On Thu, Jan 5, 2012 at 6:19 AM, Michal Hocko <mhocko@xxxxxxx> wrote: > > Looking in the history it seems that 497f16f2 [pci: Fix hotplug of > Express Module with pci bridges] might be related. It fixes an issue > introduced by bbef98ab [PCI: defer enablement of SRIOV BARS] which is a > part of my 3.2.0-rc6-00005-ga36bfdd problematic version. But I do not > understand details of the patch so I cannot tell that for 100%. > Yinghai Lu, is it possible that I the problem I have seen is somehow > related? For reference the thread started at > https://lkml.org/lkml/2011/12/27/65 you have one bridge that BIOS does not assign resource to it. so kernel will allocate resource to it. [ 0.331694] pci 0000:00:1c.2: BAR 8: assigned [mem 0x80100000-0x803fffff] [ 0.331825] pci 0000:00:1c.2: BAR 9: assigned [mem 0x80400000-0x805fffff 64bit pref] [ 0.332041] pci 0000:00:1c.2: BAR 7: assigned [io 0x4000-0x4fff] [ 0.334271] pci 0000:05:00.0: BAR 0: assigned [mem 0x80100000-0x80100fff] [ 0.334455] pci 0000:05:00.0: BAR 0: set to [mem 0x80100000-0x80100fff] (PCI address [0x80100000-0x80100fff]) [ 0.334666] pci 0000:00:1c.2: PCI bridge to [bus 05-05] [ 0.334794] pci 0000:00:1c.2: bridge window [io 0x4000-0x4fff] [ 0.334926] pci 0000:00:1c.2: bridge window [mem 0x80100000-0x803fffff] [ 0.335058] pci 0000:00:1c.2: bridge window [mem 0x80400000-0x805fffff 64bit pref] yes, the commit fix the problem. in the commit log i already said: | That should fix regression like BIOS does not assign correct resource to | bridge. Thanks Yinghai Lu -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html