Bug 16354

Summary: 2.6.35-rc4 Graphics performance issue and freeing invalid memtype messages on boot.
Product: Platform Specific/Hardware Reporter: Maciej Rutecki (maciej.rutecki)
Component: x86-64Assignee: platform_x86_64 (platform_x86_64)
Status: CLOSED CODE_FIX    
Severity: normal CC: andrew.hendry, maciej.rutecki, rjw
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 2.6.35-rc4 Tree: Mainline
Regression: Yes
Bug Depends on:    
Bug Blocks: 16055    

Description Maciej Rutecki 2010-07-08 15:54:37 UTC
Subject    : 2.6.35-rc4 Graphics performance issue and freeing invalid memtype messages on boot.
Submitter  : Andrew Hendry <andrew.hendry@gmail.com>
Date       : 2010-07-06 12:22
Message-ID : 1278418937.1949.22.camel@jaunty
References : http://marc.info/?l=linux-kernel&m=127841896332522&w=2

This entry is being used for tracking a regression from 2.6.34.  Please don't
close it until the problem is fixed in the mainline.
Comment 1 andrew.hendry 2010-07-08 23:16:39 UTC
Graphics hardware is NV250 type card.

Some quick testing last night showed this patch fixed both the boot messages and graphics performance.
[tip:x86/urgent] rbtree: Undo augmented trees performance damage and regression
http://marc.info/?l=linux-kernel&m=127833440902862&w=2
Comment 2 Rafael J. Wysocki 2010-07-08 23:39:32 UTC
Fixed by commit b945d6b2554d550fe95caadc61e521c0ad71fb9c .