Hello everybody, First of all, I don't know if this is the most appropriate place to report this. If not, I apologize in advance. But I thought it would be better to discuss this in some Debian mailing list instead of just reporting a bug.
I'm running Debian Testing and, since upgrading from kernel 3.2.35-2 to kernel 3.2.39-2 a few days ago, I've been having some soft lockup issues which bring my machine to an almost complete freeze (I'm still able to access it through ssh). The kind of error messages I'm getting (extracted from dmesg) are shown at the end of this email. If this is in fact a good place to discuss this, please let me know what kind of information I need to provide in order to help pinpoint what the problem is. I can say, however, that to me the problem seems to be related to Virtualbox: every time the problem happened was a little after launching Virtualbox. Thank you, Adriano Output of uname -a: Linux arsenal 3.2.0-4-amd64 #1 SMP Debian 3.2.39-2 x86_64 GNU/Linux Dmesg messages: [518178.318133] BUG: soft lockup - CPU#4 stuck for 23s! [VirtualBox:22509] [518178.318135] Modules linked in: cpuid nls_cp437 vfat fat parport_pc ppdev lp parport pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) nls_utf8 hfsplus loop firewire_sbp2 btusb bluetooth uvcvideo videodev v4l2_compat_ioctl32 media arc4 snd_hda_codec_hdmi radeon snd_hda_codec_cirrus ath9k ath9k_common snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss ttm drm_kms_helper drm power_supply coretemp applesmc i2c_algo_bit i2c_i801 crc32c_intel ath9k_hw ghash_clmulni_intel iTCO_wdt i2c_core snd_pcm aesni_intel iTCO_vendor_support ath mac80211 cfg80211 rfkill aes_x86_64 acpi_cpufreq mperf video evdev aes_generic pcspkr input_polldev apple_bl button processor thermal_sys cryptd snd_page_alloc snd_timer snd soundcore ext4 crc16 jbd2 mbcache microcode hid_apple usbhid hid sg sr_mod sd_mod cdrom crc_t10dif ata_generic usb_storage uhci_hcd ata_piix tg3 libphy libata scsi_mod firewire_ohci ehci_hcd firewire_core usbcore crc_itu_t usb_common [last unloaded: scsi_wait_scan] [518178.318189] CPU 4 [518178.318190] Modules linked in: cpuid nls_cp437 vfat fat parport_pc ppdev lp parport pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) nls_utf8 hfsplus loop firewire_sbp2 btusb bluetooth uvcvideo videodev v4l2_compat_ioctl32 media arc4 snd_hda_codec_hdmi radeon snd_hda_codec_cirrus ath9k ath9k_common snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss ttm drm_kms_helper drm power_supply coretemp applesmc i2c_algo_bit i2c_i801 crc32c_intel ath9k_hw ghash_clmulni_intel iTCO_wdt i2c_core snd_pcm aesni_intel iTCO_vendor_support ath mac80211 cfg80211 rfkill aes_x86_64 acpi_cpufreq mperf video evdev aes_generic pcspkr input_polldev apple_bl button processor thermal_sys cryptd snd_page_alloc snd_timer snd soundcore ext4 crc16 jbd2 mbcache microcode hid_apple usbhid hid sg sr_mod sd_mod cdrom crc_t10dif ata_generic usb_storage uhci_hcd ata_piix tg3 libphy libata scsi_mod firewire_ohci ehci_hcd firewire_core usbcore crc_itu_t usb_common [last unloaded: scsi_wait_scan] [518178.318242] [518178.318244] Pid: 22509, comm: VirtualBox Tainted: G O 3.2.0-4-amd64 #1 Debian 3.2.39-2 Apple Inc. iMac12,1/Mac-942B5BF58194151B [518178.318247] RIP: 0010:[<ffffffff811b4322>] [<ffffffff811b4322>] __bitmap_empty+0xa/0x52 [518178.318253] RSP: 0018:ffff8803629bfdd8 EFLAGS: 00000246 [518178.318254] RAX: 0000000000000008 RBX: 0000000000000000 RCX: 0000000000000040 [518178.318257] RDX: 0000000000000000 RSI: 0000000000000200 RDI: ffffffff81761718 [518178.318259] RBP: ffffffff81761718 R08: 0000000000000000 R09: ffff880056d57220 [518178.318261] R10: ffff880056d57220 R11: ffff880056d571e8 R12: 00007f7560679000 [518178.318263] R13: 0000000000000246 R14: ffff880056d57220 R15: 0000000000000000 [518178.318265] FS: 00007f757a9ec700(0000) GS:ffff88046fd00000(0000) knlGS:0000000000000000 [518178.318268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [518178.318269] CR2: 00007f7560698718 CR3: 000000037c1aa000 CR4: 00000000000426e0 [518178.318272] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [518178.318274] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [518178.318276] Process VirtualBox (pid: 22509, threadinfo ffff8803629be000, task ffff8800558e0f20) [518178.318278] Stack: [518178.318279] ffffffff810318d1 0000000000000001 ffff880056d571e8 00007f7560679000 [518178.318283] 00007f7560679000 00007f7560679000 00007f7560679000 00007f7560679000 [518178.318287] ffffffff81031701 ffffffff810d697d 0000000000000000 00000007f7560678 [518178.318291] Call Trace: [518178.318295] [<ffffffff810318d1>] ? native_flush_tlb_others+0xaf/0xe5 [518178.318298] [<ffffffff81031701>] ? flush_tlb_others+0x5/0x8 [518178.318302] [<ffffffff810d697d>] ? mprotect_fixup+0x4e9/0x6a7 [518178.318305] [<ffffffff81350927>] ? do_page_fault+0x2fc/0x337 [518178.318309] [<ffffffff810d6cca>] ? sys_mprotect+0x18f/0x1fd [518178.318313] [<ffffffff81352952>] ? system_call_fastpath+0x16/0x1b [518178.318314] Code: 8d 44 24 20 4c 89 4c 24 48 c7 44 24 08 10 00 00 00 48 89 44 24 18 e8 5a ff ff ff 48 83 c4 58 c3 90 89 f0 b9 40 00 00 00 99 f7 f9 <31> d2 eb 0b 48 ff c2 48 83 7c d7 f8 00 75 36 39 c2 7c f1 40 f6 [518178.318346] Call Trace: [518178.318348] [<ffffffff810318d1>] ? native_flush_tlb_others+0xaf/0xe5 [518178.318351] [<ffffffff81031701>] ? flush_tlb_others+0x5/0x8 [518178.318354] [<ffffffff810d697d>] ? mprotect_fixup+0x4e9/0x6a7 [518178.318358] [<ffffffff81350927>] ? do_page_fault+0x2fc/0x337 [518178.318361] [<ffffffff810d6cca>] ? sys_mprotect+0x18f/0x1fd [518178.318364] [<ffffffff81352952>] ? system_call_fastpath+0x16/0x1b -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". 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