<div dir="ltr">Hi-Angel:<div><br></div><div>> <span style="font-size:12.8px">Have you rebuild initramfs after blacklisting by the way?</span></div><div><br></div><div>So...I did what that thread (and the thread that it points to within that thread) says to do.</div><div><br></div><div>Created <font face="monospace, monospace">blacklist.conf</font> and then put in there:</div><div><br></div><div><font face="monospace, monospace">blacklist mgag200</font></div><div><br></div><div>and then I ran <font face="monospace, monospace">dracut --regenerate-all --force</font> and rebooted (per the thread-inside-that-thread's instructions).</div><div><br></div><div>(like I said, I'm a grossly underqualified sysadmin so I just do what "I am told" from those sources.)</div><div><br></div><div><br></div><div>Here is the output of lsmod:</div><div><br></div><div><div><font face="monospace, monospace">Module Size Used by</font></div><div><font face="monospace, monospace">ebtable_filter 12827 0</font></div><div><font face="monospace, monospace">ebtables 35009 1 ebtable_filter</font></div><div><font face="monospace, monospace">ip6table_filter 12815 0</font></div><div><font face="monospace, monospace">ip6_tables 27025 1 ip6table_filter</font></div><div><font face="monospace, monospace">iptable_filter 12810 0</font></div><div><font face="monospace, monospace">ip_tables 27239 1 iptable_filter</font></div><div><font face="monospace, monospace">x_tables 34059 5 ip6table_filter,ip_tables,iptable_filter,ebtables,ip6_tables</font></div><div><font face="monospace, monospace">af_packet 39847 0</font></div><div><font face="monospace, monospace">fuse 95758 3</font></div><div><font face="monospace, monospace">iscsi_ibft 12862 0</font></div><div><font face="monospace, monospace">iscsi_boot_sysfs 16051 1 iscsi_ibft</font></div><div><font face="monospace, monospace">raw 13091 0</font></div><div><font face="monospace, monospace">msr 12865 0</font></div><div><font face="monospace, monospace">joydev 17344 0</font></div><div><font face="monospace, monospace">iTCO_wdt 13480 0</font></div><div><font face="monospace, monospace">iTCO_vendor_support 13718 1 iTCO_wdt</font></div><div><font face="monospace, monospace">dm_mod 110780 0</font></div><div><font face="monospace, monospace">intel_rapl 18783 0</font></div><div><font face="monospace, monospace">intel_powerclamp 14690 0</font></div><div><font face="monospace, monospace">coretemp 13435 0</font></div><div><font face="monospace, monospace">kvm_intel 151399 0</font></div><div><font face="monospace, monospace">kvm 496652 1 kvm_intel</font></div><div><font face="monospace, monospace">crct10dif_pclmul 14307 0</font></div><div><font face="monospace, monospace">crc32_pclmul 13133 0</font></div><div><font face="monospace, monospace">crc32c_intel 22094 0</font></div><div><font face="monospace, monospace">pcspkr 12718 0</font></div><div><font face="monospace, monospace">sb_edac 26894 0</font></div><div><font face="monospace, monospace">edac_core 66438 1 sb_edac</font></div><div><font face="monospace, monospace">igb 204492 0</font></div><div><font face="monospace, monospace">ptp 18933 1 igb</font></div><div><font face="monospace, monospace">i2c_i801 22557 0</font></div><div><font face="monospace, monospace">pps_core 19333 1 ptp</font></div><div><font face="monospace, monospace">ipmi_si 57482 0</font></div><div><font face="monospace, monospace">i2c_algo_bit 13413 1 igb</font></div><div><font face="monospace, monospace">ipmi_msghandler 49676 1 ipmi_si</font></div><div><font face="monospace, monospace">mei_me 18355 0</font></div><div><font face="monospace, monospace">wmi 19193 0</font></div><div><font face="monospace, monospace">mei 86782 1 mei_me</font></div><div><font face="monospace, monospace">lpc_ich 21093 0</font></div><div><font face="monospace, monospace">ioatdma 71777 0</font></div><div><font face="monospace, monospace">mfd_core 13435 1 lpc_ich</font></div><div><font face="monospace, monospace">shpchp 32951 0</font></div><div><font face="monospace, monospace">dca 15130 2 igb,ioatdma</font></div><div><font face="monospace, monospace">processor 44678 0</font></div><div><font face="monospace, monospace">button 13971 0</font></div><div><font face="monospace, monospace">hid_generic 12559 0</font></div><div><font face="monospace, monospace">usbhid 52573 0</font></div><div><font face="monospace, monospace">btrfs 1022893 2</font></div><div><font face="monospace, monospace">xor 21411 1 btrfs</font></div><div><font face="monospace, monospace">raid6_pq 101908 1 btrfs</font></div><div><font face="monospace, monospace">sd_mod 50160 4</font></div><div><font face="monospace, monospace">ghash_clmulni_intel 13230 0</font></div><div><font face="monospace, monospace">aesni_intel 52860 0</font></div><div><font face="monospace, monospace">isci 149868 0</font></div><div><font face="monospace, monospace">aes_x86_64 17131 1 aesni_intel</font></div><div><font face="monospace, monospace">glue_helper 13990 1 aesni_intel</font></div><div><font face="monospace, monospace">lrw 13286 1 aesni_intel</font></div><div><font face="monospace, monospace">gf128mul 14951 1 lrw</font></div><div><font face="monospace, monospace">ablk_helper 13597 1 aesni_intel</font></div><div><font