[Xen-devel] General protection fault with via agp

[Henning Glawe <eartoaster@xxxxxxx>]

Moin,
using kernel 2.6.10-xen0, I get a general protection fault when loading
via-agp:

--- dmesg output follows ---
Linux agpgart interface v0.100 (c) Dave Jones
agpgart: Detected VIA KT266/KY266x/KT333 chipset
agpgart: Maximum main memory to use for agp memory: 390M
general protection fault: 0000 [#1]
PREEMPT 
Modules linked in: via_agp agpgart usbhid snd_via82xx snd_ac97_codec 
snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_mpu401_uart 
snd_rawmidi snd_seq_device snd soundcore ehci_hcd uhci_hcd usbcore rtc
CPU:    0
EIP:    0061:[<ddc80840>]    Not tainted VLI
EFLAGS: 00011202   (2.6.10-k7-xen0) 
EIP is at global_cache_flush+0x0/0x10 [agpgart]
eax: ddd484a0   ebx: 00000002   ecx: 0036fbe0   edx: c136fc00
esi: db7d0000   edi: 1b7d0000   ebp: 00000004   esp: daa7be7c
ds: 007b   es: 007b   ss: 0069
Process modprobe (pid: 1908, threadinfo=daa7a000 task=c15620a0)
Stack: ddc8030b 00000084 daa7be8f 00004000 db7dffff ddc84d40 ddc84d40 dcadf400 
       00000040 ddc7e130 00000000 000000a4 00000004 00000000 00000000 ddc84d40 
       00000001 dcadf400 00000000 ddc7e346 ddc84d40 ddc84d74 ddd489e0 ddd489e0 
Call Trace:
 [<ddc8030b>] agp_generic_create_gatt_table+0xfb/0x230 [agpgart]
 [<ddc7e130>] agp_backend_initialize+0x70/0x170 [agpgart]
 [<ddc7e346>] agp_add_bridge+0x86/0x180 [agpgart]
 [<c022a982>] pci_device_probe_static+0x52/0x70
 [<c022a9db>] __pci_device_probe+0x3b/0x50
 [<c022aa1c>] pci_device_probe+0x2c/0x50
 [<c024a2af>] driver_probe_device+0x2f/0x80
 [<c024a3f9>] driver_attach+0x59/0x90
 [<c024a8c8>] bus_add_driver+0x98/0xd0
 [<c024aedf>] driver_register+0x2f/0x40
 [<c022ac92>] pci_register_driver+0x62/0x80
 [<ddc6700f>] agp_via_init+0xf/0x13 [via_agp]
 [<c0133838>] sys_init_module+0x178/0x230
 [<c0109738>] syscall_call+0x7/0xb
Code: 49 c8 dd 8b 50 38 85 d2 75 04 83 c4 04 c3 8b 50 04 8b 44 24 08 89 04 24 
ff 52 24 eb ed 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 <0f> 09 c3 8d b6 00 00 
00 00 8d bc 27 00 00 00 00 a1 e4 49 c8 dd 

------------------------------

-- 
c u
henning


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