Add note that a driver must not be loaded if the card is off

13 years ago · 5e297c27ad
parent 358ce15bc1
commit 5e297c27ad
1 changed files with 4 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -64,6 +64,10 @@ unload the driver,
    $ dmesg |tail -1
    bbswitch: device 0000:01:00.0 is in use by driver 'nouveau', refusing OFF

+Do **not** attempt to load a driver while the card is off or the card won't be
+usable until the PCI configuration space has been recovered (for example, after
+writing the contents manually or rebooting).
+
 Reporting bugs
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