On Thu, Sep 25, 2014 at 8:49 AM, Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx> wrote: > On 09/16/2014 06:27 PM, Yinghai Lu wrote: >> On Tue, Sep 16, 2014 at 1:21 PM, Joseph Salisbury >> <joseph.salisbury@xxxxxxxxxxxxx> wrote: >>> A new bug[0] was opened due to enabling PCI_REALLOC_ENABLE_AUTO, which >>> is similar to the original bug[1] we discussed. >>> >>> Just wondering if there have been any additional ideas on realloc since >>> this was last discussed? >>> >>> [0] http://pad.lv/1363313 >>> [1] http://pad.lv/1245938 >> This one looks different, that LSI card support SRIOV, but BIOS does not >> allocate resource to SRIOV bar. >> We release old resource and ...reallocate resource to them with two retries. > > The user collected earlydump data, which can be found here: > https://launchpadlibrarian.net/185141163/dmesg-pci%3Dearlydump Did you ask the user to test reset_lsi_pci_devices.patch? > --- > drivers/pci/setup-bus.c | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > Index: linux-2.6/drivers/pci/setup- bus.c > =================================================================== > --- linux-2.6.orig/drivers/pci/setup-bus.c > +++ linux-2.6/drivers/pci/setup-bus.c > @@ -1615,6 +1615,22 @@ again: > fail_res->flags & type_mask, > rel_type); > > + /* reset LSI device */ > + list_for_each_entry(fail_res, &fail_head, list) { > + struct pci_dev *pdev; > + struct pci_bus *pbus = fail_res->dev->bus; > + > + if (pci_is_root_bus(pbus) || !pbus->self) > + continue; > + > + /* LSI device firmware is not happy with changing BAR value */ > + list_for_each_entry(pdev, &pbus->devices, bus_list) > + if (pdev->vendor == PCI_VENDOR_ID_LSI_LOGIC) { > + pci_reset_secondary_bus(pbus->self); > + break; > + } > + } > + > /* restore size and flags */ > list_for_each_entry(fail_res, &fail_head, list) { > struct resource *res = fail_res->res; Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
