X-Git-Url: https://iankelling.org/git/?p=evhz;a=blobdiff_plain;f=README.md;h=780a9adb2c65699d57173c7c931ef0d3ea1c612a;hp=40dbeeb4bc9406889ad018b3f14506e5ae4c6eaf;hb=5f6cab7491cf38e458bd5a01fb6ca54940db01e1;hpb=0f170f03acdbf0ee30717347ddb621ac69bc2a3f

diff --git a/README.md b/README.md
index 40dbeeb..780a9ad 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,11 @@ The program is just evhz.c. Compile and run:
 
 Nonverbose mode = -n
 
+There exists a kernel bug for USB ports which use the uhci_hcd driver,
+where a 1000 hz mouse will only read at 500hz, causing jittering:
+https://bugzilla.kernel.org/show_bug.cgi?id=60586. A workaround is to
+use USB ports that use the ehci-pci driver.
+
 Maintainer: Ian Kelling <ian@iankelling.org>
 
 Bugs, patches, requests, feedback are welcome.