From: sagig@dev.mellanox.co.il (Sagi Grimberg)
Subject: 4.5-rc iser issues
Date: Mon, 15 Feb 2016 09:45:13 +0200 [thread overview]
Message-ID: <56C18209.7090903@dev.mellanox.co.il> (raw)
In-Reply-To: <CACVXFVOBjT43CkzfG1gRz1A27BQRSJ2qKOZ91oU16ZbzUh7ejQ@mail.gmail.com>
> I can reproduce the issue now, and it is easy to trigger it via your test
> code on scsi device, but a bit difficult to get it on null_blk.
>
> Turns out it is a block core issue, and it is in bio_will_gap() which gets
> the last bvec via 'bi_io_vec[prev->bi_vcnt - 1]' directly. I have posted
> out one patchset for fixing the issue:
>
> http://marc.info/?l=linux-kernel&m=145551975429092&w=2
Thanks Ming!
I'll give it a shot...
WARNING: multiple messages have this Message-ID (diff)
From: Sagi Grimberg <sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: Ming Lei <ming.lei-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
Cc: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Ming Lin-SSI <ming.l-Vzezgt5dB6uUEJcrhfAQsw@public.gmane.org>,
"linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
Subject: Re: 4.5-rc iser issues
Date: Mon, 15 Feb 2016 09:45:13 +0200 [thread overview]
Message-ID: <56C18209.7090903@dev.mellanox.co.il> (raw)
In-Reply-To: <CACVXFVOBjT43CkzfG1gRz1A27BQRSJ2qKOZ91oU16ZbzUh7ejQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
> I can reproduce the issue now, and it is easy to trigger it via your test
> code on scsi device, but a bit difficult to get it on null_blk.
>
> Turns out it is a block core issue, and it is in bio_will_gap() which gets
> the last bvec via 'bi_io_vec[prev->bi_vcnt - 1]' directly. I have posted
> out one patchset for fixing the issue:
>
> http://marc.info/?l=linux-kernel&m=145551975429092&w=2
Thanks Ming!
I'll give it a shot...
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next prev parent reply other threads:[~2016-02-15 7:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-14 7:41 4.5-rc iser issues Christoph Hellwig
[not found] ` <20160214074119.GA24558-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-02-14 9:02 ` Sagi Grimberg
2016-02-14 9:59 ` Sagi Grimberg
2016-02-14 9:59 ` Sagi Grimberg
2016-02-14 11:36 ` Sagi Grimberg
2016-02-14 11:36 ` Sagi Grimberg
2016-02-14 14:02 ` Sagi Grimberg
2016-02-14 14:02 ` Sagi Grimberg
2016-02-14 15:22 ` Christoph Hellwig
2016-02-14 15:22 ` Christoph Hellwig
2016-02-14 16:20 ` Ming Lei
2016-02-14 16:20 ` Ming Lei
2016-02-14 16:29 ` Sagi Grimberg
2016-02-14 16:29 ` Sagi Grimberg
2016-02-14 16:39 ` Ming Lei
2016-02-14 16:39 ` Ming Lei
2016-02-15 7:11 ` Ming Lei
2016-02-15 7:11 ` Ming Lei
2016-02-15 7:45 ` Sagi Grimberg [this message]
2016-02-15 7:45 ` Sagi Grimberg
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