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stelinux
Tux's lil' helper
Tux's lil' helper


Joined: 02 Nov 2004
Posts: 85

PostPosted: Fri Aug 23, 2013 1:44 pm    Post subject: 3.10.7 and tcp_fastretrans_alert Reply with quote

Hi ,
after kernel upgrade I have obtained this error during X session.

Thanks to all.

Code:

Aug 23 15:15:50 stelinux kernel: ------------[ cut here ]------------
Aug 23 15:15:50 stelinux kernel: WARNING: at /usr/src/linux-3.10.7-gentoo/net/ipv4/tcp_input.c:2776 tcp_fastretrans_alert+0xc7c/0xcd0()
Aug 23 15:15:50 stelinux kernel: Modules linked in: nvidia(PO) drm adt7475 hwmon_vid xt_LOG xt_limit xt_length xt_conntrack iptable_filter vboxnetflt(O) vboxnetadp(O) vboxdrv(O) coretemp kvm_intel snd_usb_audio snd_usbmidi_lib usb_storage uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core kvm crc32c_intel firewire_ohci firewire_core mac_hid pcspkr i2c_i801 [last unloaded: drm]
Aug 23 15:15:50 stelinux kernel: CPU: 7 PID: 0 Comm: swapper/7 Tainted: P        W  O 3.10.7-gentoo-r0 #1
Aug 23 15:15:50 stelinux kernel: Hardware name: System manufacturer System Product Name/P6T SE, BIOS 0808    03/08/2010
Aug 23 15:15:50 stelinux kernel: ffffffff815cb5f7 0000000000000000 ffffffff81035a9c ffff880238fe5b00
Aug 23 15:15:50 stelinux kernel: 0000000000000001 0000000000000007 0000000000004120 0000000000000001
Aug 23 15:15:50 stelinux kernel: ffffffff814c5a0c 0000000700000000 0000000000000005 ffff880238fe5b00
Aug 23 15:15:50 stelinux kernel: Call Trace:
Aug 23 15:15:50 stelinux kernel: <IRQ>  [<ffffffff815cb5f7>] ? dump_stack+0xd/0x17
Aug 23 15:15:50 stelinux kernel: [<ffffffff81035a9c>] ? warn_slowpath_common+0x6c/0xa0
Aug 23 15:15:50 stelinux kernel: [<ffffffff814c5a0c>] ? tcp_fastretrans_alert+0xc7c/0xcd0
Aug 23 15:15:50 stelinux kernel: [<ffffffff814c64c7>] ? tcp_ack+0x9b7/0xd90
Aug 23 15:15:50 stelinux kernel: [<ffffffff814c6d51>] ? tcp_rcv_established+0x101/0x650
Aug 23 15:15:50 stelinux kernel: [<ffffffff814d08e6>] ? tcp_v4_do_rcv+0x216/0x4c0
Aug 23 15:15:50 stelinux kernel: [<ffffffff814fbd3e>] ? ipv4_confirm+0x6e/0x100
Aug 23 15:15:50 stelinux kernel: [<ffffffff81494e76>] ? nf_iterate+0x96/0xd0
Aug 23 15:15:50 stelinux kernel: [<ffffffff814d288e>] ? tcp_v4_rcv+0x7ee/0x820
Aug 23 15:15:50 stelinux kernel: [<ffffffff81494f27>] ? nf_hook_slow+0x77/0x150
Aug 23 15:15:50 stelinux kernel: [<ffffffff814ae260>] ? ip_rcv_finish+0x360/0x360
Aug 23 15:15:50 stelinux kernel: [<ffffffff814ae31c>] ? ip_local_deliver_finish+0xbc/0x220
Aug 23 15:15:50 stelinux kernel: [<ffffffff8146c2f7>] ? __netif_receive_skb_core+0x497/0x6b0
Aug 23 15:15:50 stelinux kernel: [<ffffffff8146c714>] ? netif_receive_skb+0x24/0x80
Aug 23 15:15:50 stelinux kernel: [<ffffffff8146e008>] ? napi_gro_receive+0xc8/0x110
Aug 23 15:15:50 stelinux kernel: [<ffffffff8132c514>] ? rtl8169_poll+0x2d4/0x610
Aug 23 15:15:50 stelinux kernel: [<ffffffff8146c9a1>] ? net_rx_action+0x81/0x130
Aug 23 15:15:50 stelinux kernel: [<ffffffff8103cd18>] ? __do_softirq+0xd8/0x1b0
Aug 23 15:15:50 stelinux kernel: [<ffffffff8103cf3e>] ? irq_exit+0x8e/0xb0
Aug 23 15:15:50 stelinux kernel: [<ffffffff81003d2c>] ? do_IRQ+0x5c/0xd0
Aug 23 15:15:50 stelinux kernel: [<ffffffff815d09ea>] ? common_interrupt+0x6a/0x6a
Aug 23 15:15:50 stelinux kernel: <EOI>  [<ffffffff813c73d8>] ? cpuidle_enter_state+0x58/0xe0
Aug 23 15:15:50 stelinux kernel: [<ffffffff813c73d4>] ? cpuidle_enter_state+0x54/0xe0
Aug 23 15:15:50 stelinux kernel: [<ffffffff813c7501>] ? cpuidle_idle_call+0xa1/0x150
Aug 23 15:15:50 stelinux kernel: [<ffffffff8100a169>] ? arch_cpu_idle+0x9/0x30
Aug 23 15:15:50 stelinux kernel: [<ffffffff8106c679>] ? cpu_startup_entry+0x79/0x160
Aug 23 15:15:50 stelinux kernel: ---[ end trace c5d782a4c7c830d4 ]---


