Date: Thu, 7 Feb 2013 14:25:17 -0500 From: John Baldwin <jhb@freebsd.org> To: "Mikhail T." <mi+thun@aldan.algebra.com> Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD-9.1 would not boot on pentium3 laptop Message-ID: <201302071425.17064.jhb@freebsd.org> In-Reply-To: <5113F24E.3070207@aldan.algebra.com> References: <5111DE44.7040008@aldan.algebra.com> <201302071316.29898.jhb@freebsd.org> <5113F24E.3070207@aldan.algebra.com>
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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:
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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