Hi, I was trying to run dpdk timer app by setting 512 2MB hugepages but the application crashed with following error EAL: Detected 4 lcore(s) EAL: Probing VFIO support... Bus error (core dumped)
If I reduce the number of hugepages to 256 it works fine. I wondering what could be the problem here. Here's my cpu info processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 26 model name : Intel(R) Core(TM) i7 CPU 950 @ 3.07GHz stepping : 5 microcode : 0x11 cpu MHz : 2794.000 cache size : 8192 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 11 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 rdtscp lm constant_tsc arch_ perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnm i flexpriority ept vpid bugs : bogomips : 5600.00 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 : 26 model name : Intel(R) Core(TM) i7 CPU 950 @ 3.07GHz stepping : 5 microcode : 0x11 cpu MHz : 2794.000 cache size : 8192 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 11 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 rdtscp lm constant_tsc arch_ perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnm i flexpriority ept vpid bugs : bogomips : 5600.00 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management:...... And Here's my meminfo MemTotal: 24679608 kB MemFree: 24014156 kB MemAvailable: 23950600 kB Buffers: 3540 kB Cached: 31436 kB SwapCached: 0 kB Active: 21980 kB Inactive: 22256 kB Active(anon): 10760 kB Inactive(anon): 2940 kB Active(file): 11220 kB Inactive(file): 19316 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 32 kB Writeback: 0 kB AnonPages: 9252 kB Mapped: 11912 kB Shmem: 4448 kB Slab: 27712 kB SReclaimable: 11276 kB SUnreclaim: 16436 kB KernelStack: 2672 kB PageTables: 1000 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 12077660 kB Committed_AS: 137792 kB VmallocTotal: 34359738367 kB VmallocUsed: 0 kB VmallocChunk: 0 kB HardwareCorrupted: 0 kB AnonHugePages: 2048 kB CmaTotal: 0 kB CmaFree: 0 kB HugePages_Total: 256 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 22000 kB DirectMap2M: 25133056 kB
