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Message-ID: <CA+G9fYuOnfvm7N0pa=PNvq=tQsp6CVA34eDq5=rGthEBrdMJuQ@mail.gmail.com> Date: Sat, 21 Jun 2025 13:40:37 +0530 From: Naresh Kamboju <naresh.kamboju@...aro.org> To: open list <linux-kernel@...r.kernel.org>, Linux ARM <linux-arm-kernel@...ts.infradead.org>, lkft-triage@...ts.linaro.org, Linux Regressions <regressions@...ts.linux.dev>, linux-phy@...ts.infradead.org, linux-scsi@...r.kernel.org Cc: Nitin Rawat <quic_nitirawa@...cinc.com>, Vinod Koul <vkoul@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>, Kishon Vijay Abraham I <kishon@...nel.org>, "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>, "Martin K. Petersen" <martin.petersen@...cle.com>, Bart Van Assche <bvanassche@....org>, Bjorn Andersson <andersson@...nel.org>, konrad.dybcio@....qualcomm.com, dmitry.baryshkov@....qualcomm.com, Manivannan Sadhasivam <mani@...nel.org> Subject: next-20250620: Qualcomm Dragonboard 845c Internal error Oops at ufs_qcom_setup_clocks Regressions noticed on the Qualcomm Dragonboard 845c device while booting the Linux next tags from next-20250616..next-20250620 the following kernel oops noticed and boot failed. Regressions found on Thundercomm Dragonboard 845c (DT) - Boot Regression Analysis: - New regression? Yes - Reproducibility? Yes First seen on the next-20250616 Good: next-20250613 Bad: next-20250616 Boot regression: Qualcomm Dragonboard 845c Internal error Oops at ufs_qcom_setup_clocks Reported-by: Linux Kernel Functional Testing <lkft@...aro.org> ## Boot log [ 6.446825] ufshcd-qcom 1d84000.ufshc: ufshcd_populate_vreg: Unable to find vccq2-supply regulator, assuming enabled [ 6.448070] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 6.448080] Mem abort info: [ 6.448086] ESR = 0x0000000096000006 [ 6.448093] EC = 0x25: DABT (current EL), IL = 32 bits [ 6.448101] SET = 0, FnV = 0 [ 6.448107] EA = 0, S1PTW = 0 [ 6.448113] FSC = 0x06: level 2 translation fault [ 6.448120] Data abort info: [ 6.448125] ISV = 0, ISS = 0x00000006, ISS2 = 0x00000000 [ 6.448132] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 6.448139] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 6.448146] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010447b000 [ 6.448154] [0000000000000000] pgd=080000010447d403, p4d=080000010447d403, pud=080000010447e403, pmd=0000000000000000 [ 6.448186] Internal error: Oops: 0000000096000006 [#1] SMP [ 6.448193] Modules linked in: qcom_q6v5_mss(+) ufs_qcom(+) cfg80211(+) coresight_stm stm_core phy_qcom_qmp_pcie rfkill qcom_wdt lmh(+) icc_osm_l3 qrtr slim_qcom_ngd_ctrl slimbus pdr_interface qcom_pdr_msg icc_bwmon qcom_q6v5_pas(+) llcc_qcom qcom_pil_info display_connector qcom_q6v5 qcom_sysmon drm_kms_helper qcom_common qcom_glink_smem mdt_loader qmi_helpers drm backlight socinfo rmtfs_mem [ 6.448278] CPU: 6 UID: 0 PID: 385 Comm: (udev-worker) Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT [ 6.448288] Hardware name: Thundercomm Dragonboard 845c (DT) [ 6.448292] pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 6.448299] pc : ufs_qcom_setup_clocks+0x28/0x148 ufs_qcom [ 6.448317] lr : ufshcd_setup_clocks (drivers/ufs/core/ufshcd-priv.h:142 drivers/ufs/core/ufshcd.c:9290) [ 6.448332] sp : ffff800081213640 [ 6.448335] x29: ffff800081213640 x28: 0000000000000001 x27: ffff00008b633270 [ 6.448347] x26: ffff00008b6332a0 x25: ffff00008b632870 x24: 0000000000000000 [ 6.448359] x23: ffff00008b633280 x22: ffff00008b6332a0 x21: 0000000000000000 [ 6.448369] x20: ffffd7eabf84d618 x19: ffff00008b632870 x18: 0000000000000000 [ 6.448380] x17: 5453595342555300 x16: 305f666d745f6973 x15: 0000000000000100 [ 6.448391] x14: ffffffffffffffff x13: 0000000000000030 x12: 0101010101010101 [ 6.448402] x11: ffff00008188ea18 x10: 0000000000000000 x9 : ffffd7eabd9c3c28 [ 6.448413] x8 : ffff8000812134b8 x7 : fefefefefefefefe x6 : 0000000000000001 [ 6.448423] x5 : ffffffffffffffc8 x4 : 00000000c0000000 x3 : ffffd7eab32aa058 [ 6.448433] x2 : 0000000000000000 x1 : 0000000000000001 x0 : ffff00008b632870 [ 6.448444] Call trace: [ 6.448449] ufs_qcom_setup_clocks+0x28/0x148 ufs_qcom (P) [ 6.448466] ufshcd_setup_clocks (drivers/ufs/core/ufshcd-priv.h:142 drivers/ufs/core/ufshcd.c:9290) [ 6.448477] ufshcd_init (drivers/ufs/core/ufshcd.c:9468 drivers/ufs/core/ufshcd.c:10636) [ 6.448485] ufshcd_pltfrm_init (drivers/ufs/host/ufshcd-pltfrm.c:504) [ 6.448495] ufs_qcom_probe+0x28/0x68 ufs_qcom [ 6.448508] platform_probe (drivers/base/platform.c:1404) [ 6.448519] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:657) [ 6.448526] __driver_probe_device (drivers/base/dd.c:799) [ 6.448532] driver_probe_device (drivers/base/dd.c:829) [ 6.448539] __driver_attach (drivers/base/dd.c:1216) [ 6.448545] bus_for_each_dev (drivers/base/bus.c:370) [ 6.448556] driver_attach (drivers/base/dd.c:1234) [ 6.448567] bus_add_driver (drivers/base/bus.c:678) [ 6.448577] driver_register (drivers/base/driver.c:249) [ 6.448584] __platform_driver_register (drivers/base/platform.c:868) [ 6.448592] ufs_qcom_pltform_init+0x28/0xff8 ufs_qcom [ 6.448605] do_one_initcall (init/main.c:1274) [ 6.448615] do_init_module (kernel/module/main.c:3041) [ 6.448626] load_module (kernel/module/main.c:3511) [ 6.448635] init_module_from_file (kernel/module/main.c:3704) [ 6.448644] __arm64_sys_finit_module (kernel/module/main.c:3715 kernel/module/main.c:3741 kernel/module/main.c:3725 kernel/module/main.c:3725) [ 6.448653] invoke_syscall (arch/arm64/include/asm/current.h:19 arch/arm64/kernel/syscall.c:54) [ 6.448661] el0_svc_common.constprop.0 (include/linux/thread_info.h:135 (discriminator 2) arch/arm64/kernel/syscall.c:140 (discriminator 2)) [ 6.448668] do_el0_svc (arch/arm64/kernel/syscall.c:152) [ 6.448674] el0_svc (arch/arm64/include/asm/irqflags.h:82 (discriminator 1) arch/arm64/include/asm/irqflags.h:123 (discriminator 1) arch/arm64/include/asm/irqflags.h:136 (discriminator 1) arch/arm64/kernel/entry-common.c:165 (discriminator 1) arch/arm64/kernel/entry-common.c:178 (discriminator 1) arch/arm64/kernel/entry-common.c:768 (discriminator 1)) [ 6.448685] el0t_64_sync_handler (arch/arm64/kernel/entry-common.c:787) [ 6.448694] el0t_64_sync (arch/arm64/kernel/entry.S:600) [ 6.448705] Code: a90157f3 aa0003f3 f90013f6 f9405c15 (f94002b6) All code ======== 0: a90157f3 stp x19, x21, [sp, #16] 4: aa0003f3 mov x19, x0 8: f90013f6 str x22, [sp, #32] c: f9405c15 ldr x21, [x0, #184] 10:* f94002b6 ldr x22, [x21] <-- trapping instruction Code starting with the faulting instruction =========================================== 0: f94002b6 ldr x22, [x21] [ 6.448710] ---[ end trace 0000000000000000 ]--- ## Source * Kernel version: 6.16.0-rc2-next-20250620 * Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git * Git sha: 2c923c845768a0f0e34b8161d70bc96525385782 * Git describe: next-20250620 * Project details: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250620/ * Architectures: arm64 Dragonboard 845c * Toolchains: gcc-13 * Kconfigs: defconfig+lkfttestconfigs ## Build arm64 * Test log: https://qa-reports.linaro.org/api/testruns/28811906/log_file/ * Test Lava log: https://lkft.validation.linaro.org/scheduler/job/8323501#L5646 * Test Lava log 2: https://lkft.validation.linaro.org/scheduler/job/8323351#L5682 * Test details: https://regressions.linaro.org/lkft/linux-next-master/next-20250620/boot/gcc-13-lkftconfig/ * Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2yj4otvwBRT4UktLTyKEN8ZtUQm/ * Kernel config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2yj4otvwBRT4UktLTyKEN8ZtUQm/config -- Linaro LKFT https://lkft.linaro.org
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