Re: [PATCH v8 1/2] powerpc/64s: reimplement book3s idle code in C
Satheesh Rajendran's on April 8, 2019 5:32 pm: > Hi, > > Hit with below kernel crash during Power8 Host boot with this patch series on > top > of powerpc merge branch commit > https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=merge=6a821ffee18a6e6c0027c523fa8c958df98ca361 > > built with ppc64le_defconfig > > Host Console log: > [0.454666] EEH: PCI Enhanced I/O Error Handling Enabled > [0.456524] create_dump_obj: New platform dump. ID = 0x4 Size 7457968 > [0.457627] opal-power: OPAL EPOW, DPO support detected. > [0.457722] BUG: Unable to handle kernel data access at 0xff76184a > [0.457733] Faulting instruction address: 0xc001a94c > [0.457740] Oops: Kernel access of bad area, sig: 11 [#1] > [0.457745] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA PowerNV > [0.457750] Modules linked in: > [0.457756] CPU: 58 PID: 0 Comm: swapper/58 Not tainted > 5.1.0-rc2-gd0ae6c548 #1 > [0.457762] NIP: c001a94c LR: c00a6e9c CTR: > c0008000 > [0.457768] REGS: c00f272b7b50 TRAP: 0380 Not tainted > (5.1.0-rc2-gd0ae6c548) > [0.457773] MSR: 90001033 CR: 24004222 > XER: > [0.457781] CFAR: c00a6e98 IRQMASK: 1 > [0.457781] GPR00: c00a6e9c c00f272b7de0 0004 > 0006 > [0.457781] GPR04: c00a5dd4 24004222 c00f272b7d48 > 0001 > [0.457781] GPR08: 0002 ff761844 c00f27250c00 > c3feb1676be1 > [0.457781] GPR12: 4400 c009d380 c00ffe60ff90 > > [0.457781] GPR16: c004b4d0 > c004b4a0 > [0.457781] GPR20: c1526214 0800 0001 > c1521b78 > [0.457781] GPR24: 003a 0008 > > [0.457781] GPR28: c1526140 0001 0400 > c1525ce0 > [0.457829] NIP [c001a94c] irq_set_pending_from_srr1+0x1c/0x50 > [0.457835] LR [c00a6e9c] power7_idle+0x3c/0x50 > [0.457839] Call Trace: > [0.457843] [c00f272b7de0] [c00a6e98] power7_idle+0x38/0x50 > (unreliable) > [0.457849] [c00f272b7e00] [c00210f4] arch_cpu_idle+0x54/0x160 > [0.457856] [c00f272b7e30] [c0c47bc4] > default_idle_call+0x74/0x88 > [0.457862] [c00f272b7e50] [c0158f54] do_idle+0x2f4/0x3d0 > [0.457868] [c00f272b7ec0] [c0159288] > cpu_startup_entry+0x38/0x40 > [0.457874] [c00f272b7ef0] [c004dae4] > start_secondary+0x654/0x680 > [0.457881] [c00f272b7f90] [c000b25c] > start_secondary_prolog+0x10/0x14 > [0.457886] Instruction dump: > [0.457890] 992d098b 7c630034 5463d97e 4e800020 6000 3c4c014d 38424dd0 > 7c0802a6 > [0.457898] 6000 3d22ff76 78637722 39291840 > [0.457900] BUG: Unable to handle kernel data access at 0xff76184a > [0.457901] <7d4918ae> 2b8a00ff 419e001c 892d098b > [0.457907] Faulting instruction address: 0xc001a94c > [0.457910] BUG: Unable to handle kernel data access at 0xff76184a > [0.457915] ---[ end trace fa7343cfd21c8798 ]--- > [0.457919] Faulting instruction address: 0xc001a94c > [0.458961] BUG: Unable to handle kernel data access at 0xff76184a > [0.458963] BUG: Unable to handle kernel data access at 0xff76184a > [0.458964] BUG: Unable to handle kernel data access at 0xff76184a > [0.458966] BUG: Unable to handle kernel data access at 0xff76184a > [0.458968] BUG: Unable to handle kernel data access at 0xff76184a > [0.458970] BUG: Unable to handle kernel data access at 0xff76184a > [0.458972] Faulting instruction address: 0xc001a94c > [0.458973] Faulting instruction address: 0xc001a94c > [0.458974] Faulting instruction address: 0xc001a94c > [0.458975] Faulting instruction address: 0xc001a94c > [0.458976] Faulting instruction address: 0xc001a94c > [0.458978] initcall > __machine_initcall_powernv_pnv_init_idle_states+0x0/0xb30 returned 0 after 0 > usecs > [0.458981] calling __machine_initcall_powernv_opal_time_init+0x0/0x150 @ > 1 > [0.458982] Faulting instruction address: 0xc001a94c > [0.459022] BUG: Unable to handle kernel data access at 0xff76184a > [0.459040] Faulting instruction address: 0xc001a94c > [0.459043] initcall __machine_initcall_powernv_opal_time_init+0x0/0x150 > returned 0 after 0 usecs > [0.459044] BUG: Unable to handle kernel data access at 0xff76184c > [0.459045] Faulting instruction address: 0xc001a94c > [0.459060] calling __machine_initcall_powernv_rng_init+0x0/0x334 @ 1 > [0.459084] powernv-rng: Registering arch random hook. > [
