From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: "linux-mips@vger.kernel.org" <linux-mips@vger.kernel.org>
Subject: Re: CPUs with EVA support
Date: Mon, 28 Dec 2020 11:47:45 +0100 [thread overview]
Message-ID: <20201228104745.GA3606@alpha.franken.de> (raw)
In-Reply-To: <0c24ee90-1872-492d-9bfe-4744aaa87615@www.fastmail.com>
On Mon, Dec 28, 2020 at 09:28:53AM +0800, Jiaxun Yang wrote:
>
>
> On Mon, Dec 28, 2020, at 6:26 AM, Thomas Bogendoerfer wrote:
> > On Mon, Dec 21, 2020 at 08:38:00AM +0800, Jiaxun Yang wrote:
> > > > How good is EVA support in qemu ?
> > >
> > > EVA is functional in QEMU.
> > > I had tested it with P5600 malta system.
> >
> > and it's working for you ? I've setup a qemu malta system running
> > debian buster. It boots fine when CPU is != P5600, but as soon as
> > I enable -cpu P5600 it stops booting:
> >
> > Run /bin/bash as init process
> > request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50),
> > for module binfmt-464c, throttling...
> > request_module: modprobe binfmt-464c cannot be processed, kmod busy
> > with 50 threads for more than 5 seconds now
> > Kernel panic - not syncing: Requested init /bin/bash failed (error -8).
>
> Well you need add "ieee754=relaxed" to cmdline
> to workaround this.
>
> It's due to NAN2008 mismatch.
excellent, now it boots. I had to specify "coherentio" as kernel parameter
to avoid a pcnet32 driver crash the kernel. Looks like creating uncached
pointers is borken in EVA kernels, is this a known issue ?
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
next prev parent reply other threads:[~2020-12-28 10:52 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-20 19:32 CPUs with EVA support Thomas Bogendoerfer
2020-12-21 0:38 ` Jiaxun Yang
2020-12-21 7:04 ` Serge Semin
2020-12-21 7:21 ` Jiaxun Yang
2020-12-21 7:37 ` YunQiang Su
2020-12-21 7:49 ` Serge Semin
2020-12-27 22:26 ` Thomas Bogendoerfer
2020-12-28 1:28 ` Jiaxun Yang
2020-12-28 10:47 ` Thomas Bogendoerfer [this message]
2020-12-22 14:46 ` Hauke Mehrtens
2020-12-23 14:46 ` Thomas Bogendoerfer
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