Re: [PATCH] perf/x86/intel/uncore: fix IMC missing box initialization

[Vince Weaver]

On Fri, 24 Apr 2015, Vince Weaver wrote:

> [   79.473121] kernel BUG at mm/vmalloc.c:1335!
> [   79.477705] invalid opcode: 0000 [#1] SMP 
...
> [   79.694391] Call Trace:
> [   79.696997]  <IRQ> 
> [   79.699090]  [<ffffffff811b2130>] get_vm_area_caller+0x40/0x50
> [   79.705505]  [<ffffffff81039f4d>] ? snb_uncore_imc_init_box+0x6d/0x90

This maps to:

	static void snb_uncore_imc_init_box(struct intel_uncore_box *box) {
		...
	        box->io_addr = ioremap(addr, SNB_UNCORE_PCI_IMC_MAP_SIZE);

The machine I am seeing this on is a Haswell desktop, Intel 6/60/3.

Vince
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