kvm-unit-tests consistently hang on Arm FVP when booted with
kvm-arm.mode=protected across both 4K and 64K page-size kernel builds.
Running the same tests with kvm-arm.mode=vhe completes successfully.
Anders, bisected and identified the first bad commit as:
066daa8d3bc2694c392e14091978043aed7b1f23
KVM: arm64: Initialize HCRX_EL2 traps in pKVM
Regression Analysis:
- Reproducibility? yes
Test regression: kvm-unit-tests hang on Arm FVP with kvm-arm.mode=protected
Reported-by: Linux Kernel Functional Testing <lkft(a)linaro.org>
Environment:
Platform: Arm FVP base-revc
Kernel: arm64 (tested with 4K and 64K page sizes)
Mode: kvm-arm.mode=protected (hangs) vs kvm-arm.mode=vhe (passes)
Test suite: kvm-unit-tests (./run_tests.sh -a -t -v)
Cmdline args : kvm-arm.mode=protected
Kernel: Mainline master and Linux next master
Test run log:
INFO: running kvm unit tests ...
+ [ True = false ]
+ ./run_tests.sh -a -t -v
+ tee -a /lava-1/0/tests/0_kvm-unit-tests/automated/linux/kvm-unit-tests/output/result_log.txt
TAP version 13
Links:
https://regressions.linaro.org/lkft/linux-mainline-master/v6.17-rc4/lava/kv…https://qa-reports.linaro.org/api/testruns/29720932/log_file/
--
Linaro LKFT
https://lkft.linaro.org
This is the start of the stable review cycle for the 5.4.298 release.
There are 23 patches in this series, all will be posted as a response
to this one. If anyone has any issues with these being applied, please
let me know.
Responses should be made by Thu, 04 Sep 2025 13:19:14 +0000.
Anything received after that time might be too late.
The whole patch series can be found in one patch at:
https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.298-rc…
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
and the diffstat can be found below.
thanks,
greg k-h
-------------
Pseudo-Shortlog of commits:
Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
Linux 5.4.298-rc1
Imre Deak <imre.deak(a)intel.com>
Revert "drm/dp: Change AUX DPCD probe address from DPCD_REV to LANE0_1_STATUS"
Fabio Porcedda <fabio.porcedda(a)gmail.com>
net: usb: qmi_wwan: add Telit Cinterion LE910C4-WWX new compositions
Alex Deucher <alexander.deucher(a)amd.com>
Revert "drm/amdgpu: fix incorrect vm flags to map bo"
Minjong Kim <minbell.kim(a)samsung.com>
HID: hid-ntrig: fix unable to handle page fault in ntrig_report_version()
Ping Cheng <pinglinux(a)gmail.com>
HID: wacom: Add a new Art Pen 2
Qasim Ijaz <qasdev00(a)gmail.com>
HID: asus: fix UAF via HID_CLAIMED_INPUT validation
Thijs Raymakers <thijs(a)raymakers.nl>
KVM: x86: use array_index_nospec with indices that come from guest
Li Nan <linan122(a)huawei.com>
efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare
Eric Dumazet <edumazet(a)google.com>
sctp: initialize more fields in sctp_v6_from_sk()
Rohan G Thomas <rohan.g.thomas(a)altera.com>
net: stmmac: xgmac: Do not enable RX FIFO Overflow interrupts
Alexei Lazar <alazar(a)nvidia.com>
net/mlx5e: Set local Xoff after FW update
Alexei Lazar <alazar(a)nvidia.com>
net/mlx5e: Update and set Xon/Xoff upon port speed set
Alexei Lazar <alazar(a)nvidia.com>
net/mlx5e: Update and set Xon/Xoff upon MTU set
Yeounsu Moon <yyyynoom(a)gmail.com>
net: dlink: fix multicast stats being counted incorrectly
Kuniyuki Iwashima <kuniyu(a)google.com>
atm: atmtcp: Prevent arbitrary write in atmtcp_recv_control().
Christoph Hellwig <hch(a)lst.de>
net/atm: remove the atmdev_ops {get, set}sockopt methods
Luiz Augusto von Dentz <luiz.von.dentz(a)intel.com>
Bluetooth: hci_event: Detect if HCI_EV_NUM_COMP_PKTS is unbalanced
Madhavan Srinivasan <maddy(a)linux.ibm.com>
powerpc/kvm: Fix ifdef to remove build warning
Oscar Maes <oscmaes92(a)gmail.com>
net: ipv4: fix regression in local-broadcast routes
Nikolay Kuratov <kniv(a)yandex-team.ru>
vhost/net: Protect ubufs with rcu read lock in vhost_net_ubuf_put()
Damien Le Moal <dlemoal(a)kernel.org>
scsi: core: sysfs: Correct sysfs attributes access rights
Tengda Wu <wutengda(a)huaweicloud.com>
ftrace: Fix potential warning in trace_printk_seq during ftrace_dump
Randy Dunlap <rdunlap(a)infradead.org>
pinctrl: STMFX: add missing HAS_IOMEM dependency
-------------
Diffstat:
Makefile | 4 +--
arch/powerpc/kernel/kvm.c | 8 ++---
arch/x86/kvm/lapic.c | 3 ++
arch/x86/kvm/x86.c | 7 ++--
drivers/atm/atmtcp.c | 17 +++++++--
drivers/atm/eni.c | 17 ---------
drivers/atm/firestream.c | 2 --
drivers/atm/fore200e.c | 27 ---------------
drivers/atm/horizon.c | 40 ----------------------
drivers/atm/iphase.c | 16 ---------
drivers/atm/lanai.c | 2 --
drivers/atm/solos-pci.c | 2 --
drivers/atm/zatm.c | 16 ---------
drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c | 4 +--
drivers/gpu/drm/drm_dp_helper.c | 2 +-
drivers/hid/hid-asus.c | 8 ++++-
drivers/hid/hid-ntrig.c | 3 ++
drivers/hid/wacom_wac.c | 1 +
drivers/net/ethernet/dlink/dl2k.c | 2 +-
.../ethernet/mellanox/mlx5/core/en/port_buffer.c | 3 +-
.../ethernet/mellanox/mlx5/core/en/port_buffer.h | 12 +++++++
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 19 +++++++++-
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | 4 ---
drivers/net/usb/qmi_wwan.c | 3 ++
drivers/pinctrl/Kconfig | 1 +
drivers/scsi/scsi_sysfs.c | 4 +--
drivers/vhost/net.c | 9 +++--
fs/efivarfs/super.c | 4 +++
include/linux/atmdev.h | 10 +-----
kernel/trace/trace.c | 4 +--
net/atm/common.c | 29 ++++++++--------
net/bluetooth/hci_event.c | 12 ++++++-
net/ipv4/route.c | 10 ++++--
net/sctp/ipv6.c | 2 ++
34 files changed, 129 insertions(+), 178 deletions(-)