my system is:
Code:

Portage 2.1.12.2 (default/linux/amd64/13.0/desktop/kde, gcc-4.6.3, glibc-2.15-r3, 3.10.7-gentoo-r0 x86_64)
=================================================================
System uname: Linux-3.10.7-gentoo-r0-x86_64-Intel-R-_Core-TM-_i7_CPU_950_@_3.07GHz-with-gentoo-2.2
KiB Mem:    12275464 total,   1670980 free
KiB Swap:   11727444 total,  11727444 free
Timestamp of tree: Wed, 21 Aug 2013 21:45:01 +0000
ld ld di GNU (GNU Binutils) 2.23.1
app-shells/bash:          4.2_p45
dev-java/java-config:     2.1.12-r1
dev-lang/python:          2.7.5, 3.2.5-r1
dev-util/cmake:           2.8.10.2-r2
dev-util/pkgconfig:       0.28
sys-apps/baselayout:      2.2
sys-apps/openrc:          0.11.8
sys-apps/sandbox:         2.6-r1
sys-devel/autoconf:       2.13, 2.69
sys-devel/automake:       1.8.5-r4, 1.9.6-r3, 1.10.3, 1.11.6, 1.12.6
sys-devel/binutils:       2.23.1
sys-devel/gcc:            4.6.3
sys-devel/gcc-config:     1.7.3
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82-r4
sys-kernel/linux-headers: 3.7 (virtual/os-headers)
sys-libs/glibc:           2.15-r3
Repositories: gentoo science x-stefano
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="*"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/polkit-1/actions /usr/share/themes/oxygen-gtk/gtk-2.0 /usr/share/themes/oxygen-gtk/gtk-3.0 /var/lib/hsqldb"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/splash /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-march=native -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS="--jobs=4 --load-average=4 --keep-going=y --with-bdeps=y"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://gentoo.wheel.sk/ http://gentoo.mneisen.org/ http://gentoo.inode.at/"
LANG="it_IT.UTF8"
LC_ALL=""
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j4 -l4"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/var/lib/layman/science /var/lib/stefano"
SYNC="rsync://rsync.de.gentoo.org/gentoo-portage"
USE="X Xaw3d a52 aac aalib acl acpi alsa amd64 amr avahi berkdb bluetooth bluray branding bzip2 cairo caps cdda cdr cli consolekit cracklib crypt cups curl cxx dbus declarative dirac directfb djvu dri dts dvd dvdr egl emboss encode exif expat faac faad fam fbcon ffmpeg fftw firefox flac fontconfig fontforge fortran frei0r gdbm gif gles gnutls gpg gphoto2 gpm graphviz gstreamer gtk iconv icu ieee1394 ipv6 jack java jbig jpeg jpeg2k kde kipi lapack latex lcms ldap libcaca libnotify lua lzma mad mmx mng modules mp3 mp4 mpeg mplayer mudflap multilib music mysql ncurses nls nptl ocaml odbc ogg openexr opengl openmp pam pango pch pcre pdf perl phonon plasma png policykit postscript ppds private-headers ps python python3 qt3support qt4 readline reports scanner schroedinger sdl semantic-desktop session slang smp snmp speex spell sqlite sse sse2 ssh ssl ssse3 startup-notification svg swig tcl tcpd theora thumbnail tiff tk truetype udev udisks unicode upower usb v4l v4l2 vdpau vorbis wmf wxwidgets x264 xattr xcb xcomposite xinerama xml xscreensaver xv xvid xvmc zeroconf zlib" ABI_X86="64" ALSA_CARDS="hda-intel" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers 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 author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt 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 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console nlpsolver pdfimport scripting-beanshell scripting-javascript wiki-publisher" LINGUAS="it" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-4" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python3_2 python2_7" RUBY_TARGETS="ruby19 ruby18" USERLAND="GNU" VIDEO_CARDS="nvidia vesa v4l" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CPPFLAGS, CTARGET, INSTALL_MASK, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON

