I doubt they are related but figured it was worth mentioning last night we got soft lockups (not the divide by zero panics we've seen in the past) on a machine. Our hosting provider's KVM software didnt allow me to get the text but i got some screenshots.
I doubt they are related but figured it was worth mentioning last night we got soft lockups (not the divide by zero panics we've seen in the past) on a machine. Our hosting provider's KVM software didnt allow me to get the text but i got some screenshots.
http:// img.skitch. com/20100914- nkskuxfcucgrigj 95bqqtbids1. jpg img.skitch. com/20100914- xir2hce4rt1p83m 9jyy9agr4dk. jpg img.skitch. com/20100914- tx6nuuf86sp552u 118m1uebcd. jpg
http://
http://
From the first function call in the trace it looks like its in the meta information block cache. Maybe due to the spinlock or a bug in xfs?
joe@der-dieb ~/Downloads/ linux-2. 6.32.21 $ ack mb_cache_shrink_fn . shrink_ fn(int nr_to_scan, gfp_t gfp_mask); shrink_ fn() memory pressure callback cache_shrink_ fn(int nr_to_scan, gfp_t gfp_mask)
fs/mbcache.c
118:static int mb_cache_
121: .shrink = mb_cache_shrink_fn,
189: * mb_cache_
200:mb_