Control: clone -1 -2 Control: reassign -2 src:virtualbox Control: retitle -2 VirtualBox locking incompatible with realtime kernel Control: severity -2 wishlist On Sun, 2013-11-03 at 18:49 +0200, Mattias Põldaru wrote: [...] > ** Kernel log: > [ 6.918443] Modules linked in: vboxdrv(O+) binfmt_misc uinput nfsd > auth_rpcgss oid_registry nfs_acl nfs lockd dns_resolver fscache sunrpc fuse > joydev iTCO_wdt snd_hda_codec_conexant iTCO_vendor_support coretemp kvm_intel > kvm crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 ablk_helper cryptd > lrw gf128mul glue_helper microcode cdc_mbim psmouse evdev pcspkr serio_raw > cdc_ncm usbnet mii cdc_wdm cdc_acm uvcvideo videobuf2_vmalloc videobuf2_memops > videobuf2_core videodev media i2c_i801 btusb bluetooth arc4 iwldvm mac80211 > iwlwifi snd_hda_intel snd_hda_codec cfg80211 snd_hwdep lpc_ich thinkpad_acpi > snd_pcm mfd_core nvram snd_page_alloc snd_seq snd_seq_device snd_timer snd > soundcore battery rfkill ac nouveau tpm_tis mxm_wmi tpm tpm_bios wmi i915 ttm > drm_kms_helper mperf drm i2c_algo_bit video i2c_core mei_me processor mei > button ext4 crc16 jbd2 mbcache sg sr_mod sd_mod cdrom crc_t10dif ahci ehci_pci > libahci firewire_ohci sdhci_pci libata ehci_hcd sdhci firewire_core usbcore > scsi_mod mmc_core crc_itu_t usb_common thermal thermal_sys e1000e ptp pps_core > [ 6.918457] Preemption disabled at:[< (null)>] (null) > [ 6.918457] > [ 6.918460] CPU: 1 PID: 380 Comm: udevd Tainted: G O 3.10-3-rt- > amd64 #1 Debian 3.10.11-1 > [ 6.918460] Hardware name: LENOVO 4236JL1/4236JL1, BIOS 83ET72WW (1.42 ) > 09/05/2012 > [ 6.918464] 0000000000000000 ffffffff813929ba ffff8801b7ae2cc0 > ffffffff81397bac > [ 6.918467] 0000000000000286 ffffffff81398add 0000000000062cc0 > ffff8801b2afbfd8 > [ 6.918469] 0000000000062cc0 ffff8801b2afbfd8 ffff8801b2fc53c0 > ffff8801b2fc53c0 > [ 6.918469] Call Trace: > [ 6.918476] <IRQ> [<ffffffff813929ba>] ? __schedule_bug+0x93/0xa1 > [ 6.918479] [<ffffffff81397bac>] ? __schedule+0x87/0x461 > [ 6.918481] [<ffffffff81398add>] ? _raw_spin_unlock_irqrestore+0x4b/0x51 > [ 6.918484] [<ffffffff8139805f>] ? schedule+0x6b/0x7c > [ 6.918486] [<ffffffff81398798>] ? rt_spin_lock_slowlock+0xe7/0x1b3 > [ 6.918504] [<ffffffffa07bb420>] ? VBoxHost_RTSpinlockAcquire+0x1c/0x38 > [vboxdrv] VirtualBox tried to acquire a spinlock during an IPI. On a realtime kernel this is not allowed; VirtualBox must use a 'raw spinlock' here. (That also works on a mainline kernel, where it is the same as a regular spinlock.) > [ 6.918518] [<ffffffffa07af396>] ? supdrvGipMpEventOnline+0x7d/0x194 > [vboxdrv] > [ 6.918522] [<ffffffff81083922>] ? > generic_smp_call_function_single_interrupt+0x10a/0x146 > [ 6.918526] [<ffffffff810278be>] ? smp_call_function_interrupt+0xf/0x1c > [ 6.918529] [<ffffffff8139e55d>] ? call_function_interrupt+0x6d/0x80 > [ 6.918533] <EOI> [<ffffffff8111d0a1>] ? vfs_rename+0x1c8/0x35d [...] -- Ben Hutchings Computers are not intelligent. They only think they are.
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