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IPI Mask error?


PeterB

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Does anyone know what the significance is of this error message in the syslog?:

Nov  1 15:11:05 Tower kernel: ------------[ cut here ]------------
Nov  1 15:11:05 Tower kernel: WARNING: at arch/x86/kernel/apic/ipi.c:109 default_send_IPI_mask_logical+0x2f/0xb9() (Minor Issues)
Nov  1 15:11:05 Tower kernel: Hardware name:         
Nov  1 15:11:05 Tower kernel: empty IPI mask
Nov  1 15:11:05 Tower kernel: Modules linked in: md_mod xor acpi_cpufreq mperf mpt2sas e1000e ahci scsi_transport_sas raid_class libahci i2c_i801 i2c_core (Drive related)
Nov  1 15:11:05 Tower kernel: Pid: 3418, comm: cache_dirs Not tainted 2.6.37.6-unRAID #4 (Errors)
Nov  1 15:11:05 Tower kernel: Call Trace: (Errors)
Nov  1 15:11:05 Tower kernel:  [<c1028c82>] warn_slowpath_common+0x65/0x7a (Errors)
Nov  1 15:11:05 Tower kernel:  [<c10165c6>] ? default_send_IPI_mask_logical+0x2f/0xb9 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c1028cfb>] warn_slowpath_fmt+0x26/0x2a (Errors)
Nov  1 15:11:05 Tower kernel:  [<c10165c6>] default_send_IPI_mask_logical+0x2f/0xb9 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c1014ca4>] native_send_call_func_ipi+0x4f/0x51 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c10483b4>] smp_call_function_many+0x183/0x19b (Errors)
Nov  1 15:11:05 Tower kernel:  [<c105c416>] ? drain_local_pages+0x0/0x10 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c105c416>] ? drain_local_pages+0x0/0x10 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c10483e6>] smp_call_function+0x1a/0x20 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c102cda3>] on_each_cpu+0xf/0x1e (Errors)
Nov  1 15:11:05 Tower kernel:  [<c105d06a>] drain_all_pages+0x14/0x16 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c105d66c>] __alloc_pages_nodemask+0x313/0x450 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c105d7b8>] __get_free_pages+0xf/0x21 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c1026fc1>] dup_task_struct+0x38/0xfb (Errors)
Nov  1 15:11:05 Tower kernel:  [<c1027b49>] copy_process+0x70/0xa17 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c1028608>] do_fork+0x118/0x253 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c103202f>] ? sigprocmask+0xa8/0xc3 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c10087b3>] sys_clone+0x1b/0x20 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c100289d>] ptregs_clone+0x15/0x38 (Errors)
Nov  1 15:11:05 Tower kernel:  [<c1320325>] ? syscall_call+0x7/0xb (Errors)
Nov  1 15:11:05 Tower kernel: ---[ end trace dba3dab02f4ad725 ]---

 

I'm not sure whether it is significant, but a preclear was running at the time.

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