Bug 415569 – sys-fs/lvm2-2.02.88 - while creating the 32nd snapshot: Failed to suspend origin lv000 /// device-mapper: reload ioctl failed: Cannot allocate memory

• Product: Portage Development
• Status: RESOLVED WORKSFORME

[Description puerjiang 2012-05-12 10:58:01 UTC]

I created 40 snapshots 
 After 32 snapshots, 
lvcreate -L 5G -s -n ss1a1 /dev/vg/lv000
i got the following error: 

  Failed to suspend origin lv000
  device-mapper: reload ioctl failed: Cannot allocate memory


 LVM version: 2.02.88(2) (2011-08-19) 
 gentoo version :3.2.1-gentoo-r2


emerge --info
Portage 2.1.10.49 (hardened/linux/x86, gcc-4.5.3, glibc-2.13-r4, 3.2.1-gentoo-r2 i686)
=================================================================
System uname: Linux-3.2.1-gentoo-r2-i686-Intel-R-_Pentium-R-_CPU_G630_@_2.70GHz-with-gentoo-2.0.3
Timestamp of tree: Mon, 09 Apr 2012 01:15:01 +0000
app-shells/bash:          4.2_p20
dev-lang/python:          3.2.2
dev-util/pkgconfig:       0.26
sys-apps/baselayout:      2.0.3
sys-apps/openrc:          0.9.8.4
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.68
sys-devel/automake:       1.11.1
sys-devel/binutils:       2.21.1-r1
sys-devel/gcc:            4.5.3-r2
sys-devel/gcc-config:     1.5-r2
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82-r1
sys-kernel/linux-headers: 3.1 (virtual/os-headers)
sys-libs/glibc:           2.13-r4
Repositories: gentoo
ACCEPT_KEYWORDS="x86"
ACCEPT_LICENSE="* -@EULA"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2 -march=core2 -pipe -fomit-frame-pointer"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/gconf /etc/gentoo-release /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-O2 -march=core2 -pipe -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
FEATURES="assume-digests binpkg-logs distlocks ebuild-locks fixlafiles news parallel-fetch protect-owned sandbox sfperms strict un                            known-features-warn unmerge-logs unmerge-orphans userfetch"
FFLAGS=""
GENTOO_MIRRORS="http://mirrors.163.com/gentoo/"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --human-read                            able --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY=""
SYNC="rsync://mirrors4.ustc.edu.cn/gentoo-portage/"
USE="acl acpi berkdb bzip2 cli cracklib crypt cups cxx dri emacs gdbm gpm hardened iconv modules mudflap ncurses nls nptl nptlonly                             openmp pam pax_kernel pcre pic pppd python readline session ssh ssl sysfs tcpd urandom x86 zlib" ALSA_CARDS="ali5451 als4000 atii                            xp atiixp-modem bt87x ca0106 cmipci emu10k1 emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 tri                            dent usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks ie                            c958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alia                            s auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_ow                            ner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter header                            s include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack                             vhost_alias" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump" CAMERAS="ptp2" COLLECTD_PLUGINS="                            df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmi                            ntxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate                             tnt ubx" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxor                            b ncurses text" PHP_TARGETS="php5-3" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="apm ark chips cirrus cyrix dummy fbdev glin                            t i128 i740 intel mach64 mga neomagic nsc nv r128 radeon rendition s3 s3virge savage siliconmotion sis sisusb tdfx tga trident tse                            ng v4l vesa via vmware nouveau" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy conditio                            n tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LINGUAS, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PO                            RTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON

[Comment 1 Robin Johnson 2013-01-17 23:54:28 UTC]

# for i in `seq 1 300`; do lvcreate -s vgdata/test -L 8m -n testsnap_`printf %03d $i` ; done ;
...
  Logical volume "testsnap_300" created
# lvs |grep testsnap |wc -l
300