Hi,
I am testing a driver, it crash in UML when it calls vmalloc,
Poking around, it seems, kmem_top has an invalid memory location,
unsigned long get_kmem_end(void)
{
if(kmem_top == 0)
kmem_top = CHOOSE_MODE(kmem_end_tt, kmem_end_skas);
return(kmem_top);
}
(gdb) p/x kmem_top
$12 = 0xbff00000
(gdb) x/20 kmem_top
0xbff00000: Cannot access memory at address 0xbff00000
(gdb)
Wonderinf if I am doing anything wrong ?
Host is Fedora Core 5, original, unpacthed, unmodified kernel,
24/10:32% uname -a
Linux huchen-fedora1 2.6.15-1.2054_FC5 #1 Tue Mar 14 15:48:33 EST 2006
i686 i686 i386 GNU/Linux
24/10:32%
UML is 2.6.18,
Thanks,
-- Huei-Ping
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