From: Felipe Balbi <balbi@ti.com>
To: Felipe Balbi <balbi@ti.com>
Cc: Rik van Riel <riel@redhat.com>,
Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
Tony Lindgren <tony@atomide.com>,
Linux USB Mailing List <linux-usb@vger.kernel.org>,
josh@joshtriplett.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Rabin Vincent <rabin@rab.in>,
Alan Stern <stern@rowland.harvard.edu>,
Johannes Weiner <hannes@cmpxchg.org>,
Sasha Levin <sasha.levin@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux ARM Kernel Mailing List
<linux-arm-kernel@lists.infradead.org>
Subject: Re: RCU bug with v3.17-rc3 ?
Date: Thu, 9 Oct 2014 16:07:15 -0500 [thread overview]
Message-ID: <20141009210715.GH25729@saruman> (raw)
In-Reply-To: <20141009204637.GE25729@saruman>
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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
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WARNING: multiple messages have this Message-ID (diff)
From: balbi@ti.com (Felipe Balbi)
To: linux-arm-kernel@lists.infradead.org
Subject: RCU bug with v3.17-rc3 ?
Date: Thu, 9 Oct 2014 16:07:15 -0500 [thread overview]
Message-ID: <20141009210715.GH25729@saruman> (raw)
In-Reply-To: <20141009204637.GE25729@saruman>
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
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WARNING: multiple messages have this Message-ID (diff)
From: Felipe Balbi <balbi@ti.com>
To: Felipe Balbi <balbi@ti.com>
Cc: Rabin Vincent <rabin@rab.in>,
Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Sasha Levin <sasha.levin@oracle.com>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Linux USB Mailing List <linux-usb@vger.kernel.org>,
Alan Stern <stern@rowland.harvard.edu>, <josh@joshtriplett.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Tony Lindgren <tony@atomide.com>,
Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
Linux ARM Kernel Mailing List
<linux-arm-kernel@lists.infradead.org>,
Rik van Riel <riel@redhat.com>
Subject: Re: RCU bug with v3.17-rc3 ?
Date: Thu, 9 Oct 2014 16:07:15 -0500 [thread overview]
Message-ID: <20141009210715.GH25729@saruman> (raw)
In-Reply-To: <20141009204637.GE25729@saruman>
[-- Attachment #1: Type: text/plain, Size: 1060 bytes --]
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
[-- Attachment #2: Digital signature --]
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next prev parent reply other threads:[~2014-10-09 21:07 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-04 18:40 RCU bug with v3.17-rc3 ? Felipe Balbi
2014-09-04 19:16 ` Paul E. McKenney
2014-09-04 19:25 ` Felipe Balbi
2014-09-04 20:04 ` Felipe Balbi
2014-09-05 21:32 ` Paul E. McKenney
2014-10-08 17:13 ` Felipe Balbi
2014-10-08 17:13 ` Felipe Balbi
2014-10-08 17:13 ` Felipe Balbi
2014-10-08 17:57 ` Felipe Balbi
2014-10-08 17:57 ` Felipe Balbi
2014-10-08 17:57 ` Felipe Balbi
2014-10-08 21:29 ` Felipe Balbi
2014-10-08 21:29 ` Felipe Balbi
2014-10-08 21:29 ` Felipe Balbi
2014-10-09 16:01 ` Johannes Weiner
2014-10-09 16:01 ` Johannes Weiner
[not found] ` <20141009160138.GA2396-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2014-10-09 16:26 ` Felipe Balbi
2014-10-09 16:26 ` Felipe Balbi
2014-10-09 16:26 ` Felipe Balbi
2014-10-09 20:35 ` Felipe Balbi
2014-10-09 20:35 ` Felipe Balbi
2014-10-09 20:35 ` Felipe Balbi
2014-10-09 20:41 ` Rabin Vincent
2014-10-09 20:41 ` Rabin Vincent
2014-10-09 20:46 ` Felipe Balbi
2014-10-09 20:46 ` Felipe Balbi
2014-10-09 20:46 ` Felipe Balbi
2014-10-09 21:07 ` Felipe Balbi [this message]
2014-10-09 21:07 ` Felipe Balbi
2014-10-09 21:07 ` Felipe Balbi
2014-10-10 13:57 ` Felipe Balbi
2014-10-10 13:57 ` Felipe Balbi
2014-10-10 13:57 ` Felipe Balbi
2014-10-10 16:25 ` Russell King - ARM Linux
2014-10-10 16:25 ` Russell King - ARM Linux
[not found] ` <20141010162531.GL12379-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2014-10-11 1:44 ` Nathan Lynch
2014-10-11 1:44 ` Nathan Lynch
2014-10-11 1:44 ` Nathan Lynch
2014-10-11 2:40 ` Peter Hurley
2014-10-11 2:40 ` Peter Hurley
2014-10-11 3:54 ` Peter Chen
2014-10-11 3:54 ` Peter Chen
2014-10-11 3:54 ` Peter Chen
2014-10-11 14:16 ` Russell King - ARM Linux
2014-10-11 14:16 ` Russell King - ARM Linux
2014-10-11 14:16 ` Russell King - ARM Linux
2014-10-11 14:51 ` Otavio Salvador
2014-10-11 14:51 ` Otavio Salvador
2014-10-11 18:15 ` Peter Hurley
2014-10-11 18:15 ` Peter Hurley
[not found] ` <54388B81.5020306-nmGgyN9QBj3QT0dZR+AlfA@public.gmane.org>
2014-10-11 14:14 ` Russell King - ARM Linux
2014-10-11 14:14 ` Russell King - ARM Linux
2014-10-11 14:14 ` Russell King - ARM Linux
2014-10-11 19:27 ` Nathan Lynch
2014-10-11 19:27 ` Nathan Lynch
2014-10-11 19:27 ` Nathan Lynch
2014-10-13 9:11 ` David Laight
2014-10-13 9:11 ` David Laight
2014-10-13 11:43 ` Russell King - ARM Linux
2014-10-13 11:43 ` Russell King - ARM Linux
2014-10-14 2:06 ` Greg KH
2014-10-14 2:06 ` Greg KH
2014-10-14 10:27 ` Peter Hurley
2014-10-14 10:27 ` Peter Hurley
[not found] ` <20141014020640.GB25433-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2014-10-15 21:23 ` Russell King - ARM Linux
2014-10-15 21:23 ` Russell King - ARM Linux
2014-10-15 21:23 ` Russell King - ARM Linux
[not found] ` <20141015212310.GP12379-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2014-10-15 21:25 ` Russell King - ARM Linux
2014-10-15 21:25 ` Russell King - ARM Linux
2014-10-15 21:25 ` Russell King - ARM Linux
2014-10-19 9:54 ` Russell King - ARM Linux
2014-10-19 9:54 ` Russell King - ARM Linux
2014-10-19 15:28 ` Felipe Balbi
2014-10-19 15:28 ` Felipe Balbi
2014-10-19 20:48 ` Olof Johansson
2014-10-19 20:48 ` Olof Johansson
2014-10-19 20:48 ` Olof Johansson
2014-10-09 21:47 ` Aaro Koskinen
2014-10-09 21:47 ` Aaro Koskinen
2014-10-10 16:18 ` Russell King - ARM Linux
2014-10-10 16:18 ` Russell King - ARM Linux
2014-10-10 20:52 ` Aaro Koskinen
2014-10-10 20:52 ` Aaro Koskinen
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