On Thu, 01 Dec 2011 07:25:15 +0800 (HKT), undersys wrote: > Hi All, > > I can no longer load the core temp module, it gives me the following kernel Opps. > " > [ 10.159508] coretemp coretemp.0: Errata AE18 not fixed, update BIOS or microcode of the CPU! > [ 10.159527] BUG: unable to handle kernel NULL pointer dereference at 00000010 > [ 10.159810] IP: [<f81fb1b5>] coretemp_add_core+0x6a/0x3cd [coretemp] > [ 10.160003] *pde = 00000000 > [ 10.160003] Oops: 0000 [#1] SMP > [ 10.160003] Modules linked in: coretemp(+) w83627hf hwmon_vid w83792d e1000e piix i2c_i801 > [ 10.160003] > [ 10.160003] Pid: 1806, comm: modprobe Not tainted 3.0.6-gentoo #3 Supermicro X6DLP/X6DLP > [ 10.160003] EIP: 0060:[<f81fb1b5>] EFLAGS: 00010283 CPU: 3 > [ 10.160003] EIP is at coretemp_add_core+0x6a/0x3cd [coretemp] > [ 10.160003] EAX: 00000000 EBX: 00000000 ECX: 00000002 EDX: 00000000 > [ 10.160003] ESI: f52d6c08 EDI: c163d200 EBP: f5703f54 ESP: f5703f14 > [ 10.160003] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > [ 10.160003] Process modprobe (pid: 1806, ti=f5702000 task=f54a2be0 task.ti=f5702000) > [ 10.160003] Stack: > [ 10.160003] f5703f24 00000000 349c8000 00000002 00000000 f52d6c00 00000000 f52d6c00 > [ 10.160003] 00000000 ffffffea f5703f54 c12a4690 000080d0 00000000 f6005200 f5cc19d0 > [ 10.160003] f5703f6c f81fb93b f52d6c00 00000000 c15dd3e0 00000000 f5703f80 f81fe03f > [ 10.160003] Call Trace: > [ 10.160003] [<c12a4690>] ? platform_device_add+0xe4/0x12b > [ 10.160003] [<f81fb93b>] get_core_online+0x10c/0x114 [coretemp] > [ 10.160003] [<f81fe03f>] coretemp_init+0x3f/0x69 [coretemp] > [ 10.160003] [<c1001071>] do_one_initcall+0x71/0x113 > [ 10.160003] [<f81fe000>] ? 0xf81fdfff > [ 10.160003] [<c105473b>] sys_init_module+0x61/0x18b > [ 10.160003] [<c13ce1cc>] sysenter_do_call+0x12/0x22 > [ 10.160003] Code: 45 d0 8b 04 85 b4 d2 5d c1 89 45 c8 75 17 0f b7 84 07 ac 00 00 00 83 c0 02 89 45 cc 83 f8 11 0f 8f 3d 03 00 00 8b 4d cc 8b 45 c4 > [ 10.160003] 7c 88 08 00 0f 85 50 03 00 00 a1 c8 d5 6a c1 bb 10 00 00 00 > [ 10.160003] EIP: [<f81fb1b5>] coretemp_add_core+0x6a/0x3cd [coretemp] SS:ESP 0068:f5703f14 > [ 10.160003] CR2: 0000000000000010 > [ 10.173839] ---[ end trace 9066c45a15eac66e ]--- > " > > This used to work fine before I updated the kernel to 3.0.x. (...) Ah, yes, I can reproduce that, and the bug is pretty obvious. I'll send a patch tomorrow. Meanwhile you may be able to work around the problem by installing the microcode_ctl package and ensuring that the microcode is updated before loading the coretemp driver. -- Jean Delvare _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
