On Fri, Sep 16, 2011 at 09:07:52AM -0700, Guenter Roeck wrote: > On Thu, Sep 15, 2011 at 03:30:18PM -0400, Dave Jones wrote: > > just had a user report this against rc6.. > > > > # while true; do rmmod coretemp; modprobe coretemp; done > > > > > > [15811.924167] BUG: MAX_LOCKDEP_ENTRIES too low! > > [15811.924171] turning off the locking correctness validator. > > [15811.924175] Pid: 10598, comm: modprobe Not tainted 3.1.0-rc6+ #5 > > [15811.924178] Call Trace: > > [15811.924187] [<ffffffff81081205>] ? up+0x39/0x3e > > [15811.924193] [<ffffffff8108e556>] add_lock_to_list.constprop.22+0x45/0xa7 > > [15811.924198] [<ffffffff81090c05>] __lock_acquire+0xb7f/0xd0c > > [15811.924204] [<ffffffff81091594>] ? mark_held_locks+0x6d/0x95 > > [15811.924210] [<ffffffff814e27d5>] ? __slab_alloc+0x41c/0x43d > > [15811.924216] [<ffffffff812701d0>] ? kobject_add_internal+0x9b/0x18c > > [15811.924221] [<ffffffff81091295>] lock_acquire+0xf3/0x13e > > [15811.924225] [<ffffffff812701d0>] ? kobject_add_internal+0x9b/0x18c > > [15811.924230] [<ffffffff812701d0>] ? kobject_add_internal+0x9b/0x18c > > [15811.924236] [<ffffffff814e96a3>] _raw_spin_lock+0x40/0x73 > > [15811.924241] [<ffffffff812701d0>] ? kobject_add_internal+0x9b/0x18c > > [15811.924245] [<ffffffff8127012e>] ? kobject_get+0x18/0x1f > > [15811.924250] [<ffffffff812701d0>] kobject_add_internal+0x9b/0x18c > > [15811.924255] [<ffffffff812705fa>] kobject_add+0x91/0xa2 > > [15811.924260] [<ffffffff814c5afd>] ? klist_init+0x33/0x46 > > [15811.924265] [<ffffffff81337bc3>] device_add+0xd5/0x576 > > [15811.924271] [<ffffffff81336ac3>] ? dev_set_name+0x41/0x43 > > [15811.924277] [<ffffffff8133b8f1>] platform_device_add+0x111/0x15b > > [15811.924283] [<ffffffffa0606cbd>] get_core_online+0x9b/0x143 [coretemp] > > [15811.924290] [<ffffffffa0050000>] ? 0xffffffffa004ffff > > [15811.924296] [<ffffffffa005004b>] coretemp_init+0x4b/0x1000 [coretemp] > > [15811.924302] [<ffffffffa0050000>] ? 0xffffffffa004ffff > > [15811.924308] [<ffffffff81002099>] do_one_initcall+0x7f/0x13a > > [15811.924313] [<ffffffffa0050000>] ? 0xffffffffa004ffff > > [15811.924319] [<ffffffff8109cacf>] sys_init_module+0x114/0x267 > > [15811.924324] [<ffffffff814f0202>] system_call_fastpath+0x16/0x1b > > > > > I have tried to reproduce the problem with lockdeb debugging enabled, > but I was unable to see it. Guess I must be missing something. > > Couple of questions: > > What CPU and/or system was this seen with ? Output of /proc/cpuinfo might help. processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU L9600 @ 2.13GHz stepping : 10 cpu MHz : 800.000 cache size : 6144 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm ida dts tpr_shadow vnmi flexpriority bogomips : 4266.41 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU L9600 @ 2.13GHz stepping : 10 cpu MHz : 2134.000 cache size : 6144 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm ida dts tpr_shadow vnmi flexpriority bogomips : 4266.79 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: > Can you send the configuration file used to build the kernel ? User reported it using a fedora config. I reproduced it using a similar one.. http://codemonkey.org.uk/junk/coretempbug-config > How long does one have to run the loop ? happened within a few seconds for me > What is the output of "sensors" with coretemp loaded ? $ sensors acpitz-virtual-0 Adapter: Virtual device temp1: +81.0°C (crit = +100.0°C) temp2: +62.0°C (crit = +100.0°C) temp3: +61.0°C (crit = +100.0°C) coretemp-isa-0000 Adapter: ISA adapter Core 0: +78.0°C (high = +105.0°C, hyst = +0.0°C) (crit = +105.0°C) Core 1: +81.0°C (high = +105.0°C, hyst = +0.0°C) (crit = +105.0°C) _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