Re: [PATCH v8 1/2] powerpc/64s: reimplement book3s idle code in C
Hi, Hit with below kernel crash during Power8 Host boot with this patch series on top of powerpc merge branch commit https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=merge=6a821ffee18a6e6c0027c523fa8c958df98ca361 built with ppc64le_defconfig Host Console log: [0.454666] EEH: PCI Enhanced I/O Error Handling Enabled [0.456524] create_dump_obj: New platform dump. ID = 0x4 Size 7457968 [0.457627] opal-power: OPAL EPOW, DPO support detected. [0.457722] BUG: Unable to handle kernel data access at 0xff76184a [0.457733] Faulting instruction address: 0xc001a94c [0.457740] Oops: Kernel access of bad area, sig: 11 [#1] [0.457745] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA PowerNV [0.457750] Modules linked in: [0.457756] CPU: 58 PID: 0 Comm: swapper/58 Not tainted 5.1.0-rc2-gd0ae6c548 #1 [0.457762] NIP: c001a94c LR: c00a6e9c CTR: c0008000 [0.457768] REGS: c00f272b7b50 TRAP: 0380 Not tainted (5.1.0-rc2-gd0ae6c548) [0.457773] MSR: 90001033 CR: 24004222 XER: [0.457781] CFAR: c00a6e98 IRQMASK: 1 [0.457781] GPR00: c00a6e9c c00f272b7de0 0004 0006 [0.457781] GPR04: c00a5dd4 24004222 c00f272b7d48 0001 [0.457781] GPR08: 0002 ff761844 c00f27250c00 c3feb1676be1 [0.457781] GPR12: 4400 c009d380 c00ffe60ff90 [0.457781] GPR16: c004b4d0 c004b4a0 [0.457781] GPR20: c1526214 0800 0001 c1521b78 [0.457781] GPR24: 003a 0008 [0.457781] GPR28: c1526140 0001 0400 c1525ce0 [0.457829] NIP [c001a94c] irq_set_pending_from_srr1+0x1c/0x50 [0.457835] LR [c00a6e9c] power7_idle+0x3c/0x50 [0.457839] Call Trace: [0.457843] [c00f272b7de0] [c00a6e98] power7_idle+0x38/0x50 (unreliable) [0.457849] [c00f272b7e00] [c00210f4] arch_cpu_idle+0x54/0x160 [0.457856] [c00f272b7e30] [c0c47bc4] default_idle_call+0x74/0x88 [0.457862] [c00f272b7e50] [c0158f54] do_idle+0x2f4/0x3d0 [0.457868] [c00f272b7ec0] [c0159288] cpu_startup_entry+0x38/0x40 [0.457874] [c00f272b7ef0] [c004dae4] start_secondary+0x654/0x680 [0.457881] [c00f272b7f90] [c000b25c] start_secondary_prolog+0x10/0x14 [0.457886] Instruction dump: [0.457890] 992d098b 7c630034 5463d97e 4e800020 6000 3c4c014d 38424dd0 7c0802a6 [0.457898] 6000 3d22ff76 78637722 39291840 [0.457900] BUG: Unable to handle kernel data access at 0xff76184a [0.457901] <7d4918ae> 2b8a00ff 419e001c 892d098b [0.457907] Faulting instruction address: 0xc001a94c [0.457910] BUG: Unable to handle kernel data access at 0xff76184a [0.457915] ---[ end trace fa7343cfd21c8798 ]--- [0.457919] Faulting instruction address: 0xc001a94c [0.458961] BUG: Unable to handle kernel data access at 0xff76184a [0.458963] BUG: Unable to handle kernel data access at 0xff76184a [0.458964] BUG: Unable to handle kernel data access at 0xff76184a [0.458966] BUG: Unable to handle kernel data access at 0xff76184a [0.458968] BUG: Unable to handle kernel data access at 0xff76184a [0.458970] BUG: Unable to handle kernel data access at 0xff76184a [0.458972] Faulting instruction address: 0xc001a94c [0.458973] Faulting instruction address: 0xc001a94c [0.458974] Faulting instruction address: 0xc001a94c [0.458975] Faulting instruction address: 0xc001a94c [0.458976] Faulting instruction address: 0xc001a94c [0.458978] initcall __machine_initcall_powernv_pnv_init_idle_states+0x0/0xb30 returned 0 after 0 usecs [0.458981] calling __machine_initcall_powernv_opal_time_init+0x0/0x150 @ 1 [0.458982] Faulting instruction address: 0xc001a94c [0.459022] BUG: Unable to handle kernel data access at 0xff76184a [0.459040] Faulting instruction address: 0xc001a94c [0.459043] initcall __machine_initcall_powernv_opal_time_init+0x0/0x150 returned 0 after 0 usecs [0.459044] BUG: Unable to handle kernel data access at 0xff76184c [0.459045] Faulting instruction address: 0xc001a94c [0.459060] calling __machine_initcall_powernv_rng_init+0x0/0x334 @ 1 [0.459084] powernv-rng: Registering arch random hook. [0.459141] BUG: Unable to handle kernel data access at 0xff76184a [0.459147] Faulting instruction address: 0xc001a94c [0.459191] BUG: Unable to handle kernel data access at 0xff76184a [0.459199] Faulting
