Date: Thu, 24 Feb 2000 21:23:43 -0500 (EST) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Steve Sizemore <steve@cmpharm.ucsf.edu> Cc: freebsd-alpha@FreeBSD.ORG Subject: Re: xp1000 kernel panics Message-ID: <14517.59248.195064.508397@grasshopper.cs.duke.edu> In-Reply-To: <20000224153843.A147862@cmpharm.ucsf.edu> References: <20000224153843.A147862@cmpharm.ucsf.edu>
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Steve Sizemore writes:
> On an XP1000, for the last few days I've been unable to boot a kernel
> built from -current. The message is
>
> panic: resource_list_alloc: resource entry is busy
>
> The same kernel works fine on a PC164LX, and the XP1000 boots an older
> kernel built from a cvsup on 2/17.
> FreeBSD 4.0-CURRENT #5: Thu Feb 17 09:59:38 PST 2000
>
> Help?
I was assuming that Soren would commit this sometime soon.
The appended patch is from dfr & fixes the problem.
Drew
Index: ata-all.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/ata/ata-all.c,v
retrieving revision 1.48
diff -u -r1.48 ata-all.c
--- ata-all.c 2000/02/18 20:57:27 1.48
+++ ata-all.c 2000/02/20 13:12:02
@@ -436,6 +436,15 @@
break;
}
+ /*
+ * The Cypress ATA controller on some Alphas is confusing. It has
+ * two ATA functions, the first is a masterdev with two subunits,
+ * and the second pci function has the *same* second subunit as a
+ * standalone device.
+ */
+ if (pci_get_devid(dev) == 0xc6931080 && pci_get_function(dev) > 1)
+ return 0;
+
ata_pci_add_child(dev, 0);
if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV ||
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