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Message-ID: <CA+G9fYt6Cuu6=OO9w80yhJbZB77Q0qf7nzYdvjbgDbgAw6t1jw@mail.gmail.com> Date: Tue, 11 Feb 2025 16:54:06 +0530 From: Naresh Kamboju <naresh.kamboju@...aro.org> To: kvmarm@...ts.linux.dev, Linux ARM <linux-arm-kernel@...ts.infradead.org>, open list <linux-kernel@...r.kernel.org>, virtualization@...ts.linux.dev Cc: Marc Zyngier <maz@...nel.org>, Mark Brown <broonie@...nel.org>, Catalin Marinas <catalin.marinas@....com>, Arnd Bergmann <arnd@...db.de>, Dan Carpenter <dan.carpenter@...aro.org>, Anders Roxell <anders.roxell@...aro.org>, Aishwarya TCV <Aishwarya.TCV@....com> Subject: kvm: nVHE hyp panic at: __kvm_nvhe_kvm_hyp_handle_sysre Regression on rk3399-rock-pi-4b while running kvm-unit-tests with nvhe, protected and vhe mode with virtualization enabled. First seen on next-20250120 Good: next-20250117 Bad: next-20250120 till today's next-20250210 This is always reproducible. Regression on these devices with kernel command line boot modes. * rk3399-rock-pi-4b-nvhe * rk3399-rock-pi-4b-protected * rk3399-rock-pi-4b-vhe Test regression: kvm nVHE hyp panic at __kvm_nvhe_kvm_hyp_handle_sysreg Reported-by: Linux Kernel Functional Testing <lkft@...aro.org> ## Test log ok 139 - psci: psci: cpu-off [ 674.423092] kvm [6196]: nVHE hyp panic at: __kvm_nvhe_kvm_hyp_handle_sysreg (include/kvm/arm_arch_timer.h:174 arch/arm64/kvm/hyp/include/hyp/switch.h:506 arch/arm64/kvm/hyp/include/hyp/switch.h:559 arch/arm64/kvm/hyp/include/hyp/switch.h:604) [ 674.423987] kvm [6196]: nVHE call trace: [ 674.424331] kvm [6196]: __kvm_nvhe_hyp_panic (arch/arm64/kvm/hyp/nvhe/switch.c:415) [ 674.424950] kvm [6196]: __kvm_nvhe___kvm_vcpu_run (arch/arm64/kvm/hyp/include/hyp/switch.h:750 (discriminator 1) arch/arm64/kvm/hyp/nvhe/switch.c:355 (discriminator 1)) [ 674.425619] kvm [6196]: __kvm_nvhe___kvm_vcpu_run (arch/arm64/kvm/hyp/include/hyp/switch.h:750 (discriminator 1) arch/arm64/kvm/hyp/nvhe/switch.c:355 (discriminator 1)) [ 674.426288] kvm [6196]: __kvm_nvhe_handle___kvm_vcpu_run (arch/arm64/kvm/hyp/nvhe/hyp-main.c:231) [ 674.427004] kvm [6196]: __kvm_nvhe_handle_trap (arch/arm64/kvm/hyp/nvhe/hyp-main.c:640 arch/arm64/kvm/hyp/nvhe/hyp-main.c:673) [ 674.427651] kvm [6196]: __kvm_nvhe___skip_pauth_save (arch/arm64/kvm/hyp/nvhe/host.S:67) [ 674.428313] kvm [6196]: ---[ end nVHE call trace ]--- [ 674.428755] kvm [6196]: Hyp Offset: 0xfffea0df7d800000 [ 674.429208] Kernel panic - not syncing: HYP panic: [ 674.429208] PS:600003c9 PC:0000df2103dc1610 ESR:0000000096000004 [ 674.429208] FAR:ffff00000d031ba0 HPFAR:0000000000000000 PAR:1d00007edbadc0de [ 674.429208] VCPU:0000df21077a1bc0 [ 674.431040] CPU: 4 UID: 0 PID: 6196 Comm: qemu-system-aar Not tainted 6.14.0-rc2-next-20250210 #1 [ 674.431815] Hardware name: Radxa ROCK Pi 4B (DT) [ 674.432219] Call trace: [ 674.432437] show_stack (arch/arm64/kernel/stacktrace.c:468) (C) [ 674.432763] dump_stack_lvl (lib/dump_stack.c:124) [ 674.433090] dump_stack (lib/dump_stack.c:130) [ 674.433384] panic (kernel/panic.c:354) [ 