Dipankar Sarma wrote:
Can you look at that each cpu is running (backtrace) using sysrq ? That may tell us what is holding up RCU. I will look at it myself later.
I'm having some trouble with sysrq over serial console. I can trigger it, and it dumps the words "SysRq : Show Regs" to the console, but the actual data only goes to dmesg.
That should work for this, but does anyone have any idea whats going on there?
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