ifup eth0 SIOCSIFFLAGS: Cannot allocate memory Failed to bring up eth0 Centos Network won't work after kernel update and reboot
ifup eth0
SIOCSIFFLAGS: Cannot allocate memory
Failed to bring up eth0
This is on a Centos 5.5 machine with OpenVZ kernel 2.6.18-238.12.1.el5.028stab091.1PAE, I updated 3 systems with the same hardware to the same kernel and for some reason the network didn't come back.
This only happened once the first time I booted into the new kernel and hasn't happened again but this is a serious issue for those running systems from remote locations such as a datacenters.
I believe rebooting is what fixed everything or possibly removing and reloading the kernel module for the NIC.
This may be a sign of a bad motherboard or power supply, eventually the related system just wouldn't come back after a reboot and would not power up at all. Further, before the system died weird and random things happened with grub needing to be reinstalled after being corrupted etc...
Tags:
ifup, eth, siocsifflags, allocate, centos, kernel, update, rebootifup, openvz, pae, updated, hardware, didn, booted, hasn, locations, datacenters, rebooting, removing, reloading, module, nic, motherboard, wouldn, reboot, grub, reinstalled, corrupted, etc,