I checked in a fix that switches from dev->pdev->driver->name
to
drm->driver->pci_driver.name
This should fix the segfaults in stealth mode when the pci driver is set to the wrong driver (fbdev) or no driver (vesafb).
Please give it a try.
Yes, that works here (with vesafb).
I've just noticed though I can't rmmod the radeon module (neither the old linux-2.6 version nor drm-cor), maybe it's trying to unregister the i2c bus it couldn't register previously?
Oct 20 14:10:57 ZakTower kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Oct 20 14:10:57 ZakTower kernel: printing eip:
Oct 20 14:10:57 ZakTower kernel: f10192ce
Oct 20 14:10:57 ZakTower kernel: *pde = 00000000
Oct 20 14:10:57 ZakTower kernel: Oops: 0000 [#1]
Oct 20 14:10:57 ZakTower kernel: PREEMPT
Oct 20 14:10:57 ZakTower kernel: Modules linked in: radeon drm nvram tuner tvaudio msp3400 usbserial bttv video_buf firmware_class i2c_algo_bit v4l2_common btcx_risc parport_pc lp parport videodev ir_kbd_i2c ir_common sk98lin speedstep_lib freq_table thermal processor fan via686a snd_seq_oss snd_pcm_oss snd_mixer_oss snd_seq_midi snd_emu10k1_synth snd_emux_synth button snd_seq_virmidi snd_seq_midi_event snd_seq_midi_emul battery edd joydev sg sd_mod sr_mod ac w83781d i2c_sensor i2c_isa snd_seq snd_emu10k1 snd_rawmidi snd_pcm snd_timer snd_seq_device snd_ac97_codec snd_page_alloc snd_util_mem snd_hwdep snd soundcore i2c_viapro i2c_core ehci_hcd emu10k1_gp gameport af_packet uhci_hcd amd64_agp ohci1394 ieee1394 8139too agpgart mii evdev ipt_TCPMSS ipt_TOS ipt_LOG ipt_state usbcore ip6t_LOG ip6table_mangle ipt_REJECT iptable_mangle iptable_filter ip_nat_ftp iptable_nat ip_conntrack_ftp ip_conntrack ip_tables ip6table_filter ip6_tables ipv6 ide_cd cdrom ntfs nls_utf8 nls_cp850 vfat fat dm_mod
Oct 20 14:10:57 ZakTower kernel: CPU: 0
Oct 20 14:10:57 ZakTower kernel: EIP: 0060:[pg0+1085620942/1337168896] Not tainted VLI
Oct 20 14:10:57 ZakTower kernel: EIP: 0060:[<f10192ce>] Not tainted VLI
Oct 20 14:10:57 ZakTower kernel: EFLAGS: 00010217 (2.6.9n)
Oct 20 14:10:57 ZakTower kernel: EIP is at i2c_del_adapter+0x7e/0x1d0 [i2c_core]
Oct 20 14:10:57 ZakTower kernel: eax: f104ea08 ebx: 00000000 ecx: f101ea30 edx: 00000000
Oct 20 14:10:57 ZakTower kernel: esi: e71e81ac edi: e71e8278 ebp: e71e8110 esp: e56f0ec8
Oct 20 14:10:57 ZakTower kernel: ds: 007b es: 007b ss: 0068
Oct 20 14:10:57 ZakTower kernel: Process rmmod (pid: 25561, threadinfo=e56f0000 task=df183560)
Oct 20 14:10:57 ZakTower kernel: Stack: b046ff14 002d1000 00000002 00008000 b03ac900 00000000 ea1be000 00000008
Oct 20 14:10:57 ZakTower kernel: b010f492 e56f0f0f e71e8000 00000003 ea1be000 00000000 f1289d1b ea1be000
Oct 20 14:10:57 ZakTower kernel: e71e8000 f1281d73 00000286 ecfdf700 ecfdf700 b1a80a00 f129d595 00000000
Oct 20 14:10:57 ZakTower kernel: Call Trace:
Oct 20 14:10:57 ZakTower kernel: [mtrr_del_page+130/432] mtrr_del_page+0x82/0x1b0
Oct 20 14:10:57 ZakTower kernel: [<b010f492>] mtrr_del_page+0x82/0x1b0
Oct 20 14:10:57 ZakTower kernel: [pg0+1088179483/1337168896] radeon_delete_i2c_busses+0x3b/0x40 [radeon]
Oct 20 14:10:57 ZakTower kernel: [<f1289d1b>] radeon_delete_i2c_busses+0x3b/0x40 [radeon]
Oct 20 14:10:57 ZakTower kernel: [pg0+1088146803/1337168896] radeon_postcleanup+0x23/0x80 [radeon]
Oct 20 14:10:57 ZakTower kernel: [<f1281d73>] radeon_postcleanup+0x23/0x80 [radeon]
Oct 20 14:10:57 ZakTower kernel: [pg0+1088259477/1337168896] drm_cleanup+0x315/0x370 [drm]
Oct 20 14:10:57 ZakTower kernel: [<f129d595>] drm_cleanup+0x315/0x370 [drm]
Oct 20 14:10:57 ZakTower kernel: [pg0+1088259665/1337168896] drm_exit+0x61/0xc0 [drm]
Oct 20 14:10:57 ZakTower kernel: [<f129d651>] drm_exit+0x61/0xc0 [drm]
Oct 20 14:10:57 ZakTower kernel: [try_stop_module+22/32] try_stop_module+0x16/0x20
Oct 20 14:10:57 ZakTower kernel: [<b01344f6>] try_stop_module+0x16/0x20
Oct 20 14:10:57 ZakTower kernel: [sys_delete_module+336/352] sys_delete_module+0x150/0x160
Oct 20 14:10:57 ZakTower kernel: [<b01346c0>] sys_delete_module+0x150/0x160
Oct 20 14:10:57 ZakTower kernel: [unmap_vma_list+14/32] unmap_vma_list+0xe/0x20
Oct 20 14:10:57 ZakTower kernel: [<b014ba8e>] unmap_vma_list+0xe/0x20
Oct 20 14:10:57 ZakTower kernel: [do_munmap+296/416] do_munmap+0x128/0x1a0
Oct 20 14:10:57 ZakTower kernel: [<b014be58>] do_munmap+0x128/0x1a0
Oct 20 14:10:57 ZakTower kernel: [sys_munmap+71/112] sys_munmap+0x47/0x70
Oct 20 14:10:57 ZakTower kernel: [<b014bf17>] sys_munmap+0x47/0x70
Oct 20 14:10:57 ZakTower kernel: [sysenter_past_esp+82/113] sysenter_past_esp+0x52/0x71
Oct 20 14:10:57 ZakTower kernel: [<b0106049>] sysenter_past_esp+0x52/0x71
Oct 20 14:10:57 ZakTower kernel: Code: 85 d2 74 e9 89 e8 ff d2 85 c0 89 44 24 14 0f 85 ef 00 00 00 8b 03 eb d5 90 8d 74 26 00 8b 9d 68 01 00 00 8d bd 68 01 00 00 39 fb <8b> 33 74 30 8d 85 9c 00 00 00 89 44 24 10 8d 74 26 00 81 eb d8
Roland
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