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* [linux-5.4 test] 174684: regressions - FAIL
@ 2022-11-10  2:48 osstest service owner
  2022-11-10  8:18 ` Jan Beulich
  0 siblings, 1 reply; 3+ messages in thread
From: osstest service owner @ 2022-11-10  2:48 UTC (permalink / raw)
  To: xen-devel

flight 174684 linux-5.4 real [real]
http://logs.test-lab.xenproject.org/osstest/logs/174684/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-armhf-armhf-xl-credit2 18 guest-start/debian.repeat fail REGR. vs. 174540

Tests which are failing intermittently (not blocking):
 test-amd64-i386-libvirt-xsm   8 xen-boot         fail in 174638 pass in 174684
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 7 xen-install fail in 174638 pass in 174684
 test-amd64-i386-pair     11 xen-install/dst_host fail in 174638 pass in 174684
 test-armhf-armhf-libvirt-raw 13 guest-start      fail in 174638 pass in 174684
 test-armhf-armhf-xl-rtds     14 guest-start      fail in 174638 pass in 174684
 test-armhf-armhf-xl-credit1  19 guest-start.2    fail in 174646 pass in 174638
 test-amd64-i386-qemuu-rhel6hvm-amd 12 redhat-install fail in 174646 pass in 174684
 test-armhf-armhf-xl-multivcpu 14 guest-start     fail in 174646 pass in 174684
 test-amd64-amd64-xl-qemuu-debianhvm-i386-xsm 12 debian-hvm-install fail in 174646 pass in 174684
 test-armhf-armhf-libvirt-qcow2 13 guest-start    fail in 174646 pass in 174684
 test-armhf-armhf-xl-rtds 18 guest-start/debian.repeat fail in 174646 pass in 174684
 test-armhf-armhf-xl-credit1 18 guest-start/debian.repeat fail in 174672 pass in 174646
 test-amd64-i386-qemuu-rhel6hvm-amd 7 xen-install fail in 174672 pass in 174684
 test-armhf-armhf-xl-credit2  14 guest-start      fail in 174672 pass in 174684
 test-armhf-armhf-xl-credit1  14 guest-start                fail pass in 174672
 test-armhf-armhf-xl-multivcpu 18 guest-start/debian.repeat fail pass in 174672

