Hi All, I was using the gspca_zc3xx module with kernel 2.6.32-r7 without any problem but webcam does not work since I upgrade to 2.6.34-r1(x 86 stable) My webcam is : A4 tech PK-635M and I am using wxcam (my own ebuild) Also I have tried with kopete and cheese but result is same. I have tried with ubuntu 10.04 (kernel 2.6.32.xxx) and it is working as good. I guess there is a bug in the 2.6.34.xx series? When I run the wxcam with command line I am getting some errors and blank screen(same with kopete and cheese) : Determining video4linux API version... Using video4linux 2 API VIDIOC_ENUM_FRAMESIZES: Invalid argument V4L2_CID_SATURATION is not supported Determining pixel format... pixel format: JPEG Found V4L2_PIX_FMT_JPEG pixel format VIDIOC_DQBUF: Input/output error #emerge --info Portage 2.1.8.3 (default/linux/x86/10.0/desktop, gcc-4.4.3, glibc-2.11.2-r0, 2.6.34-gentoo-r1 i686) ================================================================= System uname: Linux-2.6.34-gentoo-r1-i686-AMD_Athlon-tm-_64_X2_Dual_Core_Processor_3800+-with-gentoo-1.12.13 Timestamp of tree: Fri, 23 Jul 2010 11:45:03 +0000 app-shells/bash: 4.0_p37 dev-java/java-config: 2.1.11 dev-lang/python: 2.6.5-r2, 3.1.2-r3 dev-util/cmake: 2.6.4-r3 sys-apps/baselayout: 1.12.13 sys-apps/sandbox: 1.6-r2 sys-devel/autoconf: 2.13, 2.65 sys-devel/automake: 1.9.6-r3, 1.10.3, 1.11.1 sys-devel/binutils: 2.20.1-r1 sys-devel/gcc: 4.4.3-r2 sys-devel/gcc-config: 1.4.1 sys-devel/libtool: 2.2.6b virtual/os-headers: 2.6.30-r1 ACCEPT_KEYWORDS="x86" ACCEPT_LICENSE="*" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=native -pipe -fomit-frame-pointer" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/X11/xkb" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo" CXXFLAGS="-O2 -march=native -pipe -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FEATURES="assume-digests distlocks fixpackages news parallel-fetch protect-owned sandbox sfperms strict unmerge-logs unmerge-orphans userfetch" GENTOO_MIRRORS="rsync://gentoo.mirrors.tds.net/gentoo http://gentoo.mirrors.tds.net/gentoo" LANG="tr_TR.UTF-8" LDFLAGS="-Wl,-O1" LINGUAS="tr" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/var/lib/layman/roslin /var/lib/layman/gentoo-china /var/lib/layman/steev /var/lib/layman/sunrise /var/lib/layman/jasiu /usr/local/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"