[OpenWrt-Devel] [PATCH] ath79: switch to kernel 5.4

[mail at adrianschmutzler.de]

Hi David, Hi Hauke,

> -----Original Message-----
> From: openwrt-devel [mailto:openwrt-devel-bounces at lists.openwrt.org]
> On Behalf Of Hauke Mehrtens
> Sent: Samstag, 11. April 2020 17:37
> To: David Bauer <mail at david-bauer.net>; Paul Blazejowski
> <paulb at blazebox.homeip.net>
> Cc: Michal Cieslakiewicz <michal.cieslakiewicz at wp.pl>; openwrt-
> devel at lists.openwrt.org
> Subject: Re: [OpenWrt-Devel] [PATCH] ath79: switch to kernel 5.4
> 
> On 4/11/20 5:13 PM, David Bauer wrote:
> > Hello Paul,
> >
> > On 4/3/20 10:58 PM, Paul Blazejowski wrote:
> >> Hello David,
> >>
> >> It is great to hear to we're switching to 5.4 on ath79 target but i
> >> wanted to bring to your attention that at least on the NAND
> >> subtargets (for me wndr3700v4) we need this commit [1] from Kevin to
> >> get the router to boot otherwise there's an oops in do dsp which
> >> prevents my router to boot and produces bootloop, Kevin's patch is
> >> incomplete as i have also alter it locally to apply to 5.4 kernel.
> >> With Michal's mtd concat patch i have successfully run the
> >> kernel/build for a couple of days with no issues. Maybe Michal can
> >> chaim in to confirm as he uses the same hardware in WNDR4300 routers
> just to be sure?
> >
> > I've bisected this issue a bit further. Changing the CPU type for the
> > whole target doesn't seem right, as boards prior to AR934x are 24kc.
> >
> > I've isolated the issue we are facing to 308-mips32r2_tune.patch. I'm
> > a bit puzzled how to proceed as i suspect other targets using a 74kc
> > arch will most likely show the same issue.
> >
> > I propose to revert the change for ath79 locally using a target patch
> > to allow the target to be upgraded to Kernel 5.4.
> >
> > IMHO 308-mips32r2_tune.patch should be a target specific patch anyhow,
> > as optimizing for a single CPU arch for all affected targets might not
> > be very efficient. But I'm not all to familiar with this topic.
> >
> > Best wishes
> > David
> 
> Hi,
> 
> I also get this problem with mainline kernel.
> 
> See here for some more details:
> https://bugs.openwrt.org/index.php?do=details&task_id=2928
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94506

What's the status on this issue? Is it still there, and do we still have a blocker for 5.4 on ath79?

Best

Adrian

> 
> Hauke
> 
> _______________________________________________
> openwrt-devel mailing list
> openwrt-devel at lists.openwrt.org
> https://lists.openwrt.org/mailman/listinfo/openwrt-devel
-------------- next part --------------
A non-text attachment was scrubbed...
Name: openpgp-digital-signature.asc
Type: application/pgp-signature
Size: 834 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/openwrt-devel/attachments/20200624/a22d6112/attachment-0001.sig>
-------------- next part --------------
_______________________________________________
openwrt-devel mailing list
openwrt-devel at lists.openwrt.org
http://lists.infradead.org/mailman/listinfo/openwrt-devel