Tests which did not succeed, but are not blocking:
 test-armhf-armhf-xl-credit1 15 migrate-support-check fail in 174672 never pass
 test-armhf-armhf-xl-credit1 16 saverestore-support-check fail in 174672 never pass
 test-amd64-amd64-xl-qemuu-win7-amd64 19 guest-stop            fail like 174540
 test-amd64-i386-xl-qemut-win7-amd64 19 guest-stop             fail like 174540
 test-amd64-i386-xl-qemuu-win7-amd64 19 guest-stop             fail like 174540
 test-amd64-amd64-xl-qemut-win7-amd64 19 guest-stop            fail like 174540
 test-amd64-amd64-qemuu-nested-amd 20 debian-hvm-install/l1/l2 fail like 174540
 test-amd64-amd64-xl-qemuu-ws16-amd64 19 guest-stop            fail like 174540
 test-amd64-amd64-xl-qemut-ws16-amd64 19 guest-stop            fail like 174540
 test-amd64-i386-xl-qemut-ws16-amd64 19 guest-stop             fail like 174540
 test-armhf-armhf-libvirt     16 saverestore-support-check    fail  like 174540
 test-armhf-armhf-libvirt-raw 15 saverestore-support-check    fail  like 174540
 test-armhf-armhf-libvirt-qcow2 15 saverestore-support-check   fail like 174540
 test-amd64-i386-xl-qemuu-ws16-amd64 19 guest-stop             fail like 174540
 test-amd64-i386-xl-pvshim    14 guest-start                  fail   never pass
 test-amd64-i386-libvirt-xsm  15 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-seattle  15 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-seattle  16 saverestore-support-check    fail   never pass
 test-amd64-amd64-libvirt     15 migrate-support-check        fail   never pass
 test-amd64-i386-libvirt      15 migrate-support-check        fail   never pass
 test-arm64-arm64-xl          15 migrate-support-check        fail   never pass
 test-arm64-arm64-xl          16 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-credit2  15 migrate-support-check        fail   never pass
 test-arm64-arm64-libvirt-xsm 15 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-credit2  16 saverestore-support-check    fail   never pass
 test-arm64-arm64-libvirt-xsm 16 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-xsm      15 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-credit1  15 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-xsm      16 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-credit1  16 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-thunderx 15 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-thunderx 16 saverestore-support-check    fail   never pass
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm 13 migrate-support-check fail never pass
 test-armhf-armhf-xl-credit2  15 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-credit2  16 saverestore-support-check    fail   never pass
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 13 migrate-support-check fail never pass
 test-amd64-i386-libvirt-raw  14 migrate-support-check        fail   never pass
 test-arm64-arm64-libvirt-raw 14 migrate-support-check        fail   never pass
 test-arm64-arm64-libvirt-raw 15 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-vhd      14 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-vhd      15 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-multivcpu 15 migrate-support-check        fail  never pass
 test-armhf-armhf-xl-multivcpu 16 saverestore-support-check    fail  never pass
 test-armhf-armhf-xl-cubietruck 15 migrate-support-check        fail never pass
 test-armhf-armhf-xl-cubietruck 16 saverestore-support-check    fail never pass
 test-armhf-armhf-xl          15 migrate-support-check        fail   never pass
 test-armhf-armhf-xl          16 saverestore-support-check    fail   never pass
 test-amd64-amd64-libvirt-xsm 15 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-vhd 14 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt     15 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt-raw 14 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-arndale  15 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-arndale  16 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-rtds     15 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-rtds     16 saverestore-support-check    fail   never pass
 test-armhf-armhf-libvirt-qcow2 14 migrate-support-check        fail never pass
 test-armhf-armhf-xl-vhd      14 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-vhd      15 saverestore-support-check    fail   never pass

version targeted for testing:
 linux                a0d9384967214783a92973c920092b7251c03e57
baseline version:
 linux                b70bfeb98635040588883503d2760e0f46231491

Last test of basis   174540  2022-10-29 12:41:57 Z   11 days
Failing since        174575  2022-11-01 18:42:39 Z    8 days   15 attempts
Testing same since   174608  2022-11-03 19:46:50 Z    6 days   12 attempts

