[Lguest] lguest: unhandled trap
Rusty Russell
rusty at rustcorp.com.au
Mon Oct 20 10:39:06 EST 2008
On Sunday 19 October 2008 10:36:51 Tiago Maluta wrote:
> Hi,
>
> I'm using 2.6.27-05323-g26e9a39 and when I try to use lguest:
>
> ~#Documentation/lguest/lguest 128 vmlinux
> lguest: unhandled trap 14 at 0xc0594f6a (0xff900000)
Yes, I found the same issue. Does this fix it for you?
Subject: lguest: don't try DMI
dmi_scan_machine breaks under lguest; this is the simplest fix (though
ugly). Perhaps this hurts Xen too?
Error:
lguest: unhandled trap 14 at 0xc04edeae (0xffa00000)
Signed-off-by: Rusty Russell <rusty at rustcorp.com.au>
diff -r 47449cd8e3d8 drivers/firmware/dmi_scan.c
--- a/drivers/firmware/dmi_scan.c Fri Oct 17 12:14:40 2008 +1100
+++ b/drivers/firmware/dmi_scan.c Fri Oct 17 20:54:30 2008 +1100
@@ -369,6 +369,11 @@ void __init dmi_scan_machine(void)
char __iomem *p, *q;
int rc;
+#ifdef CONFIG_PARAVIRT
+ if (strcmp(pv_info.name, "lguest") == 0)
+ goto error;
+#endif
+
if (efi_enabled) {
if (efi.smbios == EFI_INVALID_TABLE_ADDR)
goto error;
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