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OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013 [ 747.600724][ C0] RIP: 0010:clocksource_watchdog (kbuild/src/consumer/kernel/time/clocksource.c:446) [ 747.611497][ T6047] raid6test: test_disks(2, 4): faila= 2(D) failb= 4(Q) OK [ 747.618774][ C0] Code: 08 00 00 49 8b 84 24 a0 00 00 00 4c 8d a0 60 ff ff ff 48 3d a0 65 a1 85 0f 84 a9 05 00 00 4d 8d 74 24 60 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 0f 85 2b 08 00 00 41 f6 44 24 60 40 75 9e 48 8d 84 All code ======== 0: 08 00 or %al,(%rax) 2: 00 49 8b add %cl,-0x75(%rcx) 5: 84 24 a0 test %ah,(%rax,%riz,4) 8: 00 00 add %al,(%rax) a: 00 4c 8d a0 add %cl,-0x60(%rbp,%rcx,4) e: 60 (bad) f: ff (bad) 10: ff (bad) 11: ff 48 3d decl 0x3d(%rax) 14: a0 65 a1 85 0f 84 a9 movabs 0x5a9840f85a165,%al 1b: 05 00 1d: 00 4d 8d add %cl,-0x73(%rbp) 20: 74 24 je 0x46 22: 60 (bad) 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax 2a:* 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2f: 0f 85 2b 08 00 00 jne 0x860 35: 41 f6 44 24 60 40 testb $0x40,0x60(%r12) 3b: 75 9e jne 0xffffffffffffffdb 3d: 48 rex.W 3e: 8d .byte 0x8d 3f: 84 .byte 0x84 Code starting with the faulting instruction =========================================== 0: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) 5: 0f 85 2b 08 00 00 jne 0x836 b: 41 f6 44 24 60 40 testb $0x40,0x60(%r12) 11: 75 9e jne 0xffffffffffffffb1 13: 48 rex.W 14: 8d .byte 0x8d 15: 84 .byte 0x84 [ 747.618778][ C0] RSP: 0018:ffffc90000007cc8 EFLAGS: 00010206 [ 747.626349][ T6047] raid6test: test_disks(3, 4): faila= 3(P) failb= 4(Q) OK [ 747.634233][ C0] RAX: 0e0dadec6bec8dc6 RBX: ffffffffc12501e0 RCX: ffffffff812d27b5 [ 747.634235][ C0] RDX: fffffbfff0b42cad RSI: 0000000000000008 RDI: ffffffffc1255c20 [ 747.634237][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0b42cac [ 747.634249][ C0] R10: ffffffff85a16567 R11: 1ffff11074f88ce0 R12: 706d6f635f646dd3 [ 747.643325][ T6047] raid6test: testing the 11-disk case... [ 747.647354][ C0] R13: ffff8883a7c31b40 R14: 706d6f635f646e33 R15: dffffc0000000000 [ 747.647357][ C0] FS: 0000000000000000(0000) GS:ffff8883a7c00000(0000) knlGS:0000000000000000 [ 747.647359][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 747.647361][ C0] CR2: 000055850fddbb28 CR3: 000000041b46c004 CR4: 00000000001726f0 [ 747.647373][ C0] DR0: ffffffff8788e584 DR1: ffffffff8788e585 DR2: ffffffff8788e582 [ 747.647375][ C0] DR3: ffffffff8788e583 DR6: 00000000fffe0ff0 DR7: 0000000000000600 [ 747.666802][ T6047] raid6test: test_disks(0, 1): faila= 0(D) failb= 1(D) OK [ 747.672676][ C0] Call Trace: [ 747.672677][ C0] [ 747.672679][ C0] ? die_addr (kbuild/src/consumer/arch/x86/kernel/dumpstack.c:421 kbuild/src/consumer/arch/x86/kernel/dumpstack.c:460) [ 747.672694][ C0] ? exc_general_protection (kbuild/src/consumer/arch/x86/kernel/traps.c:751 kbuild/src/consumer/arch/x86/kernel/traps.c:693) [ 747.680000][ T6047] raid6test: test_disks(0, 2): faila= 0(D) failb= 2(D) OK [ 747.687783][ C0] ? asm_exc_general_protection (kbuild/src/consumer/arch/x86/include/asm/idtentry.h:617) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20241219/202412191612.fdac00f9-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki