Messages in this thread | | | Date | Mon, 23 Aug 2010 11:45:13 -0700 | From | "H. Peter Anvin" <> | Subject | Re: Linux 2.6.35.3 |
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On 08/23/2010 11:04 AM, Michael Tokarev wrote: > 21.08.2010 07:44, H. Peter Anvin wrote: >> On 08/20/2010 08:40 PM, Mark Stanovich wrote: >>> After updating to the 2.6.35.3 stable release, my machine was rebooting >>> automatically during the first few seconds of boot. >>> >>> I bisected to the first bad commit of >>> >>> commit 568132624386f53e87575195d868db >>> 9afb2e9316 >>> Author: H. Peter Anvin <hpa@zytor.com <mailto:hpa@zytor.com>> >>> Date: Tue Jul 27 17:01:49 2010 -0700 >>> >>> x86: Add memory modify constraints to xchg() and cmpxchg() > > This commit also present in 2.6.32.stable (since 2.6.32.19). > Should it be fixed there as well? >
Yes, in particular 69309a05907546fb686b251d4ab041c26afe1e1d should be applied to all instances of this commit.
As far as we can tell it's a gcc bug, but it hasn't been thoroughly root-caused to that yet.
-hpa
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