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179
2012 Mar 05
3
Lose XHCI Device on HP Ivybridge While Resuming on Battery
...e diffed lspci output across a working resume on AC and across a bad resume on battery. There seem to be the differences unique to the bad case:
00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host Controller (rev 04) (prog-if 30 [XHCI])
Subsystem: Hewlett-Packard Company Device 179b
-Flags: bus master, medium devsel, latency 0, IRQ 326
+Flags: medium devsel, IRQ 327 <-------------- lose bus master, latency 0
Memory at 94720000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [70] Power Management version 2
Capabilities: [80] MSI: Enable+ Co...