From: Mason > Sent: 06 March 2017 13:50 > On 06/03/2017 13:42, Mason wrote: > > > So the kernel panics in xhci_find_next_ext_cap() > > ( drivers/usb/host/xhci-ext-caps.h:122 ) > > http://lxr.free-electrons.com/source/drivers/usb/host/xhci-ext-caps.h?v=4.9#L122 > > > > Any idea how this can happen? > > > > base = ioremap_nocache(pci_resource_start(pdev, 0), len); > > > > Could I be passing garbage to ioremap_nocache? > > Oh... > > I have just now understood what Ard wrote a few days ago. > > The issue was that, on this platform, the PCI configuration space > and memory space are multiplexed; in other words they reside at > the same physical address, with a bit in MMIO to choose one or > the other. Time to shoot another hardware engineer. Hopefully it isn't an SMP system - but I wouldn't put it past them. David ��.n��������+%������w��{.n�����{���)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