_________________
stelinux on i7 950 12GB 1600 8/8/8
gentoo 10.0/desktop


Last edited by stelinux on Sun Aug 25, 2013 11:19 pm; edited 2 times in total
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stelinux
Tux's lil' helper
Tux's lil' helper


Joined: 02 Nov 2004
Posts: 85

PostPosted: Fri Aug 23, 2013 10:42 pm    Post subject: Reply with quote

I've found the answer:

https://bugzilla.kernel.org/show_bug.cgi?id=60779
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gentoo 10.0/desktop
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nephros
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Joined: 07 Feb 2003
Posts: 2137
Location: Graz, Austria (Europe - no kangaroos.)

PostPosted: Sun Aug 25, 2013 12:42 pm    Post subject: Reply with quote

Here's some better info:

https://bugzilla.redhat.com/show_bug.cgi?id=989251

I have been able to get rid of it using

Code:

sysctl net.ipv4.tcp_early_retrans=2 # default 3
sysctl net.ipv4.tcp_frto=0


BTW, it seems to have been introduced after linux 3.10.5.
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stelinux
Tux's lil' helper
Tux's lil' helper


Joined: 02 Nov 2004
Posts: 85

PostPosted: Mon Aug 26, 2013 8:47 am    Post subject: Reply with quote

Thanks nephros but I've tried but not solve the problem.
Furthermore after 12 h 3.10.7 shows 3.2GB/12GB instead of 3.8.13 that shows 2.6GB/12GB of memory occupation.
I suspected that the problem is not only the tcpfastretrans.

Thanks again
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gentoo 10.0/desktop
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TomWij
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Joined: 04 Jul 2012
Posts: 1363

PostPosted: Mon Aug 26, 2013 12:44 pm    Post subject: Reply with quote

Please file bugs at https://bugs.gentoo.org and the respective upstreams.
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stelinux
Tux's lil' helper
Tux's lil' helper


Joined: 02 Nov 2004
Posts: 85

PostPosted: Mon Aug 26, 2013 4:31 pm    Post subject: Reply with quote

Done but it is my first bug report so be patient with the mistakes.
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gentoo 10.0/desktop
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nephros
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Joined: 07 Feb 2003
Posts: 2137
Location: Graz, Austria (Europe - no kangaroos.)

PostPosted: Mon Oct 28, 2013 11:30 am    Post subject: Reply with quote

FYI, this has been fixed now in linus' tree.

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/net/ipv4/tcp_input.c?id=031afe4990a7c9dbff41a3a742c44d3e740ea0a1

The patch also applies on current 3.10.17 and does fix the problem.
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