On Thursday, February 07, 2013 2:25:17 pm John Baldwin wrote:
> On Thursday, February 07, 2013 1:28:30 pm Mikhail T. wrote:
> > On 07.02.2013 13:16, John Baldwin wrote:
> > > Can you get pciconf -lc output?
> > Here:
> >
> > hostb0@pci0:0:0:0: class=0x060000 card=0x00000000
> > chip=0x11308086 rev=0x02 hdr=0x00
> > cap 09[88] = vendor (length 4) Intel cap 15 version 1
> > cap 02[a0] = AGP 4x 2x 1x SBA disabled
>
> Looks like you have one of the systems the comment mentions. Try this patch
> to see if ichss is disabled automatically for you:
Were you able to test this patch?
> Index: ichss.c
> ===================================================================
> --- ichss.c (revision 246122)
> +++ ichss.c (working copy)
> @@ -67,7 +67,7 @@ struct ichss_softc {
> #define PCI_DEV_82801BA 0x244c /* ICH2M */
> #define PCI_DEV_82801CA 0x248c /* ICH3M */
> #define PCI_DEV_82801DB 0x24cc /* ICH4M */
> -#define PCI_DEV_82815BA 0x1130 /* Unsupported/buggy part */
> +#define PCI_DEV_82815_MC 0x1130 /* Unsupported/buggy part */
>
> /* PCI config registers for finding PMBASE and enabling SpeedStep. */
> #define ICHSS_PMBASE_OFFSET 0x40
> @@ -155,9 +155,6 @@ ichss_identify(driver_t *driver, device_t parent)
> * E.g. see Section 6.1 "PCI Devices and Functions" and table 6.1 of
> * Intel(r) 82801BA I/O Controller Hub 2 (ICH2) and Intel(r) 82801BAM
> * I/O Controller Hub 2 Mobile (ICH2-M).
> - *
> - * TODO: add a quirk to disable if we see the 82815_MC along
> - * with the 82801BA and revision < 5.
> */
> ich_device = pci_find_bsf(0, 0x1f, 0);
> if (ich_device == NULL ||
> @@ -167,6 +164,22 @@ ichss_identify(driver_t *driver, device_t parent)
> pci_get_device(ich_device) != PCI_DEV_82801DB))
> return;
>
> + /*
> + * Certain systems with ICH2 and an Intel 82815_MC host bridge
> + * where the host bridge's revision is < 5 lockup if SpeedStep
> + * is used.
> + */
> + if (pci_get_device(ich_device) == PCI_DEV_82801BA) {
> + device_t hostb;
> +
> + hostb = pci_find_bsf(0, 0, 0);
> + if (hostb != NULL &&
> + pci_get_vendor(hostb) == PCI_VENDOR_INTEL &&
> + pci_get_device(hostb) == PCI_DEV_82815_MC &&
> + pci_get_revid(hostb) < 5)
> + return;
> + }
> +
> /* Find the PMBASE register from our PCI config header. */
> pmbase = pci_read_config(ich_device, ICHSS_PMBASE_OFFSET,
> sizeof(pmbase));
>
--
John Baldwin
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