Hello.We have two servers with mongo database. Mongo uses memory mapped files so almost all host memory is busy. About two times a month kernel panic happens.
I've attached screenshot of kernel panic trace. Can kernel panic be caused by igb driver? I tried to get full trace with netconsole module but did not recieve data from the server after crash.
# modinfo igb filename: /lib/modules/2.6.32-41-server/updates/igb.ko version: 3.4.7 license: GPL description: Intel(R) Gigabit Ethernet Network Driver cat /proc/meminfo MemTotal: 49554536 kB MemFree: 1581652 kB Buffers: 301356 kB Cached: 43114936 kB SwapCached: 168 kB Active: 23141336 kB Inactive: 21976088 kB Active(anon): 1564408 kB Inactive(anon): 139228 kB Active(file): 21576928 kB Inactive(file): 21836860 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 10481656 kB SwapFree: 10481488 kB Dirty: 8000 kB Writeback: 0 kB AnonPages: 1700996 kB Mapped: 36005512 kB Shmem: 2504 kB Slab: 1137860 kB SReclaimable: 724136 kB SUnreclaim: 413724 kB KernelStack: 262168 kB PageTables: 322932 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 35258924 kB Committed_AS: 36555572 kB VmallocTotal: 34359738367 kB VmallocUsed: 386300 kB VmallocChunk: 34333160908 kB HardwareCorrupted: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 7552 kB DirectMap2M: 50315264 kB
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