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.