[email protected] wrote:
> Hello Sirs:
> Thank you very much for your help on adding VX800 PCIIDS. I would also
> like to share the DRM patch I have for VIA Chrome9 graph as below. The
> 32bit/64bit issue is solved with comp_ioctl which is used by most of the
> GFX chipset. This patch has been verified under Ubuntu 9.04+Upgraded
> kernel 2.6.32-rc5 with (1) 2D source code which is released on
> http://linux.via.com.tw/support/beginDownload.action?eleid=310&fid=605
> with EXA (2) 3D driver which is release on
> http://linux.via.com.tw/support/beginDownload.action?eleid=341&fid=642. It
> supports CN896/VX800/VX855 chipsets.
I tested this VIA Chrome9 DRM driver under Ubuntu 9.10 and its patched
2.6.31.4 kernel. It loads fine, bus as soon as I start my openchrome Xserver
(compiled for 1.6.4, module version = 0.2.904) I get following Oops:
~~ Here the via_chome9 DRM driver is loaded ~~
Nov 18 23:50:41 netbook kernel: [ 729.223543] [drm] Initialized drm 1.1.0
20060810
Nov 18 23:50:41 netbook kernel: [ 729.231046] [drm] via_chrome9 verify
function enabled.
Nov 18 23:50:41 netbook kernel: [ 729.231100] pci 0000:00:01.0: PCI INT A ->
GSI 16 (level, low) -> IRQ 16
Nov 18 23:50:41 netbook kernel: [ 729.231291] [drm] Initialized via_chrome9
2.11.1 20080415 for 0000:00:01.0 on minor 0
~~ Here I start the X.org server ~~
Nov 18 23:51:01 netbook kernel: [ 749.340827] *pde = 6ef77067
Nov 18 23:51:01 netbook kernel: [ 749.340844] Modules linked in: via_chrome9
drm ppdev agpgart iptable_filter ip_tables acpi_cpufreq
bridge stp x_tables bnep snd_hda_codec_realtek snd_hda_intel snd_hda_codec
snd_hwdep arc4 snd_pcm_oss ecb snd_mixer_oss snd_pcm
snd_seq_dummy uvcvideo ath5k snd_seq_oss videodev mac80211 led_class
snd_seq_midi joydev i2c_viapro lp v4l1_compat via_sdmmc btusb ath
snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore
psmouse snd_page_alloc cfg80211 serio_raw parport video
output sky2 [last unloaded: drm]
Nov 18 23:51:01 netbook kernel: [ 749.340906]
Nov 18 23:51:01 netbook kernel: [ 749.340913] Pid: 2407, comm: Xorg Not
tainted (2.6.31.4-via-pdc-short #5) NC20/NB20
Nov 18 23:51:01 netbook kernel: [ 749.340919] EIP: 0060:[<f822acf2>] EFLAGS:
00013246 CPU: 0
Nov 18 23:51:01 netbook kernel: [ 749.340928] EIP is at
via_chrome9_ioctl_allocate_event_tag+0x22/0x60 [via_chrome9]
Nov 18 23:51:01 netbook kernel: [ 749.340934] EAX: 00000000 EBX: f6a86180 ECX:
00000000 EDX: f6adfe70
Nov 18 23:51:01 netbook kernel: [ 749.340939] ESI: f64bd400 EDI: f8233ac4 EBP:
f6adfe30 ESP: f6adfe30
Nov 18 23:51:01 netbook kernel: [ 749.340944] DS: 007b ES: 007b FS: 00d8 GS:
00e0 SS: 0068
Nov 18 23:51:01 netbook kernel: [ 749.340957] f6adff00 f8493600 00000001
f84a3834 f84a2e16 f84a4784 00000967 40086443
Nov 18 23:51:01 netbook kernel: [ 749.340967] <0> 00000043 0000e200 00000001
00000043 f822acd0 f6adfe70 f6adfe70 40086443
Nov 18 23:51:01 netbook kernel: [ 749.340978] <0> 00fa1400 0f01d7e0 c1d6c584
00000085 f6f75730 f6f7567c f64a2bb0 f6f7572c
Nov 18 23:51:01 netbook kernel: [ 749.341056] [<f8493600>] ?
