# Pastebin 3k9zna3D
[   70.151420] ======================================================
[   70.157854] WARNING: possible circular locking dependency detected
[   70.161808] power_supply sbs-12-000b: driver failed to report `technology' property: -5
[   70.164278] 6.2.0-rc8-debug+ #542 Not tainted
[   70.164284] ------------------------------------------------------
[   70.164286] qemu-system-aar/567 is trying to acquire lock:
[   70.164291] ffffffc00e415b58 (&host_kvm->lock
[   70.180604] power_supply sbs-12-000b: driver failed to report `technology' property: -5
[   70.183636] ){+.+.}-{3:3}, at: kvm_reset_vcpu+0x38/0x3d8
[   70.183655] 
[   70.183655] but task is already holding lock:
[   70.183658] ffffff80a3d100c0
[   70.199669] power_supply sbs-12-000b: driver failed to report `technology' property: -5
[   70.202276]  (&vcpu->mutex){+.+.}-{3:3}, at: kvm_vcpu_ioctl+0x84/0x658
[   70.202296] 
[   70.202296] which lock already depends on the new lock.
[   70.202296] 
[   70.202299] 
[   70.202299] the existing dependency chain (in reverse order) is:
[   70.248144] 
[   70.248144] -> #1 (&vcpu->mutex){+.+.}-{3:3}:
[   70.254239]        __mutex_lock+0xcc/0x3c8
[   70.258520]        mutex_lock_nested+0x30/0x44
[   70.263155]        kvm_vm_ioctl+0x430/0xea8
[   70.267517]        vfs_ioctl+0x30/0x50
[   70.271430]        __arm64_sys_ioctl+0x80/0xb4
[   70.276063]        invoke_syscall+0x8c/0x128
[   70.280520]        el0_svc_common.constprop.0+0xa0/0x11c
[   70.286052]        do_el0_svc+0xac/0xbc
[   70.290060]        el0_svc+0x48/0xa0
[   70.293794]        el0t_64_sync_handler+0xac/0x13c
[   70.298784]        el0t_64_sync+0x190/0x194
[   70.303151] 
[   70.303151] -> #0 (&host_kvm->lock){+.+.}-{3:3}:
[   70.309516]        __lock_acquire+0xe00/0x1060
[   70.314159]        lock_acquire+0x1e0/0x2f8
[   70.318521]        __mutex_lock+0xcc/0x3c8
[   70.322790]        mutex_lock_nested+0x30/0x44
[   70.327423]        kvm_reset_vcpu+0x38/0x3d8
[   70.331882]        kvm_arch_vcpu_ioctl+0x228/0x5f8
[   70.336875]        kvm_vcpu_ioctl+0xec/0x658
[   70.341331]        vfs_ioctl+0x30/0x50
[   70.345243]        __arm64_sys_ioctl+0x80/0xb4
[   70.349878]        invoke_syscall+0x8c/0x128
[   70.354341]        el0_svc_common.constprop.0+0xa0/0x11c
[   70.359884]        do_el0_svc+0xac/0xbc
[   70.363888]        el0_svc+0x48/0xa0
[   70.367620]        el0t_64_sync_handler+0xac/0x13c
[   70.372614]        el0t_64_sync+0x190/0x194
[   70.376980] 
[   70.376980] other info that might help us debug this:
[   70.376980] 
[   70.385297]  Possible unsafe locking scenario:
[   70.385297] 
[   70.393433]        CPU0                    CPU1
[   70.400082]        ----                    ----
[   70.406709]   lock(&vcpu->mutex);
[   70.412082]                                lock(&host_kvm->lock);
[   70.420307]                                lock(&vcpu->mutex);
[   70.428221]   lock(&host_kvm->lock);
[   70.433818] 
[   70.433818]  *** DEADLOCK ***
[   70.433818] 
[   70.445629] 1 lock held by qemu-system-aar/567:
[   70.452258]  #0: ffffff80a3d100c0 (&vcpu->mutex){+.+.}-{3:3}, at: kvm_vcpu_ioctl+0x84/0x658
[   70.462933] 
[   70.462933] stack backtrace:
[   70.471371] CPU: 4 PID: 567 Comm: qemu-system-aar Not tainted 6.2.0-rc8-debug+ #542
[   70.481277] Hardware name: Google Lazor (rev1 - 2) with LTE (DT)
[   70.489477] Call trace:
[   70.493968]  dump_backtrace.part.0+0xb4/0xf8
[   70.500345]  show_stack+0x20/0x38
[   70.505720]  dump_stack_lvl+0x9c/0xd0
[   70.511430]  dump_stack+0x18/0x34
[   70.516759]  print_circular_bug+0x1b4/0x1f0
[   70.522956]  check_noncircular+0x78/0xac
[   70.528868]  __lock_acquire+0xe00/0x1060
[   70.534783]  lock_acquire+0x1e0/0x2f8
[   70.540427]  __mutex_lock+0xcc/0x3c8
[   70.545944]  mutex_lock_nested+0x30/0x44
[   70.551792]  kvm_reset_vcpu+0x38/0x3d8
[   70.557447]  kvm_arch_vcpu_ioctl+0x228/0x5f8
[   70.563634]  kvm_vcpu_ioctl+0xec/0x658
[   70.569273]  vfs_ioctl+0x30/0x50
[   70.574393]  __arm64_sys_ioctl+0x80/0xb4
[   70.580215]  invoke_syscall+0x8c/0x128
[   70.585845]  el0_svc_common.constprop.0+0xa0/0x11c
[   70.592559]  do_el0_svc+0xac/0xbc
[   70.597746]  el0_svc+0x48/0xa0
[   70.602655]  el0t_64_sync_handler+0xac/0x13c
[   70.608830]  el0t_64_sync+0x190/0x194