Hi Sebastian , One quick point, I disabled the hr timer from kernel config and I was able to boot kernel. Regards, Manish Jaggi ________________________________________ From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Sent: Wednesday, January 13, 2016 7:15 PM To: Jaggi, Manish Cc: Mike Galbraith; Clark Williams; Thomas Gleixner; LKML; linux-rt-users; Steven Rostedt Subject: Re: [ANNOUNCE] 4.4-rc6-rt1 (arm64) * Jaggi, Manish | 2016-01-13 11:45:54 [+0000]: >Hi All, > >I am trying to boot linux kernel 4.4.rc7 with the 4.4-rc6-rt1 patch on Cavium thunderX arm64 platform >Below is the bootlog with errors. This and your previous email look the same to me. Did v4.1-RT work here? Can you enable some debuging in order to figure out what triggers "RT throttling activated"? lockdep, sleeping while atomic, the usual stuff :) > Sebastian-- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html