Hi, once again i got to reboot because of a usb problem. this time i got traces but don't ask for me to fully undestand them. What i understand is that the khubd part of the kernel crashed a few seconds after i unpluged my ipaq. it is not systematic, i do not know how to reproduce, but atm any devices pluged on my USB hub stop working. the list of the modules for which devices were pluged on the hub is : ppp_deflate 6336 0 zlib_deflate 23160 1 ppp_deflate zlib_inflate 22592 1 ppp_deflate iptable_filter 3104 0 ip_tables 18816 1 iptable_filter ppp_async 14560 0 ppp_generic 42292 2 ppp_deflate,ppp_async slhc 7456 1 ppp_generic ipaq 13004 0 usbserial 27172 1 ipaq <-- PDA audio 57696 0 <- mic usb of the webcam snd_usb_audio 76768 1 hci_usb 18368 0 pwcx 88864 1 <-- Philips Web Cam pwc 53008 1 pwcx ehci_hcd 35172 0 ohci_hcd 26628 0 usb device not on the hub : usb_storage 33888 0 <-- DVD-R Hope it can help. Regards, YbbY Reproducible: Couldn't Reproduce Steps to Reproduce: 1. 2. 3. Actual Results: pundit log # emerge info Portage 2.0.50-r9 (default-x86-1.4, gcc-3.3.3, glibc-2.3.3.20040420-r0, 2.6.7-gentoo-r11) ================================================================= System uname: 2.6.7-gentoo-r11 i686 Intel(R) Celeron(R) CPU 2.40GHz Gentoo Base System version 1.4.16 Autoconf: sys-devel/autoconf-2.59-r3 Automake: sys-devel/automake-1.8.3 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-O2 -march=pentium4 -mfpmath=sse -msse2 -mmmx -funroll-loops -fprefetch-loop-arrays -pipe -fPIC" CHOST="i686-pc-linux-gnu" COMPILER="gcc3" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3/share/config /usr/lib/mozilla/defaults/pref /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/init.d /etc/terminfo /etc/env.d" CXXFLAGS="-O2 -march=pentium4 -mfpmath=sse -msse2 -mmmx -funroll-loops -fprefetch-loop-arrays -pipe -fPIC" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache fixpackages sandbox" GENTOO_MIRRORS="http://gentoo.inode.at/ http://194.117.158.30 ftp://gd.tuwien.ac.at/opsys/linux/gentoo/ ftp://gentoo.inode.at/source/ http://gd.tuwien.ac.at/opsys/linux/gentoo/" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="X aalib alsa apache2 apm arts artswrappersuid avi berkdb bluetooth bonobo cdr crypt cups debug dvd dvdr encode esd evo foomaticdb gdbm gif gnome gphoto2 gpm gtk2 gtkhtml imlib irmc java jpeg kde ldap libg++ libwww lirc mad mikmod mmx motif mozilla mpeg mysql ncurses nls nowin oggvorbis opengl oss pam pda pdflib perl png ppds python qt readline samba sdl sis slang spell sse ssl svga tcltk tcpd tetex truetype usb v4l video_cards_sis x86 xml2 xmms xv xvid zlib"
Created attachment 36525 [details] relevant part of /var/log/messages
Created attachment 36531 [details] /var/log/messages anaother strange thing happened to my USB DVD burner : it failed to mount, so i switched it off , find here attached other traces. reboot again....
This looks like an upstream bug as opposed to a gentoo-dev-sources bug. I'd suggest that you attempt to reproduce this on clean development-sources-2.6.9_rc1 or newer, without the pwc and pwcx modules linked in (i.e. try and get your USB DVD to crash the system again). If you compile USB debug and USB storage verbose debug support that may also help. Once you have the newer messages with debug info, I'd suggest you either send a report to linux-usb-devel@lists.sourceforge.net or file a bug at http://bugzilla.kernel.org If you can't reproduce this on a clean development-sources then it may well be a gentoo-dev-sources problem, if this is the case then please reopen this bug.
