linux

Skill set for becoming a backend engineer

Learning Skill set: REST && Restful api JSON K8s Thrift AWK AWS services BDD test: go ginko why we need BDD? what is the difference between BDD and TDD?

kernel issue tracked in THP huge page

author: hixichen Kernel version:2.6.32 Checked: KSM , THP LOG: <4>------------[ cut here ]------------ <2>kernel BUG at mm/huge_memory.c:1194! <4>invalid opcode: 0000 [#1] SMP <4>last sysfs file: /sys/devices/pci0000:00/0000:00:11.0/0000:06:00.0/host7/scsi_host/host7/proc_name <4>CPU 1 <4>Modules linked in: nf_conntrack bonding 8021q garp stp llc ipv6 openvswitch(U) libcrc32c iptable_filter ip_tables sg igb dca microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support shpchp ext4 mbcache jbd2 sd_mod crc_t10dif isci libsas scsi_transport_sas ahci megaraid_sas wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan] <4> <4>Pid: 3084, comm: redis-server Tainted: G --------------- H 2.