BUG: using smp_processor_id() in preemptible [00000000] code

[blackhawk]

Annoying messeges in kernel log, no functionality involved

uname -a: Linux gentoo64 3.7.4-gentoo #1 SMP PREEMPT Sat Jan 26 17:40:20 MSK 2013 x86_64 Intel(R) Core(TM) i7-3770T CPU @ 2.50GHz GenuineIntel GNU/Linux

dmesg:

[ 1869.028444] BUG: using smp_processor_id() in preemptible [00000000] code: EMT-1/7217
[ 1869.028448] caller is VBoxHost_RTMpCpuId+0x9/0x41 [vboxdrv]
[ 1869.028450] Pid: 7217, comm: EMT-1 Tainted: P           O 3.7.4-gentoo #1
[ 1869.028451] Call Trace:
[ 1869.028453]  [<ffffffff8124e286>] debug_smp_processor_id+0xd2/0xec
[ 1869.028459]  [<ffffffffa024986f>] VBoxHost_RTMpCpuId+0x9/0x41 [vboxdrv]
[ 1869.028469]  [<ffffffff81063fe1>] ? up+0x34/0x3b
[ 1869.028474]  [<ffffffffa024a542>] ? VBoxHost_RTSemFastMutexRelease+0x46/0x4a [vboxdrv]
[ 1869.028477]  [<ffffffff8158568c>] ? _raw_spin_unlock_irqrestore+0x35/0x43
[ 1869.028480]  [<ffffffff81060101>] ? __kfifo_init+0x4f/0x68
[ 1869.028487]  [<ffffffffa02481ce>] ? rtR0MemAllocEx+0x196/0x1f7 [vboxdrv]
[ 1869.028493]  [<ffffffffa02481ce>] ? rtR0MemAllocEx+0x196/0x1f7 [vboxdrv]
[ 1869.028499]  [<ffffffffa0240eab>] ? supdrvIOCtl+0x1272/0x250a [vboxdrv]
[ 1869.028504]  [<ffffffffa02481ce>] ? rtR0MemAllocEx+0x196/0x1f7 [vboxdrv]
[ 1869.028507]  [<ffffffff811145b5>] ? virt_to_head_page+0x9/0x2c
[ 1869.028509]  [<ffffffff8106ac99>] ? __might_sleep+0x39/0xfa
[ 1869.028515]  [<ffffffffa023c37f>] ? SUPR0Printf+0x1bf/0x250 [vboxdrv]
[ 1869.028519]  [<ffffffff81132bc2>] ? do_vfs_ioctl+0x462/0x4a3
[ 1869.028523]  [<ffffffff815856c7>] ? _raw_spin_unlock_irq+0x2d/0x38
[ 1869.028527]  [<ffffffff81069c59>] ? finish_task_switch+0x60/0xcc
[ 1869.028530]  [<ffffffff81132c5c>] ? sys_ioctl+0x59/0x7d
[ 1869.028533]  [<ffffffff8158b2ad>] ? system_call_fastpath+0x1a/0x1f

[blackhawk]

lsmod:
coretemp                6118  0 
snd_hda_codec_hdmi     25452  1 
kvm_intel             117339  0 
kvm                   359971  1 kvm_intel
snd_hda_codec_realtek    57781  1 
snd_hda_intel          27490  5 
snd_hda_codec         101157  3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_usb_audio         112637  3 
crc32c_intel            1862  0 
aesni_intel            42644  0 
uvcvideo               63537  0 
videobuf2_vmalloc       2244  1 uvcvideo
videobuf2_memops        2367  1 videobuf2_vmalloc
aes_x86_64              7670  1 aesni_intel
snd_usbmidi_lib        17558  1 snd_usb_audio
videobuf2_core         21803  1 uvcvideo
8192cu                530334  0 
snd_rawmidi            18733  1 snd_usbmidi_lib
xts                     2999  1 aesni_intel
snd_seq_device          5557  1 snd_rawmidi
lrw                     3663  1 aesni_intel
snd_hwdep               5889  2 snd_usb_audio,snd_hda_codec
videodev              100808  2 uvcvideo,videobuf2_core
gf128mul                6891  2 lrw,xts
snd_pcm                73836  4 snd_usb_audio,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
ablk_helper             2277  1 aesni_intel
snd_page_alloc          7453  2 snd_pcm,snd_hda_intel
cryptd                  8119  2 aesni_intel,ablk_helper
snd_timer              18242  1 snd_pcm
nvidia               9119463  49 
media                  11444  2 uvcvideo,videodev
snd                    60637  27 snd_hda_codec_realtek,snd_usb_audio,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_rawmidi,snd_usbmidi_lib,snd_hda_codec,snd_hda_intel,snd_seq_device
lpc_ich                11526  0 
mfd_core                3055  1 lpc_ich
ppdev                   5935  0 
parport_pc             21900  0 
tpm_infineon            6778  0 
parport                21750  2 ppdev,parport_pc
vsock                  35255  0 
vmnet                  37264  0 
vmci                   63199  1 vsock
vmmon                  57449  0 
vboxnetadp             17409  0 
vboxnetflt             12985  0 
vboxpci                11849  0 
vboxdrv              1780255  4 vboxnetadp,vboxnetflt,vboxpci
pci_stub                1487  1 
nfsd                  223176  0 
exportfs                3307  1 nfsd
nbd                     8965  0 
phc_intel               9903  0 
mperf                   1338  1 phc_intel
it87                   32765  0 
hwmon_vid               2347  1 it87
tun                    14686  0 
sata_mv                23831  2 
e1000e                132500  0 
dm_mirror              11877  0 
dm_region_hash          8796  1 dm_mirror
dm_log                  8168  2 dm_region_hash,dm_mirror
dm_mod                 67745  2 dm_log,dm_mirror
zfs                   854660  132 
zunicode              316427  1 zfs
zavl                    4012  1 zfs
zcommon                28385  1 zfs
znvpair                39405  2 zfs,zcommon
spl                   204104  5 zfs,zavl,zunicode,zcommon,znvpair

[galitsyn]

Could you please attach your host kernel config and complete dmesg log?

[Frank Mehnert]

Please reopen if still reproducible with VBox 4.3.2.