face="monospace, monospace">cryptd 16263 3 ghash_clmulni_intel,aesni_intel,ablk_helper</font></div><div><font face="monospace, monospace">ehci_pci 12914 0</font></div><div><font face="monospace, monospace">libsas 87336 1 isci</font></div><div><font face="monospace, monospace">ehci_hcd 79237 1 ehci_pci</font></div><div><font face="monospace, monospace">ahci 29929 2</font></div><div><font face="monospace, monospace">scsi_transport_sas 45130 2 isci,libsas</font></div><div><font face="monospace, monospace">libahci 36105 1 ahci</font></div><div><font face="monospace, monospace">usbcore 254961 3 ehci_hcd,ehci_pci,usbhid</font></div><div><font face="monospace, monospace">libata 244519 3 ahci,libahci,libsas</font></div><div><font face="monospace, monospace">usb_common 13057 1 usbcore</font></div><div><font face="monospace, monospace">sg 40629 0</font></div><div><font face="monospace, monospace">scsi_mod 244588 6 sg,isci,scsi_transport_sas,libata,libsas,sd_mod</font></div><div><font face="monospace, monospace">autofs4 42930 2</font></div></div><div><br></div><div>Out of that list, I don't see mgag200 there, but then again, I also don't see any module that I recognize as being a "video driver" either.</div><div><br></div><div>I hope that helps answer your questions(? 0.o?)</div><div><br></div><div>Thanks.</div><div><br></div><div>Sincerely,</div><div>Ewen</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Dec 7, 2017 at 1:46 AM, Hi-Angel <span dir="ltr"><<a href="mailto:hiangel999@gmail.com" target="_blank">hiangel999@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Don't worry, I don't believe in Laplace's demon, and hence I believe<br> everybody don't know something.<br> <br> Tbh I'm not sure if the output of lspci implies the module is still<br> loaded, although I would assume it still is. Either way, to be sure<br> you can use `lsmod` command, it lists all currently loaded modules.<br> Have you rebuild initramfs after blacklisting by the way?<br> <div class="HOEnZb"><div class="h5"><br> On 7 December 2017 at 08:32, Ewen Chan <<a href="mailto:chan.ewen@gmail.com">chan.ewen@gmail.com</a>> wrote:<br> > Stupid question though (again, I'm a grossly underqualified sysadmin).<br> ><br> > How can I tell if the blacklisting worked correctly?<br> ><br> > When I type in:<br> ><br> > # lspci -v | more<br> ><br> > this is what it outputs for the VGA section:<br> ><br> > 08:01.0 VGA compatible controller: Matrox Electronics Systems Ltd. MGA<br> > G200eW WPCM450 (rev 0a) (prog-if 00 [VGA controller])<br> > Subsystem: Super Micro Computer Inc Device 062f<br> > Flags: bus master, medium devsel, latency 64, IRQ 11<br> > Memory at dd000000 (32-bit, prefetchable) [size=16M]<br> > Memory at df800000 (32-bit, non-prefetchable) [size=16K]<br> > Memory at df000000 (32-bit, non-prefetchable) [size=8M]<br> > Expansion ROM at <unassigned> [disabled]<br> > Capabilities: [dc] Power Management version 1<br> > Kernel modules: mgag200<br> ><br> > Is there another way to confirm that the blacklisting did what it was<br> > supposed to?<br> ><br> > Thanks.<br> ><br> > On Wed, Dec 6, 2017 at 11:39 PM, Hi-Angel <<a href="mailto:hiangel999@gmail.com">hiangel999@gmail.com</a>> wrote:<br> >><br> >> On 7 December 2017 at 06:19, Hi-Angel <<a href="mailto:hiangel999@gmail.com">hiangel999@gmail.com</a>> wrote:<br> >> > On 7 December 2017 at 06:05, Ewen Chan <<a href="mailto:chan.ewen@gmail.com">chan.ewen@gmail.com</a>> wrote:<br> >> >> Hi-Angel:<br> >> >><br> >> >> Thank you for that!!!<br> >> >><br> >> >> Two questions:<br> >> >><br> >> >> 1) Will the commands from the CentOS distro work with SuSE?<br> >> ><br> >> > Well, the linked post doesn't show how to blacklist because it was<br> >> > created after the fact (author forgot to re-build initramfs). For an<br> >> > example of doing that you can refer e.g. this<br> >> > <a href="https://askubuntu.com/a/110343/266507" rel="noreferrer" target="_blank">https://askubuntu.com/a/<wbr>110343/266507</a> Except I am not sure how to<br> >> > rebuild initramfs on SuSe — on Archlinux I'm using it is `sudo<br> >> > mkinitcpio -p linux`.<br> >> ><br> >> >> 2) Do you think there will be problems using the VESA driver instead of<br> >> >> the<br> >> >> mgag200 driver? (i.e. the GUI/remote X/VNC would exhibit unexpected<br> >> >> behaviours?<br> >> ><br> >> > Nothing that I know of. You'd obviously get a lower graphics<br> >> > performance, but otherwise I think it should be fine.<br> >><br> >> You know, btw, another silly idea: if blacklisting the driver will<br> >> help, but you actually care of graphics performance — you could try<br> >> enabling it back, and then installing modesetting driver, and forcing<br> >> Xorg to use it through a xorg.conf. Per my understanding the leak<br> >> could specifically be in Matrox DDX driver — if this is the case, by<br> >> replacing it with modesetting DDX you'd keep the performance and get<br> >> rid of leaks. "modesetting" is a vendor-neutral DDX driver which is<br> >> implemented on top of whatever driver provides OpenGL functional.<br> >><br> >> It should be noted though that if leaks are in the matrox's provision<br> >> of OpenGL, it won't help.<br> ><br> ><br> </div></div></blockquote></div><br></div>