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Wed, 20 Dec 2023 18:56:18 -0800 (PST) Message-ID: <9C95756433D9BFC36E55357465F6A825@eigenstate.org> To: 9fans@9fans.net Subject: Re: [9fans] I did bad things and 9front won't boot Date: Wed, 20 Dec 2023 21:56:16 -0500 From: ori@eigenstate.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 878e605c-9fac-11ee-919c-319c088c7b06 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UMTEwNTUzMTk2YmU1MjUzMi1NZWExZTE3MDM2YTIwMjkxN2UxMTY5?= =?UTF-8?B?ZDkyPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Mea1e17036a202917e1169d92:1:ImlYrS_tzFCySLM3QD_4S3Q_eQyuYVnww29hSXZ4eY8 At a guess, you tried to run something like: mount /dev/sdXX/cache which will try to negotiate a version with your raw disk data, and write a Tversion message to the first block of your disk. You want to mount the 9p service which lives in /srv/cwfs. You can probably either write it back manually, or using the fs recovery console, documented (er, kinda) in fsconfig(8). For reference, the fsconfig should look like: =20=20=20=20=20=20=20=20 filsys main c(/dev/sdN0/fscache)(/dev/sdN0/fsworm) filsys dump o filsys other (/dev/sdN0/other) noauth newcache blocksize 16384 daddrbits 64 indirblks 4 dirblks 6 namelen 144 cpu% read -c 1024 /dev/sdN0/fscache service cwfs filsys main c(/dev/sdN0/fscache)(/dev/sdN0/fsworm) filsys dump o filsys other (/dev/sdN0/other) noauth newcache blocksize 16384 daddrbits 64 indirblks 4 dirblks 6 namelen 144 Quoth o@o5r.ca : > Hello, >=20 > I seem to have done incredibly stupid things to my 9front instance and no= w on boot I get "panic: unknown keyword in config block: ",= followed by a "mount: sys: write on closed pipe pc=3D0x2008c6" and "mount = /srv/boot /root: mount 185: sys: write on closed pipe pc=3D0x2008c6=E2=80= =9D. >=20 > At this point I did try to drop into a shell, but I can=E2=80=99t figure = out from there how I can mount my filesystem (that I can see in the list of= things under /dev/sdE0/fsmain). >=20 > By now I=E2=80=99ve also figured out that the panic is happening =E2=80= =9Chere=E2=80=9D, in the mergeconf function: > http://git.9front.org/plan9front/plan9front/858893ff8ff8d3abd06742276bcb7= 94f3422bab8/sys/src/cmd/cwfs/config.c/f.html >=20 > Is there a way for me to rewrite the config block to sensible defaults by= dropping into a shell and/or using a usb drive w/ 9front on it (as if doin= g an install) to just backstep whatever terrible thing I performed accident= ally? >=20 > Thanks, >=20 > Olivier ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T110553196be52532-Mea1e1= 7036a202917e1169d92 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription