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Sat, 16 Jan 2021 08:15:20 -0800 (PST) MIME-Version: 1.0 References: <0100017702d1cdc1-592dbc60-0357-40de-9d00-6310ebd8304e-000000@email.amazonses.com> <0100017703434c67-b7a3d36a-2d2d-42ff-85f8-ac39d964354f-000000@email.amazonses.com> In-Reply-To: From: Skip Tavakkolian Date: Sat, 16 Jan 2021 08:15:07 -0800 Message-ID: Subject: Re: [9fans] Plan9 on Raspberry Pi 400? To: 9fans <9fans@9fans.net> Content-Type: multipart/alternative; boundary="0000000000009c15d105b906cb62" Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 0ba8cee0-5816-11eb-8e5a-f6be18cfcf58 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UMDE3ODEzMmYzZDJlZDY4OS1NMWU0ZTAwM2QwMDhhNzI2ZDAxZTQ5?= =?UTF-8?B?ZDRhPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: 7bit List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M1e4e003d008a726d01e49d4a:1:Ers4e50AgZGbop-yOAf8S9HmLuR5kxJl4vj2kjYeCnM --0000000000009c15d105b906cb62 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable To clarify, I build 9pi locally from the latest version of sources. On Thu, Jan 14, 2021, 5:15 PM Skip Tavakkolian wrote: > I'm using a RPi400 with Richard's port. I'm netbooting without issues and > up for days. The only issue I had was forgetting to set 'enable_gic=3D1'= as > Richard instructed in the sources. Pi4 works ok without it, pi400 doesn't. > > > On Thu, Jan 14, 2021, 3:39 PM Mack Wallace wrote: > >> Thank you for the reply Stuart, but no luck. >>=20 >> I did download Mr. Miller=E2=80=99s image. It would not boot at all unti= l I >> replaced the files that you mention, but the kernel in that image locks = up >> after detecting the fourth core of the CPU. However, from that failure I >> learned that those files, (start_cd.elf, start4cd.elf, fixup_cd.dat, >> fixup4cd.dat) are necessary for the Pi to boot, and that those with the >> bootcode.bin and presumably, but it doesn=E2=80=99t seem to matter wheth= er I use >> bcm2711-rpi-4-b.dtb or bcm2711-rpi-400.dtb - the dtbs are vital to the >> process. - and that all those files simply need to be copied into the fat >> partition/boot directory. >>=20 >> So I burned another image (actually many, trying different SD cards, and >> different configurations, older kernels, etc) and replaced all the files >> I=E2=80=99ve mentioned with the ones from >> https://github.com/raspberrypi/firmware/tree/master/boot (hopefully >> that=E2=80=99s where I should get them). My most recent iteration just h= as the >> single error repeated: >>=20 >> sdhc: read error intr 2008002 stat 1fff0000 >>=20 >> This occurs many times. In the middle of these errors is >>=20 >> /dev/sdM0: BCM SD Host Controller 02 Version 10 >>=20 >> then the error repeats itself over 50 times before printing out the lines >> /dev/sdM0/data >> bootargs is (tcp, tls, il, local!device)[] >>=20 >> At no time during this process is the keyboard or mouse responsive. >> Though the mouse icon did become visible during the boot process. >>=20 >> I am hoping I am wrong, but I am thinking there is some sort of driver >> issue. At the very least, checking what media there is to mount, or read= ing >> the SD card. And then possibly for other things, but the former could be >> gumming up the works for everything else. >>=20 >> On Jan 14, 2021, at 6:05 PM, Stuart Morrow >> wrote: >>=20 >> Try copying the .dtb *and* the start4 and fixup4. >>=20 >> *9fans * / 9fans / see discussions >> + participants >> + delivery options >> Permalink >> ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T0178132f3d2ed689-M1e4e0= 03d008a726d01e49d4a Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --0000000000009c15d105b906cb62 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
To clarify, I build 9pi locally from the= latest version of sources.

On Thu, Jan 14, 2021, 5:15 PM Skip Tavakkolian= <skip.tavakkolian@gmail.c= om> wrote:
I'm using a RPi400 with Richard's port. I'm netbooting = without issues and up for days.  The only issue I had was forgetting t= o set 'enable_gic=3D1' as Richard instructed in the sources. Pi4 wo= rks ok without it, pi400 doesn't.


On Thu, Jan 14, 2021, 3:39 PM = Mack Wallace <mackbw@mapinternet.com> w= rote:
Thank you for the reply Stuart, but n= o luck.

I did download Mr. Miller’s image. It wo= uld not boot at all until I replaced the files that you mention, but the ke= rnel in that image locks up after detecting the fourth core of the CPU. How= ever, from that failure I learned that those files, (start_cd.elf, start4cd= .elf, fixup_cd.dat, fixup4cd.dat) are necessary for the Pi to boot, and tha= t those with the bootcode.bin and presumably, but it doesn’t seem to = matter whether I use bcm2711-rpi-4-b.dtb or bcm2711-rpi-400.dtb - the dtbs = are vital to the process. - and that all those files simply need to be copi= ed into the fat partition/boot directory.

So I b= urned another image (actually many, trying different SD cards, and differen= t configurations, older kernels, etc) and replaced all the files I’ve= mentioned with the ones from https://github.com/raspberrypi/firmware/tree/master= /boot (hopefully that’s where I should get them). My most re= cent iteration just has the single error repeated:

sdhc: read error intr 2008002 stat 1fff0000

T= his occurs many times. In the middle of these errors is 
/dev/sdM0: BCM SD Host Controller 02 Version 10
then the error repeats itself over 50 times before printing o= ut the lines
/dev/sdM0/data
bootargs is (tcp, tls, il, = local!device)[]

At no time during this process i= s the keyboard or mouse responsive. Though the mouse icon did become visibl= e during the boot process. 

I am hoping I a= m wrong, but I am thinking there is some sort of driver issue. At the very = least, checking what media there is to mount, or reading the SD card. And t= hen possibly for other things, but the former could be gumming up the works= for everything else.


On Jan 14, 2021, at 6:05 PM, Stuart Morrow <morrow.stuart@gmail.com> wrote:

Try copying the .dtb *and* the start4 and fixup4.

---= ---------------------------------------
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