drm_ioctl+0x180/0x360 [drm]
Nov 18 23:51:01 netbook kernel: [ 749.341067] [<f822acd0>] ?
via_chrome9_ioctl_allocate_event_tag+0x0/0x60 [via_chrome9]
Nov 18 23:51:01 netbook kernel: [ 749.341078] [<c01b0363>] ?
filemap_fault+0xb3/0x400
Nov 18 23:51:01 netbook kernel: [ 749.341089] [<c023985d>] ?
ext3_file_write+0x2d/0xc0
Nov 18 23:51:01 netbook kernel: [ 749.341100] [<c01de34e>] ?
mem_cgroup_update_mapped_file_stat+0x1e/0x70
Nov 18 23:51:01 netbook kernel: [ 749.341106] [<c01ae821>] ?
unlock_page+0x41/0x50
Nov 18 23:51:01 netbook kernel: [ 749.341118] [<c01c62c8>] ?
__do_fault+0x388/0x470
Nov 18 23:51:01 netbook kernel: [ 749.341125] [<c01efa03>] ?
vfs_ioctl+0x73/0x90
Nov 18 23:51:01 netbook kernel: [ 749.341131] [<c01efbca>] ?
do_vfs_ioctl+0x6a/0x5b0
Nov 18 23:51:01 netbook kernel: [ 749.341138] [<c01c7328>] ?
handle_mm_fault+0x138/0x8b0
Nov 18 23:51:01 netbook kernel: [ 749.341144] [<c01e235f>] ?
rw_verify_area+0x5f/0xe0
Nov 18 23:51:01 netbook kernel: [ 749.341154] [<c015cce3>] ?
hrtimer_interrupt+0x183/0x210
Nov 18 23:51:01 netbook kernel: [ 749.341160] [<c01e2507>] ?
vfs_write+0x127/0x190
Nov 18 23:51:01 netbook kernel: [ 749.341170] [<c056782b>] ?
do_page_fault+0x19b/0x380
Nov 18 23:51:01 netbook kernel: [ 749.341176] [<c01f016f>] ?
sys_ioctl+0x5f/0x80
Nov 18 23:51:01 netbook kernel: [ 749.341183] [<c01033ac>] ?
syscall_call+0x7/0xb
Nov 18 23:51:01 netbook kernel: [ 749.341258] ---[ end trace 25ad901e84ee46d5
]---
Nov 18 23:51:16 netbook kernel: [ 764.057266] *pde = 6e4f1067
Nov 18 23:51:16 netbook kernel: [ 764.057282] Modules linked in: via_chrome9
drm ppdev agpgart iptable_filter ip_tables acpi_cpufreq
bridge stp x_tables bnep snd_hda_codec_realtek snd_hda_intel snd_hda_codec
snd_hwdep arc4 snd_pcm_oss ecb snd_mixer_oss snd_pcm
snd_seq_dummy uvcvideo ath5k snd_seq_oss videodev mac80211 led_class
snd_seq_midi joydev i2c_viapro lp v4l1_compat via_sdmmc btusb ath
snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore
psmouse snd_page_alloc cfg80211 serio_raw parport video
output sky2 [last unloaded: drm]
Nov 18 23:51:16 netbook kernel: [ 764.057344]
Nov 18 23:51:16 netbook kernel: [ 764.057351] Pid: 2446, comm: Xorg Tainted: G
D (2.6.31.4-via-pdc-short #5) NC20/NB20
Nov 18 23:51:16 netbook kernel: [ 764.057357] EIP: 0060:[<f822acf2>] EFLAGS:
00013246 CPU: 0
Nov 18 23:51:16 netbook kernel: [ 764.057367] EIP is at
via_chrome9_ioctl_allocate_event_tag+0x22/0x60 [via_chrome9]
Nov 18 23:51:16 netbook kernel: [ 764.057372] EAX: 00000000 EBX: f64de060 ECX:
00000000 EDX: f6a49e70
Nov 18 23:51:16 netbook kernel: [ 764.057377] ESI: f64bd400 EDI: f8233ac4 EBP:
f6a49e30 ESP: f6a49e30
Nov 18 23:51:16 netbook kernel: [ 764.057382] DS: 007b ES: 007b FS: 00d8 GS:
00e0 SS: 0068
Nov 18 23:51:16 netbook kernel: [ 764.057395] f6a49f00 f8493600 00000001
f84a3834 f84a2e16 f84a4784 0000098e 40086443
Nov 18 23:51:16 netbook kernel: [ 764.057405] <0> 00000043 0000e200 00000001
00000043 f822acd0 f6a49e70 f6a49e70 40086443
Nov 18 23:51:16 netbook kernel: [ 764.057416] <0> 00fa1400 0f01d7e0 c1d6c584
00000085 f6f75730 f6f7567c f6a25268 f6f7572c
Nov 18 23:51:16 netbook kernel: [ 764.057494] [<f8493600>] ?
drm_ioctl+0x180/0x360 [drm]
Nov 18 23:51:16 netbook kernel: [ 764.057505] [<f822acd0>] ?
via_chrome9_ioctl_allocate_event_tag+0x0/0x60 [via_chrome9]
Nov 18 23:51:16 netbook kernel: [ 764.057517] [<c01b0363>] ?
filemap_fault+0xb3/0x400
Nov 18 23:51:16 netbook kernel: [ 764.057527] [<c023985d>] ?
ext3_file_write+0x2d/0xc0
Nov 18 23:51:16 netbook kernel: [ 764.057539] [<c01de34e>] ?
mem_cgroup_update_mapped_file_stat+0x1e/0x70
Nov 18 23:51:16 netbook kernel: [ 764.057545] [<c01ae821>] ?
unlock_page+0x41/0x50
Nov 18 23:51:16 netbook kernel: [ 764.057556] [<c01c62c8>] ?
__do_fault+0x388/0x470
Nov 18 23:51:16 netbook kernel: [ 764.057564] [<c01efa03>] ?
vfs_ioctl+0x73/0x90
Nov 18 23:51:16 netbook kernel: [ 764.057570] [<c01efbca>] ?
do_vfs_ioctl+0x6a/0x5b0
Nov 18 23:51:16 netbook kernel: [ 764.057576] [<c01c7328>] ?
handle_mm_fault+0x138/0x8b0
Nov 18 23:51:16 netbook kernel: [ 764.057582] [<c01e235f>] ?
rw_verify_area+0x5f/0xe0
Nov 18 23:51:16 netbook kernel: [ 764.057588] [<c01e2507>] ?
vfs_write+0x127/0x190
Nov 18 23:51:16 netbook kernel: [ 764.057598] [<c056782b>] ?
do_page_fault+0x19b/0x380
Nov 18 23:51:16 netbook kernel: [ 764.057604] [<c01f016f>] ?
sys_ioctl+0x5f/0x80
Nov 18 23:51:16 netbook kernel: [ 764.057611] [<c01033ac>] ?
syscall_call+0x7/0xb
Nov 18 23:51:16 netbook kernel: [ 764.057687] ---[ end trace 25ad901e84ee46d6
]---
Nov 18 23:51:31 netbook kernel: [ 778.856268] *pde = 6e593067
Nov 18 23:51:31 netbook kernel: [ 778.856284] Modules linked in: via_chrome9
drm ppdev agpgart iptable_filter ip_tables acpi_cpufreq
bridge stp x_tables bnep snd_hda_codec_realtek snd_hda_intel snd_hda_codec
snd_hwdep arc4 snd_pcm_oss ecb snd_mixer_oss snd_pcm
snd_seq_dummy uvcvideo ath5k snd_seq_oss videodev mac80211 led_class
snd_seq_midi joydev i2c_viapro lp v4l1_compat via_sdmmc btusb ath
snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore
psmouse snd_page_alloc cfg80211 serio_raw parport video
output sky2 [last unloaded: drm]
Nov 18 23:51:31 netbook kernel: [ 778.856346]
Nov 18 23:51:31 netbook kernel: [ 778.856353] Pid: 2485, comm: Xorg Tainted: G
D (2.6.31.4-via-pdc-short #5) NC20/NB20
Nov 18 23:51:31 netbook kernel: [ 778.856360] EIP: 0060:[<f822acf2>] EFLAGS:
00013246 CPU: 0
Nov 18 23:51:31 netbook kernel: [ 778.856369] EIP is at
via_chrome9_ioctl_allocate_event_tag+0x22/0x60 [via_chrome9]
Nov 18 23:51:31 netbook kernel: [ 778.856374] EAX: 00000000 EBX: f64de060 ECX:
00000000 EDX: f6729e70
