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Bug#627592: marked as done (/usr/sbin/mkinitramfs: copying all files requires too big /tmp - fails on e.g low memory systems using tmpfs)

Your message dated Mon, 4 Jun 2012 20:50:44 +0000
with message-id <20120604205044.GC17569@vostochny.stro.at>
and subject line Re: /usr/sbin/mkinitramfs: copying all files requires too big /tmp - fails on e.g low memory systems using tmpfs
has caused the Debian Bug report #627592,
regarding /usr/sbin/mkinitramfs: copying all files requires too big /tmp - fails on e.g low memory systems using tmpfs
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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-- 
627592: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627592
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: initramfs-tools
Version: 0.99
Severity: important
File: /usr/sbin/mkinitramfs

The new "copy all files" policy makes update-initramfs fail on my virtual machines
with 128MB RAM and /tmp on a default (20%) tmpfs:

cp: writing `/tmp/mkinitramfs_G8WN9F/bin/sh.shared': No space left on device
cp: writing `/tmp/mkinitramfs_G8WN9F/bin/sleep': No space left on device
cp: writing `/tmp/mkinitramfs_G8WN9F/bin/sync': No space left on device
cp: writing `/tmp/mkinitramfs_G8WN9F/bin/true': No space left on device
cp: writing `/tmp/mkinitramfs_G8WN9F/bin/umount': No space left on device
cp: writing `/tmp/mkinitramfs_G8WN9F/bin/uname': No space left on device
cp: writing `/tmp/mkinitramfs_G8WN9F/bin/zcat': No space left on device
cp: writing `/tmp/mkinitramfs_G8WN9F/lib/klibc-r1_A6R6EwMsdze5h5xz93JiNuoM.so': No space left on device
cp: writing `/tmp/mkinitramfs_G8WN9F//lib/modules/2.6.39-1-amd64/kernel/drivers/thermal/thermal_sys.ko': No space left on device
cp: writing `/tmp/mkinitramfs_G8WN9F//lib/modules/2.6.39-1-amd64/kernel/drivers/acpi/fan.ko': No space left on device
cp: writing `/tmp/mkinitramfs_G8WN9F//lib/modules/2.6.39-1-amd64/kernel/drivers/acpi/thermal.ko': No space left on device
E: /usr/share/initramfs-tools/hooks/udev failed with return 1.
update-initramfs: failed for /boot/initrd.img-2.6.39-1-amd64 with 1.
run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-2.6.39-1-amd64.postinst line 771.
dpkg: error processing linux-image-2.6.39-1-amd64 (--configure):
 subprocess installed post-installation script returned error exit status 1


So my /tmp filesystem isn't very big, but this is the first time that has been
a problem:

frtest4:~# mount | grep /tmp
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime,size=20%,mode=1777)
frtest4:~# df -h /tmp/
Filesystem            Size  Used Avail Use% Mounted on
tmpfs                  24M     -     -   -  /tmp
frtest4:~# du -s /tmp/*
0       /tmp/mkinitramfs_6QnkFf
24444   /tmp/mkinitramfs_G8WN9F
0       /tmp/mkinitramfs-OL_6YFwE3
0       /tmp/mkinitramfs-OL_OLlr3h
0       /tmp/PajnAm


I don't know if there are exact requirements for the size of /tmp, but until someone
shows me documentation stating otherwise I will claim that any script or binary 
requiring more than 10MB free space on /tmp, without any sane fallback mechanism, is
seriously buggy.

I see the advantage of the new "copy all files" policy wrt including symlinks in the
generated initramfs, but I believe this means it has to be generated somewhere with 
more available space - at least as a fallback on failure.  Using /tmp by default is
probably OK as long as there is an automatic fallback to something safer.  