------------------------------------------------------------
People who touched revisions under test:
  "Darrick J. Wong" <darrick.wong@oracle.com>
  Aaron Conole <aconole@redhat.com>
  Abhinav Kumar <quic_abhinavk@quicinc.com>
  Adrian Hunter <adrian.hunter@intel.com>
  Alexander Aring <aahringo@redhat.com>
  Alexander Stein <alexander.stein@ew.tq-group.com>
  Andrew Morton <akpm@linux-foundation.org>
  Anssi Hannula <anssi.hannula@bitwise.fi>
  Arnaldo Carvalho de Melo <acme@redhat.com>
  Biju Das <biju.das.jz@bp.renesas.com>
  Brian Foster <bfoster@redhat.com>
  Chandan Babu R <chandan.babu@oracle.com>
  Chen Zhongjin <chenzhongjin@huawei.com>
  Chen Zhou <chenzhou10@huawei.com>
  Chris Packham <chris.packham@alliedtelesis.co.nz>
  Christian A. Ehrhardt <lk@c--e.de>
  Darrick J. Wong <darrick.wong@oracle.com>
  Darrick J. Wong <djwong@kernel.org>
  Dave Chinner <dchinner@redhat.com>
  David S. Miller <davem@davemloft.net>
  Demi Marie Obenour <demi@invisiblethingslab.com>
  Dongliang Mu <dzm91@hust.edu.cn>
  Eric Dumazet <edumazet@google.com>
  Florian Fainelli <f.fainelli@gmail.com>
  Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  Guenter Roeck <linux@roeck-us.net>
  Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
  Hannu Hartikainen <hannu@hrtk.in>
  Hans Verkuil <hverkuil-cisco@xs4all.nl>
  Heiko Carstens <hca@linux.ibm.com>
  Helge Deller <deller@gmx.de>
  Hyong Youb Kim <hyonkim@cisco.com>
  Hyunwoo Kim <imv4bel@gmail.com>
  Ilya Maximets <i.maximets@ovn.org>
  Jacob Keller <jacob.e.keller@intel.com>
  Jakub Kicinski <kuba@kernel.org>
  Jan Beulich <jbeulich@suse.com>
  Jason A. Donenfeld <Jason@zx2c4.com>
  Jeff Vanhoof <jdv1029@gmail.com>
  Jens Glathe <jens.glathe@oldschoolsolutions.biz>
  Jimmy Assarsson <extja@kvaser.com>
  Johan Hovold <johan+linaro@kernel.org>
  Jon Hunter <jonathanh@nvidia.com>
  Jon Maloy <jmaloy@redhat.com>
  Jonathan Cameron <Jonathan.Cameron@huawei.com>
  Josh Poimboeuf <jpoimboe@kernel.org>
  Juergen Gross <jgross@suse.com>
  Justin Chen <justinpopo6@gmail.com>
  Konrad Jankowski <konrad0.jankowski@intel.com>
  Kuogee Hsieh <quic_khsieh@quicinc.com>
  Leon Romanovsky <leonro@nvidia.com>
  Linux Kernel Functional Testing <lkft@linaro.org>
  Luiz Capitulino <luizcap@amazon.com>
  M. Vefa Bicakci <m.v.b@runbox.com>
  Marc Kleine-Budde <mkl@pengutronix.de>
  Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
  Mario Limonciello <mario.limonciello@amd.com>
  Mateusz Palczewski <mateusz.palczewski@intel.com>
  Mathias Nyman <mathias.nyman@linux.intel.com>
  Matthew Ma <mahongwei@zeku.com>
  Matti Vaittinen <mazziesaccount@gmail.com>
  Mauro Carvalho Chehab <mchehab@kernel.org>
  Michal Jaron <michalx.jaron@intel.com>
  Mike Kravetz <mike.kravetz@oracle.com>
  Miquel Raynal <miquel.raynal@bootlin.com>
  Nathan Huckleberry <nhuck@google.com>
  Neal Cardwell <ncardwell@google.com>
  Nicolas Dichtel <nicolas.dichtel@6wind.com>
  Oleksij Rempel <o.rempel@pengutronix.de>
  Paolo Abeni <pabeni@redhat.com>
  Peter Zijlstra <peterz@infradead.org>
  Rafael J. Wysocki <rafael.j.wysocki@intel.com>
  Raju Rangoju <Raju.Rangoju@amd.com>
  Randy Dunlap <rdunlap@infradead.org>
  Rik van Riel <riel@surriel.com>
  Saeed Mahameed <saeedm@nvidia.com>
  Sakari Ailus <sakari.ailus@linux.intel.com>
  Sasha Levin <sashal@kernel.org>
  Shreeya Patel <shreeya.patel@collabora.com>
  Slawomir Laba <slawomirx.laba@intel.com>
  Stefan Schmidt <stefan@datenfreihafen.org>
  Steven Rostedt (Google) <rostedt@goodmis.org>
  Sudeep Holla <sudeep.holla@arm.com>
  Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
  Sylwester Dziedziuch <sylwesterx.dziedziuch@intel.com>
  Takashi Iwai <tiwai@suse.de>
  Tariq Toukan <tariqt@nvidia.com>
  Tejun Heo <tj@kernel.org>
  Thinh Nguyen <Thinh.Nguyen@synopsys.com>
  Tom Lendacky <thomas.lendacky@amd.com>
  Tony O'Brien <tony.obrien@alliedtelesis.co.nz>
  Ulf Hansson <ulf.hansson@linaro.org>
  Vasily Gorbik <gor@linux.ibm.com>
  Vineet Gupta <vgupta@kernel.org>
  Vladimir Oltean <vladimir.oltean@nxp.com>
  Wei Yongjun <weiyongjun1@huawei.com>
  Xin Long <lucien.xin@gmail.com>
  Yang Yingliang <yangyingliang@huawei.com>
  Yongqin Liu <yongqin.liu@linaro.org>
  Zhang Changzhong <zhangchangzhong@huawei.com>
  Zhengchao Shao <shaozhengchao@huawei.com>