674.433657] nvhe_hyp_panic_handler (arch/arm64/include/asm/current.h:19 arch/arm64/kvm/handle_exit.c:452) [ 674.434056] kvm_arm_vcpu_enter_exit (arch/arm64/include/asm/alternative-macros.h:232 arch/arm64/include/asm/cpufeature.h:453 arch/arm64/include/asm/cpufeature.h:498 arch/arm64/include/asm/virt.h:139 arch/arm64/kvm/arm.c:1084) [ 674.434448] kvm_arch_vcpu_ioctl_run (arch/arm64/kvm/arm.c:1191) [ 674.434855] kvm_vcpu_ioctl (arch/arm64/kvm/../../../virt/kvm/kvm_main.c:4377) [ 674.435194] __arm64_sys_ioctl (fs/ioctl.c:51 (discriminator 1) fs/ioctl.c:906 (discriminator 1) fs/ioctl.c:892 (discriminator 1) fs/ioctl.c:892 (discriminator 1)) [ 674.435542] invoke_syscall (arch/arm64/include/asm/current.h:19 arch/arm64/kernel/syscall.c:54) [ 674.435875] el0_svc_common.constprop.0 (include/linux/thread_info.h:135 (discriminator 2) arch/arm64/kernel/syscall.c:140 (discriminator 2)) [ 674.436289] do_el0_svc (arch/arm64/kernel/syscall.c:152) [ 674.436583] 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:745 (discriminator 1)) [ 674.436860] el0t_64_sync_handler (arch/arm64/kernel/entry-common.c:763) [ 674.437243] el0t_64_sync (arch/arm64/kernel/entry.S:600) [ 674.437567] SMP: stopping secondary CPUs [ 674.438032] Kernel Offset: disabled [ 674.438338] CPU features: 0x100,0002082c,00800000,8200421b [ 674.438819] Memory Limit: none [ 674.439090] ---[ end Kernel panic - not syncing: HYP panic: [ 674.439090] PS:600003c9 PC:0000df2103dc1610 ESR:0000000096000004 [ 674.439090] FAR:ffff00000d031ba0 HPFAR:0000000000000000 PAR:1d00007edbadc0de [ 674.439090] VCPU:0000df21077a1bc0 ]--- ## Source * kernel version: 6.14.0-rc2-next-20250210 * git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git * git sha: df5d6180169ae06a2eac57e33b077ad6f6252440 * git describe: next-20250210 * project details: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250210/ * architecture: arm64 * device: rk3399-rock-pi-4b * toolchain: gcc-13 * build config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2spp0brZaSpWe7z5aIqZfQx4GhT/config * build: https://storage.tuxsuite.com/public/linaro/lkft/builds/2spp0brZaSpWe7z5aIqZfQx4GhT/ ## Boot log * test link-1: https://lkft.validation.linaro.org/scheduler/job/8117232#L1395 * test link-2: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250210/testrun/27250834/suite/log-parser-test/test/panic-multiline-kernel-panic-not-syncing-hyp-panic/log * build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2spp0brZaSpWe7z5aIqZfQx4GhT/ * config link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2spp0brZaSpWe7z5aIqZfQx4GhT/config * linux-next-history: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250207/testrun/27226044/suite/log-parser-test/test/panic-multiline-kernel-panic-not-syncing-hyp-panic/history/ * linux-mainline-history: https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.14-rc2/testrun/27248845/suite/log-parser-test/test/panic-multiline-kernel-panic-not-syncing-hyp-panic/history/ -- Linaro LKFT https://lkft.linaro.org
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