So today testing spca5xx I did modprobe ehci-hdc and got full system freeze. Nothing responded any more. Well I booted and now went straight to console and tested modprobe ehci-hdc and the same thing happened. Reproducible: Always Steps to Reproduce: 1. modprobe ehci-hcd on gentoo-sources-2.6.13-r3 2. I tested with camera removed and it had no effect on the freeze Expected Results: It has worked without problems with past kernels. I think I haven't tried ehci-hcd on any of the 2.6.13 series kernels. pena linux # lspci 0000:00:00.0 Host bridge: Silicon Integrated Systems [SiS] 645xx (rev 02) 0000:00:01.0 PCI bridge: Silicon Integrated Systems [SiS] Virtual PCI-to-PCI bridge (AGP) 0000:00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS963 [MuTIOL Media IO] (rev 04) 0000:00:02.1 SMBus: Silicon Integrated Systems [SiS] SiS961/2 SMBus Controller 0000:00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] 0000:00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller (rev 0f) 0000:00:03.1 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller (rev 0f) 0000:00:03.2 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller (rev 0f) 0000:00:03.3 USB Controller: Silicon Integrated Systems [SiS] USB 2.0 Controller 0000:00:09.0 Mass storage controller: Promise Technology, Inc. PDC20375 (SATA150 TX2plus) (rev 02) 0000:00:0b.0 Multimedia audio controller: Cirrus Logic CS 4614/22/24 [CrystalClear SoundFusion Audio Accelerator] (rev 01) 0000:00:0f.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5702X Gigabit Ethernet (rev 02) 0000:01:00.0 VGA compatible controller: nVidia Corporation NV25 [GeForce4 Ti 4600] (rev a3) pena linux # lsusb Bus 003 Device 005: ID 046d:0870 Logitech, Inc. QuickCam Express Bus 003 Device 003: ID 046d:c510 Logitech, Inc. Bus 003 Device 002: ID 0424:a700 Standard Microsystems Corp. Bus 003 Device 001: ID 0000:0000 Bus 002 Device 001: ID 0000:0000 Bus 001 Device 001: ID 0000:0000 pena linux # emerge info Portage 2.0.53_rc5 (default-linux/x86/2005.1, gcc-3.4.4, glibc-2.3.5-r2, 2.6.13-gentoo-r3 i686) ================================================================= System uname: 2.6.13-gentoo-r3 i686 Intel(R) Pentium(R) 4 CPU 2.40GHz Gentoo Base System version 1.12.0_pre8 ccache version 2.4 [enabled] dev-lang/python: 2.3.5, 2.4.2 sys-apps/sandbox: 1.2.13 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1 sys-devel/binutils: 2.16.1 sys-devel/libtool: 1.5.20 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=pentium4 -pipe -mfpmath=sse -ffast-math -fomit-frame-pointer" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/init.d /etc/splash /etc/terminfo /etc/env.d" CXXFLAGS="-O2 -march=pentium4 -pipe -mfpmath=sse -ffast-math -fomit-frame-pointer" DISTDIR="/usr/src/distfiles" FEATURES="autoaddcvs autoconfig ccache cvs distlocks fixpackages sandbox sfperms sign strict" GENTOO_MIRRORS=" http://trumpetti.atm.tut.fi/gentoo http://lame.lut.fi/linux/gentoo " LANG="en_US.utf8" LC_ALL="en_US.utf8" LINGUAS="fi" MAKEOPTS="-j2 -s" PKGDIR="/home/pkg/" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/mnt/checkouts/overlays/betelgeuse /mnt/checkouts/overlays/java" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="x86 X aac acl acpi alsa apm arts audiofile avi bash-completion berkdb bitmap-fonts bluetooth browserplugin bzip2 bzlib cdb cddb cdparanoia cdr crypt cups dbus divx4linux dts dvd dvdr dvdread emboss esd firefox foomaticdb freetype gif gstreamer gtk2 hal java jpeg kde kdeenablefinal libg++ libwww logitech-mouse lzo mad makecheck mikmod mjpeg mmx mmx2 mp3 mpeg ncurses network nptl nptlonly nsplugin nvidia offensive ogg oggvorbis opengl pam pdflib png qt quicktime readline real rtc ruby samba spell sse sse2 ssl subversion svg symlink tcpd theora tiff truetype truetype-fonts type1-fonts unicode usb userlocales vorbis win32codecs xine xml xml2 xv xvid zlib video_cards_nvidia linguas_fi userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LDFLAGS
Same thing happened on vanilla-sources-2.6.14-rc3.
I wonder why I always typo the module name as ehci-hdc.
Please file this as an upstream bug at http://bugzilla.kernel.org and post the new bug URL here.
http://bugzilla.kernel.org/show_bug.cgi?id=5433 Reported. Tested on rc4 and the problem is there with that version too.