id,summary,reporter,owner,description,type,status,priority,milestone,component,resolution,keywords,cc,fix_version,see_also 1054,cluster reboots sometimes hang (3),kaduk,,"Sometimes, when a cluster machine decides that it wants to reboot as a user is logging out, it ends up hung at the purple ubuntu splash. Sometimes, sysrq-b will bring the machine back up; sometimes a power-cycle is needed. In the latter case, there is sometimes slight corruption in video memory. This is more solidly attributable to kexec than #1052 and #1053, and Jon has proposed disabling kexec in r25385",defect,closed,normal,The Distant Future,--,fixed,,,,