On Mon, 2012-02-27 at 10:40 +0800, Ian Kent wrote: > On Mon, 2012-02-27 at 09:46 +0800, Ian Kent wrote: > > Hi all, > > > > Just a heads up for everyone regarding a recent kernel change. > > > > The description from the autofs user space patch describes the issue: > > > > "Kernel 3.3.0 has a patch to allow for the original missdesign of > > the autofs v5 kernel packet. > > > > The problem is that while all the structure fields are alligned > > correctly structure allignment on x86-64 causes the packet size > > to be 4 bytes larger than on x86. So when running an x86 binary > > on an x86-64 install the packet size did not match causing user > > space pipe reads to hang." > > > > If you are an upstream package maintainer and your distro is likley to > > migrate to kernel 3.3.0 or later or you are planning using kernel 3.3.0 > > or later then you will need these patches: > > http://www.kernel.org/pub/linux/daemons/autofs/v5/patches-5.0.7/autofs-5.0.6-add-kernel-verion-check-function.patch > > http://www.kernel.org/pub/linux/daemons/autofs/v5/patches-5.0.7/autofs-5.0.6-allow-for-kernel-packet-size-change.patch > > and, of course, a fix for mistakes I made: > http://www.kernel.org/pub/linux/daemons/autofs/v5/patches-5.0.7/autofs-5.0.6-fix-allow-for-kernel-packet-size-change.patch > > > > > If you use rc kernels and you plan on using 3.3.0-rc5 you will also need > > commit 3c761ea05a8900a907f32b628611873f6bef24b2 from the linus kernel > > tree to fix a compile mistake. And now also, if you are using rc kernels for s390, you'll need commit 048cd4e51d24ebf7f3552226d03c769d6ad91658 as well. > > > > Sorry for the inconvenience. > > Ian > > > -- > To unsubscribe from this list: send the line "unsubscribe autofs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
