On 04/07/2016 10:47 AM, William Breathitt Gray wrote: > The WinSystems EBC-C384 watchdog timer is controlled via ISA bus > communication. As such, the ISA bus driver is more appropriate than the > platform driver for the WinSystems EBC-C384 watchdog timer driver. > > Signed-off-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx> Hey William, I'm seeing this on boot: kernel BUG at drivers/base/driver.c:153! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.6.0-rc7-next-20160511-sasha-00024-g13dfe33 #3081 task: ffff88005b2f8000 ti: ffff88005b300000 task.ti: ffff88005b300000 RIP: driver_register (drivers/base/driver.c:153 (discriminator 1)) RSP: 0000:ffff88005b307c68 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffffb3987c30 RCX: 1ffffffff68acf26 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: ffffffffb4567930 RBP: ffff88005b307c88 R08: 1ffffffff606e3dc R09: dffffc0000000000 R10: 0000000080000000 R11: 1ffffffff79c42e2 R12: ffffffffb45678a0 R13: ffffffffb3987c38 R14: ffffffffb3987c30 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff880063e40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000030023000 CR4: 00000000000406a0 Stack: 1ffff1000b660fa4 dffffc0000000000 0000000000000000 ffffffffb3987c00 ffff88005b307cf0 ffffffffa5bf826d ffff88005b307dc0 ffffffffb3987c30 ffffffffb3987ca8 ffffffffb39847e0 ffffffffb39847e0 00000000f673090a Call Trace: isa_register_driver (drivers/base/isa.c:123) dio48e_driver_init (drivers/gpio/gpio-104-dio-48e.c:396) do_one_initcall (init/main.c:770) kernel_init_freeable (init/main.c:834 init/main.c:843 init/main.c:861 init/main.c:1008) kernel_init (init/main.c:936) ret_from_fork (arch/x86/entry/entry_64.S:390) Code: be 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 31 00 74 05 e8 4a 18 be fd 49 83 bc 24 90 00 00 00 00 75 13 e8 2a 89 a0 fd <0f> 0b 48 c7 c7 40 21 51 b4 e8 6f 78 58 ff e8 17 89 a0 fd 49 8d All code ======== 0: be 00 00 00 00 mov $0x0,%esi 5: 00 fc add %bh,%ah 7: ff df lcallq *<internal disassembler error> 9: 48 89 f9 mov %rdi,%rcx c: 48 c1 e9 03 shr $0x3,%rcx 10: 80 3c 31 00 cmpb $0x0,(%rcx,%rsi,1) 14: 74 05 je 0x1b 16: e8 4a 18 be fd callq 0xfffffffffdbe1865 1b: 49 83 bc 24 90 00 00 cmpq $0x0,0x90(%r12) 22: 00 00 24: 75 13 jne 0x39 26: e8 2a 89 a0 fd callq 0xfffffffffda08955 2b:* 0f 0b ud2 <-- trapping instruction 2d: 48 c7 c7 40 21 51 b4 mov $0xffffffffb4512140,%rdi 34: e8 6f 78 58 ff callq 0xffffffffff5878a8 39: e8 17 89 a0 fd callq 0xfffffffffda08955 3e: 49 8d 00 lea (%r8),%rax Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 48 c7 c7 40 21 51 b4 mov $0xffffffffb4512140,%rdi 9: e8 6f 78 58 ff callq 0xffffffffff58787d e: e8 17 89 a0 fd callq 0xfffffffffda0892a 13: 49 8d 00 lea (%r8),%rax RIP driver_register (drivers/base/driver.c:153 (discriminator 1)) RSP <ffff88005b307c68> ---[ end trace 96103422392be10c ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
