Re: atari sysinst.fs overflow again

[christos%astron.com@localhost (Christos Zoulas)]

In article <171119020944.M0117215%mirage.ceres.dti.ne.jp@localhost>,
Izumi Tsutsui  <tsutsui%ceres.dti.ne.jp@localhost> wrote:
>http://mail-index.netbsd.org/source-changes/2017/11/15/msg089733.html
>> Module Name:	src
>> Committed By:	tsutsui
>> Date:		Wed Nov 15 16:37:00 UTC 2017
>> 
>> Modified Files:
>> 	src/distrib/atari/floppies/install: list
>> 
>> Log Message:
>> Put back /bin/cp and /sbin/sysctl to installation binaries.
>> 
>> - cp(1) is explicitly required by sysinst(8), cp_to_target() in
>>   src/usr.sbin/sysinst/target.c, to copy bootloader to targetroot
>> - sysctl(8) is required by src/distrib/atari/floppies/common/dot.profile
>>   to detect the root device (fd or md)
>> 
>> This might cause floppy overflow on HEAD again, but works on 8.0_BETA.
>> 
>> Should be pulled up to netbsd-8.
>
>As I was afraid, this change causes -current sysinst.fs overflow again:
>
>https://releng.netbsd.org/builds/HEAD/201711180030Z/atari.build.failed
>---
>Calculated size of `sysinst.fs.tmp': 1474560 bytes, 320 inodes
>Extent size set to 4096
>sysinst.fs.tmp: 1.4MB (2880 sectors) block size 4096, fragment size 512
>	using 1 cylinder groups of 1.41MB, 360 blks, 384 inodes.
>super-block backups (for fsck -b #) at:
> 32,nbmakefs: Writing inode 306 (work/./usr/mdec/milan/bootxx), bytes
>4096 + 2560: No space left on device
>Populating `sysinst.fs.tmp'
>---
>
>Removing /bin/df (MAKEDEV(8) has no longer required it) is not enough,
>so I'm trying to remove sysctl(8) next since it's used only to get
>root device, as noted in the commit log.
>
>With @s_mitu's help, I've managed to get root device from dmesg output
>with sed(1):

I don't think you need to specify the root device to remount root
anymore:

[2:15pm] 125#cp /dev/null /etc/fstab
[2:15pm] 126#mount -u /

christos