Date: Sun, 13 Oct 2002 14:26:00 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Shiao Yeh <shiao@terra.es> Cc: hackers@FreeBSD.ORG, John Baldwin <jhb@FreeBSD.ORG> Subject: Re: Help saving 4.7 kernel dump to disk Message-ID: <200210132126.g9DLQ0w9056844@apollo.backplane.com> References: <1034418683.3da7f9fb445ce@bcn.dyndns.org>
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:..
:uhub1: 2 ports with 2 removable, self powered
:umass0: Sony USB Memory Stick Slot, rev 1.10/1.80, addr 2
:pci0: <unknown card> (vendor=0x8086, dev=0x2445) at 31.5 irq 9
:pci0: <unknown card> (vendor=0x8086, dev=0x2446) at 31.6 irq 9
:eisa0: <EISA bus>
:
:Fatal trap 12: page fault while in kernel mode
:fault virtual address = 0x0
:fault code = supervisor read, page not present
This appears to be the same problem. Please try John Baldwin's
patch below and tell us if it fixes it.
Note to John: I sent that patch to my friend Dave but he hasn't
tested it yet. Hopefully some of the other people getting the
crash-and-boot can test it! It looks like a bunch of people are
hitting the same issue.
-Matt
Index: nexus.c
===================================================================
RCS file: /usr/cvs/src/sys/i386/i386/nexus.c,v
retrieving revision 1.26.2.6
diff -u -r1.26.2.6 nexus.c
--- nexus.c 3 Mar 2002 05:42:49 -0000 1.26.2.6
+++ nexus.c 11 Oct 2002 18:07:45 -0000
@@ -219,21 +219,21 @@
* connection points now so they show up "on motherboard".
*/
if (!devclass_get_device(devclass_find("eisa"), 0)) {
- child = device_add_child(dev, "eisa", 0);
+ child = BUS_ADD_CHILD(dev, 0, "eisa", 0);
if (child == NULL)
panic("nexus_attach eisa");
device_probe_and_attach(child);
}
#if NMCA > 0
if (!devclass_get_device(devclass_find("mca"), 0)) {
- child = device_add_child(dev, "mca", 0);
- if (child == 0)
+ child = BUS_ADD_CHILD(dev, 0, "mca", 0);
+ if (child == NULL)
panic("nexus_probe mca");
device_probe_and_attach(child);
}
#endif
if (!devclass_get_device(devclass_find("isa"), 0)) {
- child = device_add_child(dev, "isa", 0);
+ child = BUS_ADD_CHILD(dev, 0, "isa", 0);
if (child == NULL)
panic("nexus_attach isa");
device_probe_and_attach(child);
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