From: Huang Ying <ying.huang@intel.com>
To: Ming Lei <tom.leiming@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>, LKML <linux-kernel@vger.kernel.org>,
LKP ML <lkp@01.org>
Subject: Re: [LKP] [null_blk] f2298c0403b:
Date: Thu, 08 Jan 2015 10:05:01 +0800 [thread overview]
Message-ID: <1420682701.6201.79.camel@intel.com> (raw)
In-Reply-To: <CACVXFVPcRrKR36WpGxjcLUQAqLYbFmM-6uyavgFVA8PaZRFsFQ@mail.gmail.com>
On Thu, 2015-01-08 at 09:52 +0800, Ming Lei wrote:
> On Thu, Jan 8, 2015 at 8:52 AM, Huang Ying <ying.huang@intel.com> wrote:
> > On Wed, 2015-01-07 at 08:24 -0700, Jens Axboe wrote:
> >> On 01/06/2015 07:33 PM, Huang Ying wrote:
> >> > FYI, we noticed the below changes on
> >> >
> >> > commit f2298c0403b0dfcaef637eba0c02c4a06d7a25ab ("null_blk: multi queue aware block test driver")
> >> >
> >> >
> >> > testbox/testcase/testparams: vm-kbuild-yocto-i386/boot/1
> >> >
> >> > 320ae51feed5c2f1 f2298c0403b0dfcaef637eba0c
> >> > ---------------- --------------------------
> >> > fail:runs %reproduction fail:runs
> >> > | | |
> >> > :10 100% 10:10 kmsg.VFS:could_not_find_a_valid_V7_on_nullb1
> >> > :10 100% 10:10 kmsg.VFS:could_not_find_a_valid_V7_on_nullb0
> >> > 1:10 -10% :10 kmsg.vm86_32:could_not_access_userspace_vm86_info
> >> >
> >> > vm-kbuild-yocto-i386: qemu-system-i386 -enable-kvm
> >> > Memory: 320M
> >> >
> >> > [ 1.971241] mtip32xx Version 1.2.6os3
> >> > [ 1.971311] blk-mq: CPU -> queue map
> >> > [ 1.971312] CPU 0 -> Queue 0
> >> > [ 1.971314] CPU 1 -> Queue 0
> >> > [ 1.971628] nullb0: unknown partition table
> >> > [ 1.971748] blk-mq: CPU -> queue map
> >> > [ 1.971749] CPU 0 -> Queue 0
> >> > [ 1.971751] CPU 1 -> Queue 0
> >> > [ 1.972023] nullb1: unknown partition table
> >> > [ 1.972096] null: module loaded
> >> > [ 1.972131] ibmasm: IBM ASM Service Processor Driver version 1.0 loaded
> >> >
> >> > I think this is at least confusing for the end user.
> >>
> >> Sorry, not sure I follow at all. If you're expecting the null block
> >> driver to actually store data, then yes, you are going to have a bad
> >> time. It's a test tool for storage stack development.
> >
> > I understand that null block is just for testing.
> >
> > I just think the message like:
> >
> > [ 1.971628] nullb0: unknown partition table
> >
> > may confuse the end user. They may think there are something wrong.
> > But it is not. Is there any way to suppress this?
>
> It can be logged for any normal block devices which have not be
> partitioned, and users should have understood that, IMO.
Then it is OK. Thanks for explanation.
Best Regards,
Huang, Ying
prev parent reply other threads:[~2015-01-08 2:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-07 2:33 [LKP] [null_blk] f2298c0403b: Huang Ying
2015-01-07 15:24 ` Jens Axboe
2015-01-08 0:52 ` Huang Ying
2015-01-08 1:52 ` Ming Lei
2015-01-08 2:05 ` Huang Ying [this message]
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