaro/lkft/builds/2ihUHH774XQWba653iwCVtCnpjl/ > > metadata: > ------- > git_describe: v6.9.7-223-g03247eed042d > git_repo: > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git > git_sha: 03247eed042d6a770c3a2adaeed6b7b4a0f0b46c > kernel-config: > https://storage.tuxsuite.com/public/linaro/lkft/builds/2ihUHH774XQWba653iwCVtCnpjl/config > kernel_version: 6.9.8-rc1 > toolchain: clang-18 > build-url: > https://storage.tuxsuite.com/public/linaro/lkft/builds/2ihUHH774XQWba653iwCVtCnpjl/ > build_name: clang-18-lkftconfig > > -- > Linaro LKFT > https://lkft.linaro.org