jobs:
 build-amd64-xsm                                              pass    
 build-arm64-xsm                                              pass    
 build-i386-xsm                                               pass    
 build-amd64                                                  pass    
 build-arm64                                                  pass    
 build-armhf                                                  pass    
 build-i386                                                   pass    
 build-amd64-libvirt                                          pass    
 build-arm64-libvirt                                          pass    
 build-armhf-libvirt                                          pass    
 build-i386-libvirt                                           pass    
 build-amd64-pvops                                            pass    
 build-arm64-pvops                                            pass    
 build-armhf-pvops                                            pass    
 build-i386-pvops                                             pass    
 test-amd64-amd64-xl                                          pass    
 test-amd64-coresched-amd64-xl                                pass    
 test-arm64-arm64-xl                                          pass    
 test-armhf-armhf-xl                                          pass    
 test-amd64-i386-xl                                           pass    
 test-amd64-coresched-i386-xl                                 pass    
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm           pass    
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm            pass    
 test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm        pass    
 test-amd64-i386-xl-qemut-stubdom-debianhvm-amd64-xsm         pass    
 test-amd64-amd64-xl-qemut-debianhvm-i386-xsm                 pass    
 test-amd64-i386-xl-qemut-debianhvm-i386-xsm                  pass    
 test-amd64-amd64-xl-qemuu-debianhvm-i386-xsm                 pass    
 test-amd64-i386-xl-qemuu-debianhvm-i386-xsm                  pass    
 test-amd64-amd64-libvirt-xsm                                 pass    
 test-arm64-arm64-libvirt-xsm                                 pass    
 test-amd64-i386-libvirt-xsm                                  pass    
 test-amd64-amd64-xl-xsm                                      pass    
 test-arm64-arm64-xl-xsm                                      pass    
 test-amd64-i386-xl-xsm                                       pass    
 test-amd64-amd64-qemuu-nested-amd                            fail    
 test-amd64-amd64-xl-pvhv2-amd                                pass    
 test-amd64-i386-qemut-rhel6hvm-amd                           pass    
 test-amd64-i386-qemuu-rhel6hvm-amd                           pass    
 test-amd64-amd64-dom0pvh-xl-amd                              pass    
 test-amd64-amd64-xl-qemut-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemut-debianhvm-amd64                     pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64                     pass    
 test-amd64-i386-freebsd10-amd64                              pass    
 test-amd64-amd64-qemuu-freebsd11-amd64                       pass    
 test-amd64-amd64-qemuu-freebsd12-amd64                       pass    
 test-amd64-amd64-xl-qemuu-ovmf-amd64                         pass    
 test-amd64-i386-xl-qemuu-ovmf-amd64                          pass    
 test-amd64-amd64-xl-qemut-win7-amd64                         fail    
 test-amd64-i386-xl-qemut-win7-amd64                          fail    
 test-amd64-amd64-xl-qemuu-win7-amd64                         fail    
 test-amd64-i386-xl-qemuu-win7-amd64                          fail    
 test-amd64-amd64-xl-qemut-ws16-amd64                         fail    
 test-amd64-i386-xl-qemut-ws16-amd64                          fail    
 test-amd64-amd64-xl-qemuu-ws16-amd64                         fail    
 test-amd64-i386-xl-qemuu-ws16-amd64                          fail    
 test-armhf-armhf-xl-arndale                                  pass    
 test-amd64-amd64-examine-bios                                pass    
 test-amd64-i386-examine-bios                                 pass    
 test-amd64-amd64-xl-credit1                                  pass    
 test-arm64-arm64-xl-credit1                                  pass    
 test-armhf-armhf-xl-credit1                                  fail    
