[9fans] phase error -- cannot happen

[9fans] phase error -- cannot happen

[layup28]

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Hi. I’m new to 9front. I installed it on my ThinkPad with an NVMe drive. After editing lib/profile and rebooting, I got the following error:

> cat: error reading profile: phase error -- cannot happen
> checktag pc="202c79 cw"/dev/sdN0/fscache"w"/dev/sdN0/fsworm"(e108) tag/path=Tfile/27468; expect Tfile/27465

The first time I got this error, I just deleted the file and created a new one, but it happened again.
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Re: [9fans] phase error -- cannot happen

[Jacob Moody]

On 10/15/25 19:59, layup28@gmail.com wrote:
> Hi. I’m new to 9front. I installed it on my ThinkPad with an NVMe drive. After editing lib/profile and rebooting, I got the following error:
> 
>> cat: error reading profile: phase error -- cannot happen
>> checktag pc="202c79 cw"/dev/sdN0/fscache"w"/dev/sdN0/fsworm"(e108) tag/path=Tfile/27468; expect Tfile/27465
> 
> The first time I got this error, I just deleted the file and created a new one, but it happened again.
> *9fans <https://9fans.topicbox.com/latest>* / 9fans / see discussions <https://9fans.topicbox.com/groups/9fans> + participants <https://9fans.topicbox.com/groups/9fans/members> + delivery options <https://9fans.topicbox.com/groups/9fans/subscription> Permalink <https://9fans.topicbox.com/groups/9fans/T1e0a38caeda2ba94-M8ff9e12be6cbb186b3c38ad5>

How did you reboot your system? If you used reboot(1), that shuts off the system without cleanly shutting down the filesystem.
You should use fshalt -r. Cwfs does not handle unclean shutdowns very well, doubly so if there are fresh writes.


Thanks,
moody

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Re: [9fans] phase error -- cannot happen

[Жора]

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You are right. I used `reboot`. Thanks.
Is there a way to restore my file?

On Thu, Oct 16, 2025 at 11:05 PM Jacob Moody <moody@posixcafe.org> wrote:

> On 10/15/25 19:59, layup28@gmail.com wrote:
> > Hi. I’m new to 9front. I installed it on my ThinkPad with an NVMe drive.
> After editing lib/profile and rebooting, I got the following error:
> >> cat: error reading profile: phase error -- cannot happen
> >> checktag pc="202c79 cw"/dev/sdN0/fscache"w"/dev/sdN0/fsworm"(e108)
> tag/path=Tfile/27468; expect Tfile/27465
> >
> > The first time I got this error, I just deleted the file and created a
> new one, but it happened again.
> > *9fans <https://9fans.topicbox.com/latest>* / 9fans / see discussions <
> https://9fans.topicbox.com/groups/9fans> + participants <
> https://9fans.topicbox.com/groups/9fans/members> + delivery options <
> https://9fans.topicbox.com/groups/9fans/subscription> Permalink <
> https://9fans.topicbox.com/groups/9fans/T1e0a38caeda2ba94-M8ff9e12be6cbb186b3c38ad5
> 
> How did you reboot your system? If you used reboot(1), that shuts off the
> system without cleanly shutting down the filesystem.
> You should use fshalt -r. Cwfs does not handle unclean shutdowns very
> well, doubly so if there are fresh writes.
> 
> Thanks,
> moody

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Re: [9fans] phase error -- cannot happen

[layup28]

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Thanks. You are right. I used "reboot". 
Is there also a way I can restore my file? 
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Re: [9fans] phase error -- cannot happen\

[ori]

The easiest option, to use the file system console,
documented in man 8 fs. The commands you want are
something along the lines of:

        % con -C /srv/cwfs.cmd
        >>> check
        <will dump a bunch of errors, probably>
        >>> clri <file with errors>
        >>> clri <file with errors>
        >>> ...
        >>> check free

Quoth Жора <layup28@gmail.com>:
> You are right. I used `reboot`. Thanks.
> Is there a way to restore my file?
> 
> On Thu, Oct 16, 2025 at 11:05 PM Jacob Moody <moody@posixcafe.org> wrote:
> 
> > On 10/15/25 19:59, layup28@gmail.com wrote:
> > > Hi. I’m new to 9front. I installed it on my ThinkPad with an NVMe drive.
> > After editing lib/profile and rebooting, I got the following error:
> > >> cat: error reading profile: phase error -- cannot happen
> > >> checktag pc="202c79 cw"/dev/sdN0/fscache"w"/dev/sdN0/fsworm"(e108)
> > tag/path=Tfile/27468; expect Tfile/27465
> > >
> > > The first time I got this error, I just deleted the file and created a
> > new one, but it happened again.
> > > *9fans <https://9fans.topicbox.com/latest>* / 9fans / see discussions <
> > https://9fans.topicbox.com/groups/9fans> + participants <
> > https://9fans.topicbox.com/groups/9fans/members> + delivery options <
> > https://9fans.topicbox.com/groups/9fans/subscription> Permalink <
> > https://9fans.topicbox.com/groups/9fans/T1e0a38caeda2ba94-M8ff9e12be6cbb186b3c38ad5
> > 
> > How did you reboot your system? If you used reboot(1), that shuts off the
> > system without cleanly shutting down the filesystem.
> > You should use fshalt -r. Cwfs does not handle unclean shutdowns very
> > well, doubly so if there are fresh writes.
> > 
> > Thanks,
> > moody

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Re: [9fans] phase error -- cannot happen\

[ori]

Quoth ori@eigenstate.org:
> The easiest option, to use the file system console,
> documented in man 8 fs. The commands you want are
> something along the lines of:
> 
>         % con -C /srv/cwfs.cmd
>         >>> check
>         <will dump a bunch of errors, probably>
>         >>> clri <file with errors>
>         >>> clri <file with errors>
>         >>> ...
>         >>> check free

...oh, and to restore the files, if they're tracked by
git:

        git/revert $files


> Quoth Жора <layup28@gmail.com>:
> > You are right. I used `reboot`. Thanks.
> > Is there a way to restore my file?
> > 
> > On Thu, Oct 16, 2025 at 11:05 PM Jacob Moody <moody@posixcafe.org> wrote:
> > 
> > > On 10/15/25 19:59, layup28@gmail.com wrote:
> > > > Hi. I’m new to 9front. I installed it on my ThinkPad with an NVMe drive.
> > > After editing lib/profile and rebooting, I got the following error:
> > > >> cat: error reading profile: phase error -- cannot happen
> > > >> checktag pc="202c79 cw"/dev/sdN0/fscache"w"/dev/sdN0/fsworm"(e108)
> > > tag/path=Tfile/27468; expect Tfile/27465
> > > >
> > > > The first time I got this error, I just deleted the file and created a
> > > new one, but it happened again.
> > > > *9fans <https://9fans.topicbox.com/latest>* / 9fans / see discussions <
> > > https://9fans.topicbox.com/groups/9fans> + participants <
> > > https://9fans.topicbox.com/groups/9fans/members> + delivery options <
> > > https://9fans.topicbox.com/groups/9fans/subscription> Permalink <
> > > https://9fans.topicbox.com/groups/9fans/T1e0a38caeda2ba94-M8ff9e12be6cbb186b3c38ad5
> > > 
> > > How did you reboot your system? If you used reboot(1), that shuts off the
> > > system without cleanly shutting down the filesystem.
> > > You should use fshalt -r. Cwfs does not handle unclean shutdowns very
> > > well, doubly so if there are fresh writes.
> > > 
> > > Thanks,
> > > moody

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