http://bugzilla.kernel.org/show_bug.cgi?id=14239
Summary: "modprobe radeon modeset=1" prints kernel stack trace
if monitor is not connected to second radeon videocard
Product: Drivers
Version: 2.5
Kernel Version: 2.6.31-git16
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
AssignedTo: drivers_video-...@kernel-bugs.osdl.org
ReportedBy: mikhail.kshevets...@gmail.com
Regression: No
hello i've got the following kernel messages with kms enabled in
linux-2.6.31-git16
I have two videocards:
-- primary: integrated Radeon HD 3300
-- additional: Radeon HD 4350
when both videocards have a monitor connected, then no problem occurred
if the monitor connected only to primary card, then the following kernel
messages appears in dmesg:
[ 68.976785] ------------[ cut here ]------------
[ 68.979815] WARNING: at drivers/gpu/drm/drm_crtc_helper.c:953
drm_helper_initial_config+0x31/0x4a [drm_kms_helper]()
[ 68.983080] Hardware name: System Product Name
[ 68.986417] Connected connector with 0 modes
[ 68.989804] Modules linked in: radeon(+) xt_mac xt_tcpudp ipt_ULOG xt_owner
ipt_LOG xt_limit xt_state iptable_filter nf_nat_ftp nf_conntrack_irc
nf_conntrack_ftp iptable_nat nf_nat ip_tables x_tables nf_conntrack_ipv4
nf_conntrack nf_defrag_ipv4 nls_utf8 nls_cp866 vfat fat ttm drm_kms_helper drm
i2c_algo_bit fuse sbp2 loop dm_crypt dm_mod snd_hda_codec_atihdmi
snd_hda_codec_realtek snd_emu10k1_synth snd_emux_synth snd_seq_virmidi
snd_seq_midi_emul snd_hda_intel snd_emu10k1 usblp snd_ac97_codec ac97_bus
snd_util_mem snd_hda_codec snd_seq_midi snd_rawmidi snd_hwdep snd_pcm_oss
snd_seq_midi_event snd_mixer_oss snd_seq snd_pcm amd64_edac_mod snd_seq_device
snd_timer i2c_piix4 k8temp edac_core shpchp pcspkr evdev i2c_core emu10k1_gp
pci_hotplug gameport asus_atk0110 snd processor snd_page_alloc soundcore wmi
reiserfs raid10 raid456 async_raid6_recov async_pq async_xor xor async_memcpy
async_tx raid6_pq raid1 raid0 multipath linear md_mod ide_cd_mod cdrom sd_mod
crc_t10dif usbhid ata_generic hid ide_pci_generic usb_storage firewire_ohci
firewire_core crc_itu_t ahci ohci_hcd libata ohci1394 ieee1394 e100 mii sky2
atiixp ehci_hcd ide_core floppy scsi_mod thermal fan thermal_sys [last
unloaded: radeon]
[ 69.027085] Pid: 3457, comm: modprobe Not tainted 2.6.31-git16 #3
[ 69.032435] Call Trace:
[ 69.037813] [<ffffffffa01e2887>] ? drm_helper_initial_config+0x31/0x4a
[drm_kms_helper]
[ 69.043419] [<ffffffffa01e2887>] ? drm_helper_initial_config+0x31/0x4a
[drm_kms_helper]
[ 69.049009] [<ffffffff8104d461>] ? warn_slowpath_common+0x77/0xa3
[ 69.054670] [<ffffffff8104d4e9>] ? warn_slowpath_fmt+0x51/0x59
[ 69.060368] [<ffffffffa01e2764>] ?
drm_helper_probe_single_connector_modes+0x1a9/0x235 [drm_kms_helper]
[ 69.066231] [<ffffffffa01e2825>] ?
drm_helper_probe_connector_modes+0x35/0x66 [drm_kms_helper]
[ 69.072177] [<ffffffffa01e2887>] ? drm_helper_initial_config+0x31/0x4a
[drm_kms_helper]
[ 69.078221] [<ffffffffa05183c7>] ? radeon_modeset_init+0x4c1/0x4d2 [radeon]
[ 69.084282] [<ffffffffa0445306>] ? drm_get_dev+0x336/0x420 [drm]
[ 69.090369] [<ffffffff81190102>] ? local_pci_probe+0x12/0x16
[ 69.096433] [<ffffffff81190cc8>] ? pci_device_probe+0x58/0x80
[ 69.102475] [<ffffffff812082e1>] ? driver_probe_device+0xa3/0x14b
[ 69.108500] [<ffffffff812083d8>] ? __driver_attach+0x4f/0x6f
[ 69.114523] [<ffffffff81208389>] ? __driver_attach+0x0/0x6f
[ 69.120465] [<ffffffff81207ba8>] ? bus_for_each_dev+0x43/0x74
[ 69.126356] [<ffffffff8120756e>] ? bus_add_driver+0xaf/0x1f2
[ 69.132236] [<ffffffff8120868f>] ? driver_register+0xa7/0x111
[ 69.138155] [<ffffffffa055e000>] ? radeon_init+0x0/0xc0 [radeon]
[ 69.144075] [<ffffffff81190f02>] ? __pci_register_driver+0x50/0xb7
[ 69.149998] [<ffffffffa055e000>] ? radeon_init+0x0/0xc0 [radeon]
[ 69.155921] [<ffffffff8100a065>] ? do_one_initcall+0x64/0x174
[ 69.161850] [<ffffffff8107ad84>] ? sys_init_module+0xc5/0x21a
[ 69.167778] [<ffffffff81010ac2>] ? system_call_fastpath+0x16/0x1b
[ 69.173724] ---[ end trace 78b551a70e2c8a7f ]---
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