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Date:      Mon, 7 Nov 2022 14:01:54 +0300
From:      Dmitry Chagin <dchagin@heemeyer.club>
To:        Graham Perrin <grahamperrin@freebsd.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: linsysfs on /usr/src/sys (linsysfs, local)
Message-ID:  <Y2jloh3tDASpuYlI@heemeyer.club>
In-Reply-To: <8e3e8a1f-495e-6c53-7450-5e22e6b50025@freebsd.org>
References:  <3e925370-3f09-101d-e4f3-5fa2c7f28c83@freebsd.org> <8e3e8a1f-495e-6c53-7450-5e22e6b50025@freebsd.org>

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On Mon, Nov 07, 2022 at 03:03:25AM +0000, Graham Perrin wrote:
> On 29/10/2022 21:30, Graham Perrin wrote:
> 
> > Subject: poudriere jail update from source: syscall.mk does not exist
> 
> > After updating to yesterday's 
> > aba921bd9e1869dae9ae4cc6e0c048f997401034, I aimed for a routine update 
> > of the jail that I used for poudriere.
> >
> >
> > poudriere jail -u -J 1 -j main
> > …
> > ===> lib/libc (install)
> > make[5]: "/usr/src/lib/libc/sys/Makefile.inc" line 9: Cannot open 
> > /usr/src/sys/sys/syscall.mk
> > make[5]: Fatal errors encountered -- cannot continue
> > make[5]: stopped in /usr/src/lib/libc
> > *** Error code 1
> > …
> 
> 
> bdrewery and others in IRC helped me to realise an offending mount.
> 
> 
> With linux_enable: YES,
> 
> root@mowa219-gjp4-8570p-freebsd:~ # mount | grep sys
> linsysfs on /usr/src/sys (linsysfs, local)
> root@mowa219-gjp4-8570p-freebsd:~ # exit
> logout
> % grep linsysfs /etc/fstab
> # linsysfs      /compat/linux/sys       linsysfs 
> rw                         0     0
> # linsysfs        /compat/ubuntu/sys      linsysfs 
> rw,late                    0     0
> %
> 
> 
> After linux_enable: NO and a reboot,
> 
> % sysrc -f /etc/rc.conf linux_enable
> linux_enable: NO
> % mount | grep sys
> % date ; uname -aKU
> Wed 2 Nov 2022 19:06:01 GMT
> FreeBSD mowa219-gjp4-8570p-freebsd 14.0-CURRENT FreeBSD 14.0-CURRENT #24 
> main-n258900-aba921bd9e18: Sat Oct 29 14:39:59 BST 2022 
> grahamperrin@mowa219-gjp4-8570p-freebsd:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG 
> amd64 1400073 1400073
> % sudo service linux onestart
> grahamperrin's password:
> kldload: an error occurred while loading module linux. Please check 
> dmesg(8) for more details.
> /etc/rc.d/linux: WARNING: Unable to load kernel module linux
> kldload: an error occurred while loading module linux64. Please check 
> dmesg(8) for more details.
> /etc/rc.d/linux: WARNING: Unable to load kernel module linux64
> % mount | grep sys
> linsysfs on /compat/linux/sys (linsysfs, local)


assume linux_common failsed to load, as for now Linuxulator depends on
netlink module on -current.



> % sudo sysrc linux_enable="YES"
> linux_enable: NO -> YES
> %
> 
> 
> With linux_enable: YES (re-enabled) and a reboot, the clobber of 
> /usr/src/sys recurred.
> 
> ----
> 
> Resolved through an OS update on 3rd November:
> 
> % uname -aKU
> FreeBSD mowa219-gjp4-8570p-freebsd 14.0-CURRENT FreeBSD 14.0-CURRENT #25 
> main-n259004-2c10be9e06d4: Thu Nov  3 00:14:52 GMT 2022 
> grahamperrin@mowa219-gjp4-8570p-freebsd:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG 
> amd64 1400073 1400073
> 






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