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https://bugs.freedesktop.org/show_bug.cgi?id=3443
Summary: Savage module segfaults upon load
Product: DRI
Version: XOrg CVS
Platform: Other
OS/Version: Linux
Status: NEW
Severity: blocker
Priority: P2
Component: DRM modules
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
With either the latest (20050517) or the earliest (20050421) available
snapshot of dri, modprobe savage segfaults and causes an oops in the kernel.
Steps to reproduce:
modprobe agpgart
modprobe via-agp
modprobe savage
This is what the kernel says:
[drm] Initialized drm 1.0.0 20040925
mtrr: 0xa8000000,0x8000000 overlaps existing 0xa8000000,0x1000000
mtrr: 0xa8000000,0x2000000 overlaps existing 0xa8000000,0x1000000
mtrr: base(0xaa000000) is not aligned on a size(0x5000000) boundary
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
00000000
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in: savage drm nls_iso8859_1 nls_cp437 sd_mod usb_storage
scsi_mod vfat fat nls_base parport_pc lp parport orinoco_cs orinoco hermes
pcmcia i2c_viapro eth1394 ehci_hcd uhci_hcd ohci1394 ieee1394 yenta_socket
pcmcia_core snd_via82xx snd_ac97_codec snd_mpu401_uart snd_rawmidi snd_seq_oss
snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_pcm snd_timer
snd_page_alloc snd_mixer_oss snd soundcore usbcore i2c_prosavage
cpufreq_ondemand cpufreq_userspace powernow_k7 via_agp agpgart via_rhine mii
CPU: 0
EIP: 0060:[<00000000>] Not tainted VLI
EFLAGS: 00010246 (2.6.10-gentoo-r4)
EIP is at 0x0
eax: 00000006 ebx: 00000000 ecx: 00000000 edx: def4a220
esi: d9c53800 edi: c146b400 ebp: def4a1a8 esp: c5783f4c
ds: 007b es: 007b ss: 0068
Process modprobe (pid: 15790, threadinfo=c5782000 task=c48a5020)
Stack: def7c049 d9c53800 00000006 def4a1a8 def4a220 def4a1a8 c146b400 def4a1c4
def4a220 def78821 c146b400 def4a1a8 def4a220 ffffffff 00000000 c5782000
def4a3c0 0804b9d0 c5782000 deed1017 def4a220 def49f40 c012b16f c0372428
Call Trace:
[<def7c049>] drm_get_dev+0x99/0x130 [drm]
[<def78821>] drm_init+0x111/0x170 [drm]
[<deed1017>] savage_init+0x17/0x1b [savage]
[<c012b16f>] sys_init_module+0x15f/0x210
[<c010272b>] syscall_call+0x7/0xb
Code: Bad EIP value.
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