From mboxrd@z Thu Jan 1 00:00:00 1970 From: balbi@ti.com (Felipe Balbi) Date: Thu, 9 Oct 2014 16:07:15 -0500 Subject: RCU bug with v3.17-rc3 ? In-Reply-To: <20141009204637.GE25729@saruman> References: <20140904192535.GJ13421@saruman.home> <20140904200403.GL13421@saruman.home> <20140905213216.GD5001@linux.vnet.ibm.com> <20141008171322.GH22688@saruman> <20141008175707.GI22688@saruman> <20141008212938.GP22688@saruman> <20141009160138.GA2396@cmpxchg.org> <20141009162656.GE16002@saruman> <20141009204101.GA25955@debian> <20141009204637.GE25729@saruman> Message-ID: <20141009210715.GH25729@saruman> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Thu, Oct 09, 2014 at 03:46:37PM -0500, Felipe Balbi wrote: > On Thu, Oct 09, 2014 at 10:41:01PM +0200, Rabin Vincent wrote: > > On Thu, Oct 09, 2014 at 11:26:56AM -0500, Felipe Balbi wrote: > > > alright, it's pretty deterministic however. Always on the same test, no > > > matter which USB controller, no matter if backing store is RAM or MMC. > > > > > > Those two undefined instructions on the disassembly caught my attention, > > > perhaps I'm facing a GCC bug ? > > > > The undefined instructions are just ARM's BUG() implementation. > > > > But did you see the question I asked you yesterday in your other thread? > > http://www.spinics.net/lists/arm-kernel/msg368634.html > > hmm, completely missed that, sorry. I'm using 4.8.2, will try something > else. seems to be working fine now, thanks. I'll leave test running overnight just in case. thanks again, and sorry for the noise. PS: I wonder if we should a warning message to the build system if we're building with known broken versions of GCC. -- balbi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: