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Date:   Mon, 29 Jan 2018 18:36:06 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Daniel Borkmann <daniel@iogearbox.net>
Cc:     David Woodhouse <dwmw2@infradead.org>,
        Alexei Starovoitov <ast@kernel.org>, davem@davemloft.net,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        kernel-team@fb.com,
        "stable@vger.kernel.org" <stable@vger.kernel.org>,
        "dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>
Subject: Re: [PATCH v3 bpf] bpf: introduce BPF_JIT_ALWAYS_ON config
Message-ID: <20180129173606.GA22840@kroah.com>
References: <20180109180429.1115005-1-ast@kernel.org>
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On Mon, Jan 29, 2018 at 04:36:35PM +0100, Daniel Borkmann wrote:
> On 01/29/2018 12:40 AM, Daniel Borkmann wrote:
> > On 01/28/2018 03:45 PM, Greg KH wrote:
> >> On Wed, Jan 24, 2018 at 11:10:50AM +0100, Daniel Borkmann wrote:
> >>> On 01/24/2018 11:07 AM, David Woodhouse wrote:
> >>>> On Tue, 2018-01-09 at 22:39 +0100, Daniel Borkmann wrote:
> >>>>> On 01/09/2018 07:04 PM, Alexei Starovoitov wrote:
> [...]
> >>>>> Applied to bpf tree, thanks Alexei!
> >>>>
> >>>> For stable too?
> >>>
> >>> Yes, this will go into stable as well; batch of backports will come Thurs/Fri.
> >>
> >> Any word on these?  Worse case, a simple list of git commit ids to
> >> backport is all I need.
> > 
> > Sorry for the delay! There are various conflicts all over the place, so I had
> > to backport manually. I just flushed out tested 4.14 batch, I'll see to get 4.9
> > out hopefully tonight as well, and the rest for 4.4 on Mon.
> 
> While 4.14 and 4.9 BPF backports are tested and out since yesterday, and I
> saw Greg queued them up (thanks!), it looks like plain 4.4.113 doesn't even
> boot on my machine. While I can shortly see the kernel log, my screen turns
> black shortly thereafter and nothing reacts anymore. No such problems with
> 4.9 and 4.14 stables seen. (using x86_64, i7-6600U) Is this a known issue?

Not that I know of, sorry.  Odd graphics issue perhaps?

If you have some test programs I can run, I can look into doing the
backports, I still have a laptop around here that runs 4.4 :)

There's always a virtual machine as well, have you tried that?

thanks,

greg k-h