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Old 05-01-2008, 06:12 PM   #1
Registered: Nov 2002
Location: /au/qld/bne/4157
Distribution: Gentoo mactel-linux
Posts: 238

Rep: Reputation: 30
problem with "screen" Cannot access '/newroot/dev/pts/0' - in a chroot - not /newroot

Hi guys,

I am struggling to get screen to work for me whilst doing a gentoo install via ssh when in the chroot.

The basics of the setup are:

booted with SystemRescCD

mounted install disks made mount binds etc including:

mount -t proc none /mnt/gentoo/proc
mount -o bind /dev /mnt/gentoo/bind

and even

mount -t devpts none /mnt/gentoo/dev/pts

Then chroot /mnt/gentoo/ /bin/bash ; env-update ; . /etc/profile

and screen won't play:

sysresccd etc # nano screenrc
sysresccd etc # screen
Cannot access '/newroot/dev/pts/0': No such file or directory
sysresccd etc # screen /dev/pts/0
Cannot access '/newroot/dev/pts/0': No such file or directory
sysresccd etc # cd /dev
sysresccd dev # ls
agpgart        fuse     loop6   ptmx   ram6    sdc1  sg1     tty1   tty22  tty35  tty48  tty60           usbdev1.2_ep00  usbdev1.6_ep82  usbmon5  vcsa4
bus            gpmctl   loop7   pts    ram7    sdc2  sg2     tty10  tty23  tty36  tty49  tty61           usbdev1.2_ep02  usbdev2.1_ep00  vcs      vcsa5
cdrom          hpet     mapper  ram0   ram8    sdc3  sg3     tty11  tty24  tty37  tty5   tty62           usbdev1.2_ep81  usbdev2.1_ep81  vcs1     vcsa6
cdrom1         initctl  md      ram1   ram9    sdc4  sg4     tty12  tty25  tty38  tty50  tty63           usbdev1.3_ep00  usbdev3.1_ep00  vcs12    watchdog
cdrom2         input    md0     ram10  random  sdd   sg5     tty13  tty26  tty39  tty51  tty7            usbdev1.3_ep02  usbdev3.1_ep81  vcs2     zero
cdrw           kmsg     mem     ram11  rd      sdd1  shm     tty14  tty27  tty4   tty52  tty8            usbdev1.3_ep81  usbdev4.1_ep00  vcs3
cdrw1          log      misc    ram12  rtc     sdd2  sr0     tty15  tty28  tty40  tty53  tty9            usbdev1.4_ep00  usbdev4.1_ep81  vcs4
console        loop     mouse   ram13  scd0    sdd3  stderr  tty16  tty29  tty41  tty54  ttyS0           usbdev1.4_ep03  usbdev5.1_ep00  vcs5
core           loop0    mouse1  ram14  sda     sdd4  stdin   tty17  tty3   tty42  tty55  ttyS1           usbdev1.4_ep84  usbdev5.1_ep81  vcs6
dac960_gam     loop1    mptctl  ram15  sda1    sde   stdout  tty18  tty30  tty43  tty56  ttyS2           usbdev1.5_ep00  usbmon0         vcsa
device-mapper  loop2    null    ram2   sda2    sde1  tgt     tty19  tty31  tty44  tty57  ttyS3           usbdev1.5_ep01  usbmon1         vcsa1
disk           loop3    nvram   ram3   sdb     sde2  tts     tty2   tty32  tty45  tty58  urandom         usbdev1.5_ep82  usbmon2         vcsa12
fd             loop4    oldmem  ram4   sdb1    sde3  tty     tty20  tty33  tty46  tty59  usbdev1.1_ep00  usbdev1.6_ep00  usbmon3         vcsa2
full           loop5    port    ram5   sdc     sg0   tty0    tty21  tty34  tty47  tty6   usbdev1.1_ep81  usbdev1.6_ep81  usbmon4         vcsa3
sysresccd dev # cd pts
sysresccd pts # ls
sysresccd pts #
the devpts is there but screen seems to be worried about the chroot state?

Mirrorselect fails in a similar way:

sysresccd pts # mirrorselect -i
* Downloading a list of mirrors... Got 221 mirrors.
* Stripping hosts that only support ipv6... Removed 8 of 221

cannot open tty-output
Something missing??

In general this install is going much the same way as every other ;-)

(BTW I am in the chroot I just didn't change PS1)


Last edited by stardotstar; 05-01-2008 at 06:15 PM. Reason: corrections and clarification


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