Feb 12 17:42:09 segfault kernel: [ 7331.346783] ------------[ cut here ]------------ Feb 12 17:42:09 segfault kernel: [ 7331.346794] WARNING: at lib/kref.c:43 kref_get+0x23/0x2d() Feb 12 17:42:09 segfault kernel: [ 7331.346797] Hardware name: 4058CTO Feb 12 17:42:09 segfault kernel: [ 7331.346799] Modules linked in: aes_x86_64 aes_generic ipv6 radeon ttm drm_kms_helper drm i2c_algo_bit acpi_cpufreq cpufreq_conservative cpufreq_ondemand cpufreq_powersave cpufreq_stats freq_table uinput fuse coretemp firewire_sbp2 snd_usb_audio uvcvideo videodev v4l1_compat snd_usb_lib v4l2_compat_ioctl32 snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy arc4 thinkpad_acpi hwmon snd_seq_oss ecb snd_seq_midi iwlagn snd_rawmidi iwlcore snd_seq_midi_event i2c_i801 mac80211 joydev snd_seq snd_timer i2c_core snd_seq_device snd cfg80211 rfkill wmi soundcore snd_page_alloc sdhci_pci sdhci firewire_ohci firewire_core crc_itu_t mmc_core ricoh_mmc ata_generic pata_acpi e1000e video output [last unloaded: scsi_wait_scan] Feb 12 17:42:09 segfault kernel: [ 7331.346895] Pid: 4561, comm: do-not-directly Not tainted 2.6.33-rc7-custom-00280-g23e1ef0 #1 Feb 12 17:42:09 segfault kernel: [ 7331.346899] Call Trace: Feb 12 17:42:09 segfault kernel: [ 7331.346907] [] warn_slowpath_common+0x7c/0x94 Feb 12 17:42:09 segfault kernel: [ 7331.346913] [] warn_slowpath_null+0x14/0x16 Feb 12 17:42:09 segfault kernel: [ 7331.346918] [] kref_get+0x23/0x2d Feb 12 17:42:09 segfault kernel: [ 7331.346945] [] radeon_fence_ref+0x1a/0x21 [radeon] Feb 12 17:42:09 segfault kernel: [ 7331.346969] [] radeon_bo_list_validate+0xac/0xf4 [radeon] Feb 12 17:42:09 segfault kernel: [ 7331.346996] [] radeon_cs_parser_relocs+0x19d/0x1fb [radeon] Feb 12 17:42:09 segfault kernel: [ 7331.347023] [] radeon_cs_ioctl+0xca/0x1a2 [radeon] Feb 12 17:42:09 segfault kernel: [ 7331.347050] [] ? radeon_gem_busy_ioctl+0x7a/0x86 [radeon] Feb 12 17:42:09 segfault kernel: [ 7331.347066] [] drm_ioctl+0x25f/0x371 [drm] Feb 12 17:42:09 segfault kernel: [ 7331.347073] [] ? sched_clock_cpu+0xc3/0xce Feb 12 17:42:09 segfault kernel: [ 7331.347099] [] ? radeon_cs_ioctl+0x0/0x1a2 [radeon] Feb 12 17:42:09 segfault kernel: [ 7331.347105] [] ? sched_clock_local+0x1c/0x82 Feb 12 17:42:09 segfault kernel: [ 7331.347113] [] ? rcu_read_unlock+0x0/0x23 Feb 12 17:42:09 segfault kernel: [ 7331.347118] [] ? sched_clock_cpu+0xc3/0xce Feb 12 17:42:09 segfault kernel: [ 7331.347124] [] ? cpu_clock+0x43/0x5e Feb 12 17:42:09 segfault kernel: [ 7331.347130] [] vfs_ioctl+0x32/0xa6 Feb 12 17:42:09 segfault kernel: [ 7331.347135] [] do_vfs_ioctl+0x490/0x4d6 Feb 12 17:42:09 segfault kernel: [ 7331.347141] [] ? rcu_read_unlock+0x21/0x23 Feb 12 17:42:09 segfault kernel: [ 7331.347147] [] ? fget_light+0xe4/0xf2 Feb 12 17:42:09 segfault kernel: [ 7331.347153] [] ? fget_light+0x57/0xf2 Feb 12 17:42:09 segfault kernel: [ 7331.347158] [] sys_ioctl+0x56/0x79 Feb 12 17:42:09 segfault kernel: [ 7331.347165] [] system_call_fastpath+0x16/0x1b Feb 12 17:42:09 segfault kernel: [ 7331.347170] ---[ end trace 19e4068e6daee7fc ]---