Nov 18 23:51:31 netbook kernel: [ 778.856379] ESI: f64bd400 EDI: f8233ac4 EBP:
f6729e30 ESP: f6729e30
Nov 18 23:51:31 netbook kernel: [ 778.856384] DS: 007b ES: 007b FS: 00d8 GS:
00e0 SS: 0068
Nov 18 23:51:31 netbook kernel: [ 778.856397] f6729f00 f8493600 00000001
f84a3834 f84a2e16 f84a4784 000009b5 40086443
Nov 18 23:51:31 netbook kernel: [ 778.856408] <0> 00000043 0000e200 00000001
00000043 f822acd0 f6729e70 f6729e70 40086443
Nov 18 23:51:31 netbook kernel: [ 778.856419] <0> 00fa1400 0f01d7e0 c1d6c584
00000085 f6f75730 f6f7567c f6a258f0 f6f7572c
Nov 18 23:51:31 netbook kernel: [ 778.856496] [<f8493600>] ?
drm_ioctl+0x180/0x360 [drm]
Nov 18 23:51:31 netbook kernel: [ 778.856507] [<f822acd0>] ?
via_chrome9_ioctl_allocate_event_tag+0x0/0x60 [via_chrome9]
Nov 18 23:51:31 netbook kernel: [ 778.856519] [<c01b0363>] ?
filemap_fault+0xb3/0x400
Nov 18 23:51:31 netbook kernel: [ 778.856530] [<c023985d>] ?
ext3_file_write+0x2d/0xc0
Nov 18 23:51:31 netbook kernel: [ 778.856541] [<c01de34e>] ?
mem_cgroup_update_mapped_file_stat+0x1e/0x70
Nov 18 23:51:31 netbook kernel: [ 778.856547] [<c01ae821>] ?
unlock_page+0x41/0x50
Nov 18 23:51:31 netbook kernel: [ 778.856558] [<c01c62c8>] ?
__do_fault+0x388/0x470
Nov 18 23:51:31 netbook kernel: [ 778.856566] [<c01efa03>] ?
vfs_ioctl+0x73/0x90
Nov 18 23:51:31 netbook kernel: [ 778.856572] [<c01efbca>] ?
do_vfs_ioctl+0x6a/0x5b0
Nov 18 23:51:31 netbook kernel: [ 778.856578] [<c01c7328>] ?
handle_mm_fault+0x138/0x8b0
Nov 18 23:51:31 netbook kernel: [ 778.856585] [<c01e235f>] ?
rw_verify_area+0x5f/0xe0
Nov 18 23:51:31 netbook kernel: [ 778.856595] [<c015cce3>] ?
hrtimer_interrupt+0x183/0x210
Nov 18 23:51:31 netbook kernel: [ 778.856601] [<c01e2507>] ?
vfs_write+0x127/0x190
Nov 18 23:51:31 netbook kernel: [ 778.856610] [<c056782b>] ?
do_page_fault+0x19b/0x380
Nov 18 23:51:31 netbook kernel: [ 778.856616] [<c01f016f>] ?
sys_ioctl+0x5f/0x80
Nov 18 23:51:31 netbook kernel: [ 778.856623] [<c01033ac>] ?
syscall_call+0x7/0xb
Nov 18 23:51:31 netbook kernel: [ 778.856699] ---[ end trace 25ad901e84ee46d7
]---
I know this kernel module is made for VIAs own X.org driver and not openchrome
but:
1. I don't think userspace should be able to easily trigger a kernel oops, and
2. Can't this new VIA Chrome9 DRM interface be made more compatible to the
existing one? Ideally it would "simply work" with the existing/slightly
modified (with the support from VIA?!) opensource openchrome driver...
Kind regards,
Thomas
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