I suggest using /var/spool/initramfs


Bjørn



-- Package-specific info:
-- initramfs sizes
-rw-r--r-- 1 root root 9.3M May 14 07:39 /boot/initrd.img-2.6.38-2-amd64
-- /proc/cmdline
initrd=/initrd.img root=UUID=0d3e856e-8f99-4b3e-8d4f-37a65486930b ro console=tty0 console=ttyS0,9600n8 BOOT_IMAGE=/vmlinuz 

-- resume
# RESUME=/dev/hda5
RESUME='UUID=70ab49d2-2ac0-47ee-b17a-2fb7258db37f'
-- /proc/filesystems
	ext3

-- lsmod
Module                  Size  Used by
nfsd                  258504  2 
exportfs               12591  1 nfsd
nfs                   250037  0 
lockd                  70844  2 nfsd,nfs
fscache                36071  1 nfs
nfs_acl                12511  2 nfsd,nfs
auth_rpcgss            36692  2 nfsd,nfs
sunrpc                162075  6 nfsd,nfs,lockd,nfs_acl,auth_rpcgss
loop                   22515  0 
snd_pcm                67327  0 
snd_timer              22658  1 snd_pcm
snd                    52280  2 snd_pcm,snd_timer
soundcore              13014  1 snd
snd_page_alloc         12969  1 snd_pcm
parport_pc             22191  0 
psmouse                55199  0 
pcspkr                 12579  0 
parport                31650  1 parport_pc
evdev                  17475  2 
i2c_piix4              12536  0 
processor              27431  0 
button                 12994  0 
serio_raw              12878  0 
i2c_core               23725  1 i2c_piix4
thermal_sys            17939  1 processor
ext3                  112218  1 
jbd                    41698  1 ext3
mbcache                12930  1 ext3
sg                     25769  0 
sr_mod                 21824  0 
sd_mod                 35501  3 
crc_t10dif             12348  1 sd_mod
cdrom                  35134  1 sr_mod
ata_generic            12479  0 
ata_piix               25319  2 
uhci_hcd               26290  0 
floppy                 56861  0 
ehci_hcd               39529  0 
libata                147240  2 ata_generic,ata_piix
usbcore               122908  3 uhci_hcd,ehci_hcd
scsi_mod              161457  4 sg,sr_mod,sd_mod,libata
e1000                  89591  0 
nls_base               12753  1 usbcore

-- /etc/initramfs-tools/modules

-- /etc/kernel-img.conf
# Kernel image management overrides
# See kernel-img.conf(5) for details
do_symlinks = yes
relative_links = yes
do_bootloader = no
do_bootfloppy = no
do_initrd = yes
link_in_boot = no

-- /etc/initramfs-tools/initramfs.conf
MODULES=most
BUSYBOX=y
KEYMAP=n
COMPRESS=gzip
BOOT=local
DEVICE=
NFSROOT=auto

-- /etc/initramfs-tools/update-initramfs.conf
update_initramfs=yes
backup_initramfs=no

-- mkinitramfs hooks
/etc/initramfs-tools/hooks/:

/usr/share/initramfs-tools/hooks:
busybox
dmsetup
keymap
klibc
thermal
udev
uswsusp


-- System Information:
Debian Release: wheezy/sid
  APT prefers oldstable
  APT policy: (500, 'oldstable'), (500, 'unstable'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.38-2-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages initramfs-tools depends on:
ii  cpio                          2.11-7     GNU cpio -- a program to manage ar
ii  findutils                     4.4.2-1+b1 utilities for finding files--find,
ii  klibc-utils                   1.5.22-1   small utilities built with klibc f
ii  module-init-tools             3.12-1     tools for managing Linux kernel mo
ii  udev                          169-1      /dev/ and hotplug management daemo

Versions of packages initramfs-tools recommends:
ii  busybox                       1:1.18.4-2 Tiny utilities for small and embed

Versions of packages initramfs-tools suggests:
ii  bash-completion               1:1.3-1    programmable completion for the ba

-- no debconf information

--- End Message ---
--- Begin Message --- 
Version: 0.100


contains this change, without the corresponding close:
 * [b9ff58c] mkinitramfs: Use /var/tmp rather then /tmp for space reasons


thus closing now, thank you for your report.

-- 
maks

--- End Message ---
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