On Tue, 2018-06-26 at 04:32 +0200, Mike Galbraith wrote: > On Fri, 2018-05-18 at 11:19 +0200, Sebastian Andrzej Siewior wrote: > > > > - Add a locallock during saving/restoring of SIMD registers on ARM64. > > On RT we are preemptible there so extra protection is required. Crap, disregard. Woulda sworn 4.18-rc2 worked, but off we go... [ 1.946864] WARNING: CPU: 1 PID: 1 at kernel/sched/core.c:7267 migrate_enable+0x2c4/0x3c8 [ 1.946954] Modules linked in: [ 1.947246] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.16.17-rt7-rt #5 [ 1.947263] Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015 [ 1.947370] pstate: 60000005 (nZCv daif -PAN -UAO) [ 1.947397] pc : migrate_enable+0x2c4/0x3c8 [ 1.947414] lr : migrate_enable+0x2c4/0x3c8 [ 1.947426] sp : ffff00000949bbc0 [ 1.947445] x29: ffff00000949bbc0 x28: ffff092a443527a8 [ 1.947490] x27: ffff092a44862f08 x26: ffff00000949bda0 [ 1.947506] x25: ffff96d3be37c000 x24: ffff00000949bda0 [ 1.947521] x23: 0000000000000000 x22: ffff00000949bd08 [ 1.947535] x21: ffff96d3be37c000 x20: 0000000000000000 [ 1.947565] x19: ffff96d3be5f0000 x18: ffffffffffffffff [ 1.947615] x17: 000000000000000e x16: 0000000000000007 [ 1.947675] x15: ffff092a4472ec88 x14: ffff092ac48ede97 [ 1.947715] x13: ffff092a448edea5 x12: ffff092a44753000 [ 1.947762] x11: 0000000000000001 x10: 0000000000000c40 [ 1.947825] x9 : ffff00000949bb40 x8 : ffff96d3be5f0ca0 [ 1.947858] x7 : ffff96d47ff34e40 x6 : 0000000000000000 [ 1.947910] x5 : 0000000000000000 x4 : 0000000000100000 [ 1.947945] x3 : 0000000000000000 x2 : 0000000000000000 [ 1.947965] x1 : ffff96d3bfc10608 x0 : 0000000000000001 [ 1.948093] Call trace: [ 1.948138] migrate_enable+0x2c4/0x3c8 [ 1.948165] rt_spin_unlock+0x48/0x90 [ 1.948204] efi_virtmap_unload+0x70/0xa0 [ 1.948225] virt_efi_get_next_variable+0x88/0xc8 [ 1.948235] efivar_init+0xb0/0x380 [ 1.948253] efisubsys_init+0xd4/0x26c [ 1.948264] do_one_initcall+0x58/0x168 [ 1.948275] kernel_init_freeable+0x1e0/0x284 [ 1.948285] kernel_init+0x18/0x118 [ 1.948294] ret_from_fork+0x10/0x18 [ 1.948361] ---[ end trace 0000000000000001 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
