Il 08/10/2015 17:58, Andreas Kinzler ha scritto:
Is this still current? I made an interesting observation:
I had no problems with SPICE and vanilla Xen 4.5.1 when using it on
Gentoo with glibc 2.19/gcc 4.6.4.
Segfaults started when I switched to glibc 2.20/gcc 4.9.3 - I did not
change Xen source code at all.
All this might be related to:
https://lists.nongnu.org/archive/html/qemu-devel/2015-06/msg02764.html
Andreas
Thanks for your mail.
The problem I had seems different, I not found the exactly cause but I
solved using newer qemu (2.2 from unstable - now 4.6) with xen 4.5.1.
Big distro I saw already use newer qemu and should be ok.
I still using glibc < 2.20 in my debian servers, this is probably
because I not had your problem but I think that backport the patch you
linked can be useful for solve a qemu crash case, I'll test it in my
next build and if I'll not found regression I'll require the backport
for xen qemu gits.
https://github.com/Fantu/Xen/commits/rebase/m2r-staging
Latest test with regression based on latest stable-4.5, more exactly:
https://github.com/Fantu/Xen/commits/rebase/m2r-testing
Some days ago on same dom0 and domU I tried with latest stable
version (that I use on only 2 production servers for now but I not
saw the regression), more exactly:
https://github.com/Fantu/Xen/commits/rebase/m2r-stable-4.5
Dom0 debian 7 with kernel 3.16 from backports, seabios 1.8.1-2 from
unstable and this xen configure:
./configure --prefix=/usr --disable-blktap1
--disable-qemu-traditional --disable-rombios
--with-system-seabios=/usr/share/seabios/bios-256k.bin
--with-extra-qemuu-configure-args="--enable-spice --enable-usb-redir"
--disable-blktap2
I suppose that there is unexpected case caused by a backports or
missed patch/es to backports from unstable.
I not found with a fast look rilevant patch to try to revert, can
anyone suggest me the more probable point/s for bisect and/or patch
to revert or I must try full bisect 4.5.0->stable-4.5?
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