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| author | Francis Rowe <info@gluglug.org.uk> | 2015-06-28 16:20:55 (EDT) |
|---|---|---|
| committer | Francis Rowe <info@gluglug.org.uk> | 2015-06-28 16:20:55 (EDT) |
| commit | 7c82fca26642d4c43f84beb6c4f6ea7ce7b01d39 (patch) | |
| tree | db901cd9c9bfebaebc8adfb526d67e1641ae51b2 /docs/hcl/r400.html | |
| parent | 6f6d0068196405b505bbde5dc0ab8645856d7f52 (diff) | |
| download | libreboot-7c82fca26642d4c43f84beb6c4f6ea7ce7b01d39.zip libreboot-7c82fca26642d4c43f84beb6c4f6ea7ce7b01d39.tar.gz libreboot-7c82fca26642d4c43f84beb6c4f6ea7ce7b01d39.tar.bz2 | |
docs/hcl/{x200,t400,t500,r400}.html: Tidy up
Diffstat (limited to 'docs/hcl/r400.html')
| -rw-r--r-- | docs/hcl/r400.html | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/docs/hcl/r400.html b/docs/hcl/r400.html index 1c8cca7..d1d103c 100644 --- a/docs/hcl/r400.html +++ b/docs/hcl/r400.html @@ -45,6 +45,30 @@ <div class="section"> + <h2 id="compatibility_noblobs">Compatibility (without blobs)</h2> + + <div class="subsection"> + <h3 id="hwvirt">Hardware virtualization (vt-x)</h3> + <p> + The R400, when run without CPU microcode updates in coreboot, currently kernel panics + if running QEMU with vt-x enabled on 2 cores for the guest. With a single core enabled + for the guest, the guest panics (but the host is fine). Working around this in QEMU + might be possible; if not, software virtualization should work fine (it's just slower). + </p> + <p> + On GM45 hardware (with libreboot), make sure that the <i>kvm</i> and <i>kvm_intel</i> kernel modules + are not loaded, when using QEMU. + </p> + <p> + The following errata datasheet from Intel might help with investigation: + <a href="http://download.intel.com/design/mobile/specupdt/320121.pdf">http://download.intel.com/design/mobile/specupdt/320121.pdf</a> + </p> + </div> + + </div> + + <div class="section"> + <p> The R400 is almost identical to the X200, code-wise. See <a href="x200.html">x200.html</a>. </p> |