----- "Tejun Heo" <tj at kernel.org> wrote: > Hello, > > On 08/29/2010 02:03 PM, CAI Qian wrote: > > > > ----- "Tejun Heo" <tj at kernel.org> wrote: > > > >> On 08/29/2010 01:56 PM, CAI Qian wrote: > >>> It is easy to reproduce by passing maxcpus=1 to the first kernel. > >> > >> Do you mean booting w/ maxcpus=1 hangs the first kernel even w/o > >> kdump? > > Yes, here was the log, > > Hmmm... I can't reproduce it here. I wonder what the difference is. > Can you please trigger sysrq-t after the boot is hung and post the > result? Sysrq keys did not work at this early stage of booting for me even adding sysrq_always_enabled. > Thanks. > > -- > tejun
