From: "H. Peter Anvin" <hpa@zytor.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Kasatkin, Dmitry" <dmitry.kasatkin@intel.com>,
device-mapper development <dm-devel@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
"H. Peter Anvin" <hpa@linux.intel.com>
Subject: Re: dmsetup fails on latest kernel
Date: Thu, 19 Jan 2012 12:30:12 -0800 [thread overview]
Message-ID: <4F187D54.602@zytor.com> (raw)
In-Reply-To: <CA+55aFxNVaJ8AYXka8khUnkzr=tND9+SMpQ9CU0KFDbvxAJY0Q@mail.gmail.com>
On 01/19/2012 12:17 PM, Linus Torvalds wrote:
> On Thu, Jan 19, 2012 at 12:13 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>> Could you please send me:
>>
>> a) your full strace;
>> b) arch/x86/kernel/syscall_32.o from your build?
>
> Btw, the strace before-and-after (working vs nonworking) would
> probably be useful. They aren't easily comparable (all the random
> pointers change depending on allocations etc), but some scripting and
> editing out pointer values might make the difference be obvious.
>
> Linus
Possible. I have actually reproduced it and reduced it to a small test
case already, so I hopefully will have it nailed down soon.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2012-01-19 20:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-19 13:02 Kasatkin, Dmitry
2012-01-19 15:56 ` Kasatkin, Dmitry
2012-01-19 16:10 ` Kasatkin, Dmitry
2012-01-19 18:06 ` [dm-devel] " Bryn M. Reeves
2012-01-19 19:58 ` H. Peter Anvin
2012-01-19 19:05 ` Linus Torvalds
2012-01-19 19:58 ` H. Peter Anvin
2012-01-20 12:52 ` Kasatkin, Dmitry
2012-01-19 20:13 ` H. Peter Anvin
2012-01-19 20:17 ` Linus Torvalds
2012-01-19 20:30 ` H. Peter Anvin [this message]
2012-01-19 21:16 ` H. Peter Anvin
2012-01-20 13:35 ` Kasatkin, Dmitry
2012-01-20 14:45 ` H. Peter Anvin
2012-01-19 21:40 ` [tip:x86/urgent] x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits tip-bot for H. Peter Anvin
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