linux-kernel - Re: boot hang after TSC init.

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Message-ID: <20150417143046.GA20588@codemonkey.org.uk>
Date:	Fri, 17 Apr 2015 10:30:46 -0400
From:	Dave Jones <davej@...emonkey.org.uk>
To:	Linux Kernel <linux-kernel@...r.kernel.org>,
	john.stultz@...aro.org, tglx@...utronix.de
Subject: Re: boot hang after TSC init.

On Fri, Apr 17, 2015 at 01:45:54AM -0400, Dave Jones wrote:
 > After updating to todays tree, I have two machines
 > that stop booting after TSC init.
 > 
 > The last things printed are..
 > 
 > tsc: Refined TSC clocksource calibration: 2933.328 MHz
 > clocksource tsc: mask: 0xffffffffffffffff max_cycles: 0x2a483edfd02, max_idle_ns: 440795320705 ns
 > Switched to clocksource tsc
 > 
 > Then the cursor blinks, but booting doesn't continue.
 > 
 > I'll debug more in the morning..

False alarm. Or at least, not TSC related.
It's the same blk-mq bug that Guenter Roeck diagnosed a few hours ago.

	Dave

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