Re: [kernel-6.5-bug] with xen-4.18~rc4 on ub-24.04 noble, booting xen domU shows UBSAN errors in blkback & netback drivers

2023-11-06 Thread Pry Mar
:15 PM Pry Mar wrote: > Similar trouble in domU, independent of the dom0 kernel: > > [0.605954] UBSAN: array-index-out-of-bounds in > /build/linux-D15vQj/linux-6.5.0/drivers/block/xen-blkfront.c:1544:3 > [0.605962] index 1 is out of range for type 'blkif_sring_entry [1]'

Re: [kernel-6.5-bug] with xen-4.18~rc4 on ub-24.04 noble, booting xen domU shows UBSAN errors in blkback & netback drivers

2023-11-06 Thread Pry Mar
0-9-generic #9-Ubuntu domU is giving far more trace output. On Mon, Nov 6, 2023 at 11:20 AM Pry Mar wrote: > Hello, > > These 2 errors show in dmesg late in boot process when xen domU launch: > 1) blkback > UBSAN: array-index-out-of-bounds in > /build/linux-D15vQj/linux-6.5.0/

[kernel-6.5-bug] with xen-4.18~rc4 on ub-24.04 noble, booting xen domU shows UBSAN errors in blkback & netback drivers

2023-11-06 Thread Pry Mar
Hello, These 2 errors show in dmesg late in boot process when xen domU launch: 1) blkback UBSAN: array-index-out-of-bounds in /build/linux-D15vQj/linux-6.5.0/drivers/block/xen-blkback/blkback.c:1227:4 2) netback [ 55.209063] UBSAN: array-index-out-of-bounds in /build/linux-D15vQj/linux-6.5.0/d

4.8-unstable: building firmware/hvmloader errors in Bookworm with gcc-12.2

2023-09-14 Thread Pry Mar
Hello, First attempt to build xen-4.18-unstabl in deb12 (Bookworm): /home/mockbuild/pbdeps/xen-4.18~rc0/debian/build/build-utils_amd64/tools/firmware/hvmloader/dsdt_anycpu.asl 9851: Name ( SLT, 0x0 ) Remark 2173 - Creation of named objects within a method is highly ineffic

re: [RESEND] [PATCH] tools/python: Pass linker to Python build process

2020-09-28 Thread Pry Mar
>Unexpectedly the environment variable which needs to be passed is >$LDSHARED and not $LD. Otherwise Python may find the build `ld` instead >of the host `ld`. > >Replace $(LDFLAGS) with $(SHLIB_LDFLAGS) as Python needs shared objects >it can load at runtime, not executables. > >This uses $(CC) ins

Re: Xen Compilation Error on Ubuntu 20.04

2020-04-30 Thread Pry Mar
Hello Ayush Dosaj, https://bugs.launchpad.net/ubuntu/+source/xen/+bug/1851091 see the bug report above ^. As soon as Ubuntu 19.10 went to LZ4 kernel compression this bug appeared. As Stefan Bader reports in his testing, the hypervisor not only crashes, but resets the machine. The same trouble c

Re: [Xen-devel] Xen Release 4.12.2 and Python 3: M4 python_devel module and mkheader.py issues

2020-01-19 Thread Pry Mar
kevin, http://prymar56.org/xen/debian/buster-nmu/4cx/source/xen_4.12.2-1+deb10u1.2.debian.tar.xz debian/patches/misc-0111-tools-xenmon-make-xenmon.py-compatible-with-python-2-.diff debian/patches/misc-0112-xenmon-fix-mixed-tabs-and-spaces.diff debian/patches/misc-0113-tools-python-Python-3-compat

[Xen-devel] [BUG] recent hypervisor in recent ubuntu (19.10+) resets host and legacy boot never starts, EFI works

2019-12-29 Thread Pry Mar
hello, Referencing this report against kernel-5.3 and xen-4.9.2: https://bugs.launchpad.net/ubuntu/+source/xen/+bug/1851091 I see the same behavior with the hypervisor from xen-4.12.x and xen-4.13.0. Using legacy bios, boot never starts and host resets. Adding more: If I copy into Focal /boot th

Re: [Xen-devel] bug: unable to LZ4 decompress ub1910 installer kernel when launching domU

2019-12-04 Thread Pry Mar
On 12/4/19, Jan Beulich wrote: > On 04.12.2019 08:14, Jeremi Piotrowski wrote: >> Any suggestions how to proceed? > > Actually here's a better version (I think). > > Jan > > lz4: refine commit 9143a6c55ef7 for the 64-bit case > > I clearly went too far there: While the LZ4_WILDCOPY() instances ind

[Xen-devel] bug: unable to LZ4 decompress ub1910 installer kernel when launching domU

2019-10-23 Thread Pry Mar
Hello xen-devel, https://paste.debian.net/plain/1109374 shows my traces from a healthy CentOS 8, xen-4.12.1 dom0 when trying to launch a pv install of the newly released ub1910. The source is a block-attached ISO and the kernel/ramdisk was copied off locally. Iso is named, eoan-live-server-amd64

Re: [Xen-devel] booting domU guest as pvh works in xen-4.11.1 but fails in 4.12

2019-04-16 Thread Pry Mar
On 4/16/19, Roger Pau Monné wrote: > On Mon, Apr 15, 2019 at 04:18:57PM -0700, Pry Mar wrote: >> Hello, >> >> https://paste.debian.net/1077718/ >> >> I get a kernel panic as shown in the paste above no matter how I >> launch pvh, with bootloader (pygrub

[Xen-devel] booting domU guest as pvh works in xen-4.11.1 but fails in 4.12

2019-04-15 Thread Pry Mar
Hello, https://paste.debian.net/1077718/ I get a kernel panic as shown in the paste above no matter how I launch pvh, with bootloader (pygrub), kernel direct (4.18+), or pvgrub2 (i386-xen_pvh support). The dom0 here is ub1804, kernel-4.18, and xen-4.12 with debian packages (self built). ~$ sudo

[Xen-devel] xen-4.12~rc1 in ub1804: no vfb objects in pv domU, bug or feature?

2019-01-27 Thread Pry Mar
qemu build config: http://paste.debian.net/plain/1062777/ domU startup trace: http://paste.debian.net/plain/1062768/ This release uses qemu-3.0.0 which has a depends on libxentoolcore. In xen-4.11.1 with qemu-2.11.2 vfb objects (VNC) always worked in pv domU. Only now with qemu-3.x is it failing