Bug 33432

Summary: WARNING at libata-core.c:5015 in 2.6.39-rc3-wl+, then lockup.
Product: IO/Storage Reporter: Maciej Rutecki (maciej.rutecki)
Component: Serial ATAAssignee: Jeff Garzik (jgarzik)
Status: CLOSED CODE_FIX    
Severity: normal CC: greearb, maciej.rutecki, rjw
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 2.6.39-rc3 Tree: Mainline
Regression: Yes
Bug Depends on:    
Bug Blocks: 32012    

Description Maciej Rutecki 2011-04-17 17:37:13 UTC
Subject    : WARNING at libata-core.c:5015 in 2.6.39-rc3-wl+, then lockup.
Submitter  : Ben Greear <greearb@candelatech.com>
Date       : 2011-04-13 16:29
Message-ID : 4DA5CF81.4070908@candelatech.com
References : http://marc.info/?l=linux-kernel&m=130271220809443&w=2

This entry is being used for tracking a regression from 2.6.38. Please don't
close it until the problem is fixed in the mainline.
Comment 1 Ben Greear 2011-05-04 23:30:43 UTC
Root cause appears to be the slub cmpxcg issue recently fixed in
2.6.39-rc6+.  I was compiling my kernel for 586, so was susceptible,
even though processor was much more recent (Atom).

Please feel free to close this bug.