From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: David Rientjes <rientjes@google.com>,
Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
linux-wireless@vger.kernel.org, johannes.berg@intel.com,
wey-yi.w.guy@intel.com, ilw@linux.intel.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: iwl3945: order 5 allocation during ifconfig up; vm problem?
Date: Mon, 8 Oct 2012 17:38:56 +0200 [thread overview]
Message-ID: <20121008153855.GA9737@redhat.com> (raw)
In-Reply-To: <20121006120850.GB18025@elf.ucw.cz>
On Sat, Oct 06, 2012 at 02:08:50PM +0200, Pavel Machek wrote:
> On Fri 2012-10-05 10:37:00, Stanislaw Gruszka wrote:
> > On Wed, Oct 03, 2012 at 11:07:13AM -0700, David Rientjes wrote:
> > > On Wed, 3 Oct 2012, Stanislaw Gruszka wrote:
> > >
> > > > So, can this problem be solved like on below patch, or I should rather
> > > > split firmware loading into chunks similar like was already iwlwifi did?
> >
> > Hmm, I looked at iwl3945 code and looks loading firmware in chunks is
> > nothing that can be easily done. 3945 bootstrap code expect that runtime
> > ucode will be placed in physically continue memory, and there are no
> > separate instructions for copy and for execute, just one to perform both
> > those actions. Maybe loading firmware in chunks can be done using
> > undocumented features of the device, but I'm eager to do this.
>
> Just allocate memory during boot?
On driver I can reserve memory during module load, but also this isn't
something I prefer to do.
> > Pavel, do you still can reproduce this problem on released 3.6 ?
>
> It happened again yesterday on 3.6.0-rc6+. I don't think mm changed
> between -rc6 and final...
Could you check __GFP_REPEAT oneline patch posted previously ?
And if that fail again, provide full dmesg (on your previous messages
there is vmap() failure, which I do not understand, where it come
from) ?
Thanks
Stanislaw
WARNING: multiple messages have this Message-ID (diff)
From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: David Rientjes <rientjes@google.com>,
Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
linux-wireless@vger.kernel.org, johannes.berg@intel.com,
wey-yi.w.guy@intel.com, ilw@linux.intel.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: iwl3945: order 5 allocation during ifconfig up; vm problem?
Date: Mon, 8 Oct 2012 17:38:56 +0200 [thread overview]
Message-ID: <20121008153855.GA9737@redhat.com> (raw)
In-Reply-To: <20121006120850.GB18025@elf.ucw.cz>
On Sat, Oct 06, 2012 at 02:08:50PM +0200, Pavel Machek wrote:
> On Fri 2012-10-05 10:37:00, Stanislaw Gruszka wrote:
> > On Wed, Oct 03, 2012 at 11:07:13AM -0700, David Rientjes wrote:
> > > On Wed, 3 Oct 2012, Stanislaw Gruszka wrote:
> > >
> > > > So, can this problem be solved like on below patch, or I should rather
> > > > split firmware loading into chunks similar like was already iwlwifi did?
> >
> > Hmm, I looked at iwl3945 code and looks loading firmware in chunks is
> > nothing that can be easily done. 3945 bootstrap code expect that runtime
> > ucode will be placed in physically continue memory, and there are no
> > separate instructions for copy and for execute, just one to perform both
> > those actions. Maybe loading firmware in chunks can be done using
> > undocumented features of the device, but I'm eager to do this.
>
> Just allocate memory during boot?
On driver I can reserve memory during module load, but also this isn't
something I prefer to do.
> > Pavel, do you still can reproduce this problem on released 3.6 ?
>
> It happened again yesterday on 3.6.0-rc6+. I don't think mm changed
> between -rc6 and final...
Could you check __GFP_REPEAT oneline patch posted previously ?
And if that fail again, provide full dmesg (on your previous messages
there is vmap() failure, which I do not understand, where it come
from) ?
Thanks
Stanislaw
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next prev parent reply other threads:[~2012-10-08 15:40 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-09 21:32 iwl3945: order 5 allocation during ifconfig up; vm problem? Pavel Machek
2012-09-09 21:32 ` Pavel Machek
2012-09-09 22:40 ` David Rientjes
2012-09-09 22:40 ` David Rientjes
2012-09-10 11:11 ` Pavel Machek
2012-09-10 11:11 ` Pavel Machek
2012-09-11 23:25 ` Andrew Morton
2012-09-11 23:25 ` Andrew Morton
2012-09-12 5:16 ` Eric Dumazet
2012-09-12 5:16 ` Eric Dumazet
2012-09-12 5:57 ` Marc MERLIN
2012-09-12 5:57 ` Marc MERLIN
2012-09-12 6:54 ` Johannes Berg
2012-09-12 6:54 ` Johannes Berg
2012-09-24 9:03 ` Dan Carpenter
2012-09-24 9:03 ` Dan Carpenter
2012-09-24 9:14 ` Johannes Berg
2012-09-24 9:14 ` Johannes Berg
2012-09-12 9:22 ` Stanislaw Gruszka
2012-09-12 9:22 ` Stanislaw Gruszka
2012-09-12 10:18 ` Mel Gorman
2012-09-12 10:18 ` Mel Gorman
2012-10-03 11:37 ` Stanislaw Gruszka
2012-10-03 11:37 ` Stanislaw Gruszka
2012-10-03 18:07 ` David Rientjes
2012-10-03 18:07 ` David Rientjes
2012-10-05 8:37 ` Stanislaw Gruszka
2012-10-05 8:37 ` Stanislaw Gruszka
2012-10-06 12:08 ` Pavel Machek
2012-10-06 12:08 ` Pavel Machek
2012-10-08 15:38 ` Stanislaw Gruszka [this message]
2012-10-08 15:38 ` Stanislaw Gruszka
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