On Mon, Aug 19, 2013 at 09:00:46AM +0200, Joakim Tjernlund wrote: > > -----Greg KH <gre...@linuxfoundation.org> wrote: ----- > > > > On Sun, Aug 18, 2013 at 04:32:23PM +0200, Joakim Tjernlund wrote: > The > > last week I have had 4 > > lockups which required power on/off. > Before getting there I noticed that > > the machine was > > getting slow. > > top reported high load(5-10) but there was no process > > consuming CPU except > > > for migration/0 which were spicing 100% on and off. > Ping times went up > > with a factor of 40 > > too. > > Eventually I got a few entries in the kernel log: > Aug 16 > > 12:40:51 gentoo-jocke > > kernel: Modules linked in: nfnetlink_log nfnetlink bluetooth rfkill sg > > isofs ipt_MASQUERADE > > iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 > > xt_conntrack nf_conntrack > > ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp ip6table_filter ip6_tables > > iptable_filter > > ip_tables ebtables x_tables autofs4 nfsd dm_crypt vboxnetadp(O) > > vboxnetflt(O) vboxdrv(O) usbhid > > dm_mod kvm_intel kvm snd_hda_codec_hdmi aesni_intel ablk_helper cryptd xts > > lrw gf128mul > > snd_hda_codec_realtek ehci_pci ehci_hcd usbcore snd_hda_intel snd_hda_codec > > snd_hwdep snd_pcm > > snd_page_alloc snd_timer snd microcode usb_common radeon e1000e ttm > > firmware_class ptp pps_core > > pcspkr > Aug 16 12:40:51 gentoo-jocke kernel: CPU 0 > Aug 16 12:40:51 > > gentoo-jocke kernel: Pid: > > 2421, comm: X Tainted: G O 3.9.11 #1 Hewlett-Packard HP Compaq > > 8200 Elite CMT PC/1494 > > The virtual box drivers are a huge mess. Seriously, I really don't even > > know how the things are > > able to work at all (virtual table pointers from userspace through to the > > kernel?) I spent a > > bunch of time to try to clean them up and get them into mergable state, but > > without the ability > > to also fix up the userspace side, that ended up being a dead-end. Can you > > duplicate the problem > > without these modules loaded? I'd blame them for any problems you might > > ever have, given how > > crazy they are. thanks, greg k-h > > ok you don't trust them even if I haven't used VirtualBox between failures?
They are using C++ within the kernel, and passing C++ objects from user to kernelspace. Do you trust that? :) greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
