[DragonFlyBSD - Bug #2467] (Resolved) Intel 945GME agp Fatal trap 12 with ACPI disabled

Francois Tigeot via Redmine bugtracker-admin at leaf.dragonflybsd.org
Wed Dec 5 14:15:41 PST 2012

Issue #2467 has been updated by Francois Tigeot.

Status changed from In Progress to Resolved
% Done changed from 50 to 100

Fix commited. Thanks for testing!
Bug #2467: Intel 945GME agp Fatal trap 12 with ACPI disabled

Author: David Shao
Status: Resolved
Priority: Normal
Assignee: Francois Tigeot
Target version: 

ACPI disabled on a Lenovo Ideapad netbook:

MPTABLE: 0:31 INTB routed to irq 19
vgapci0: <VGA-compatible display> [tentative] port 0x1800-0x1807 mem 0xf0600000-0xf063ffff,0xd0000000-0xdfffffff,0xf0500000-0xf057ffff irq 16 at device 2.0 on pci0
agp0: <Intel 945GME SVGA controller> [tentative] on vgapci0
vgapci0: Reserved 0x10000000 bytes for rid 0x18 type 3 at 0xd0000000

Fatal trap 12: page fault while in kernel mode
cpuid = 0; lapic.id = 00000000
fault virtual address  = 0x78
fault code             = supervisor write, page not present
instruction pointer    = 0x8:0xc052b97e
stack pointer          = 0x10:0xc0ef5984
frame pointer          = 0x10:0xc0ef59a8
code segment           = base 0x0, limit 0xfffff, type 0x1b
                       = DPL 0, pres 1, def32 1, gran 1
processor eflags       = interrupt enabled, resume, IOPL = 0
current process        = 0 (swapper)
current thread         = pri 12
 <- SMP: XXX
kernel: type 12 trap, code=2

CPU0 stopping CPUs: 0x00000002
Stopped at   agp_generic_attach+0x13f:   movl  %esi,0x78(%eax)

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