 test-amd64-amd64-xl-credit2                                  pass    
 test-arm64-arm64-xl-credit2                                  pass    
 test-armhf-armhf-xl-credit2                                  fail    
 test-armhf-armhf-xl-cubietruck                               pass    
 test-amd64-amd64-xl-qemuu-dmrestrict-amd64-dmrestrict        pass    
 test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict         pass    
 test-amd64-amd64-examine                                     pass    
 test-arm64-arm64-examine                                     pass    
 test-armhf-armhf-examine                                     pass    
 test-amd64-i386-examine                                      pass    
 test-amd64-i386-freebsd10-i386                               pass    
 test-amd64-amd64-qemuu-nested-intel                          pass    
 test-amd64-amd64-xl-pvhv2-intel                              pass    
 test-amd64-i386-qemut-rhel6hvm-intel                         pass    
 test-amd64-i386-qemuu-rhel6hvm-intel                         pass    
 test-amd64-amd64-dom0pvh-xl-intel                            pass    
 test-amd64-amd64-libvirt                                     pass    
 test-armhf-armhf-libvirt                                     pass    
 test-amd64-i386-libvirt                                      pass    
 test-amd64-amd64-xl-multivcpu                                pass    
 test-armhf-armhf-xl-multivcpu                                fail    
 test-amd64-amd64-pair                                        pass    
 test-amd64-i386-pair                                         pass    
 test-amd64-amd64-libvirt-pair                                pass    
 test-amd64-i386-libvirt-pair                                 pass    
 test-amd64-amd64-xl-pvshim                                   pass    
 test-amd64-i386-xl-pvshim                                    fail    
 test-amd64-amd64-pygrub                                      pass    
 test-armhf-armhf-libvirt-qcow2                               pass    
 test-amd64-amd64-xl-qcow2                                    pass    
 test-arm64-arm64-libvirt-raw                                 pass    
 test-armhf-armhf-libvirt-raw                                 pass    
 test-amd64-i386-libvirt-raw                                  pass    
 test-amd64-amd64-xl-rtds                                     pass    
 test-armhf-armhf-xl-rtds                                     pass    
 test-arm64-arm64-xl-seattle                                  pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64-shadow             pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow              pass    
 test-amd64-amd64-xl-shadow                                   pass    
 test-amd64-i386-xl-shadow                                    pass    
 test-arm64-arm64-xl-thunderx                                 pass    
 test-amd64-amd64-examine-uefi                                pass    
 test-amd64-i386-examine-uefi                                 pass    
 test-amd64-amd64-libvirt-vhd                                 pass    
 test-arm64-arm64-xl-vhd                                      pass    
 test-armhf-armhf-xl-vhd                                      pass    
 test-amd64-i386-xl-vhd                                       pass    


------------------------------------------------------------
sg-report-flight on osstest.test-lab.xenproject.org
logs: /home/logs/logs
images: /home/logs/images

Logs, config files, etc. are available at
    http://logs.test-lab.xenproject.org/osstest/logs

Explanation of these reports, and of osstest in general, is at
    http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README.email;hb=master
    http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README;hb=master

Test harness code can be found at
    http://xenbits.xen.org/gitweb?p=osstest.git;a=summary


Not pushing.

(No revision log; it would be 2244 lines long.)


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [linux-5.4 test] 174684: regressions - FAIL
  2022-11-10  2:48 [linux-5.4 test] 174684: regressions - FAIL osstest service owner
@ 2022-11-10  8:18 ` Jan Beulich
  2022-11-10  8:54   ` Bertrand Marquis
  0 siblings, 1 reply; 3+ messages in thread
From: Jan Beulich @ 2022-11-10  8:18 UTC (permalink / raw)
  To: Julien Grall, Stefano Stabellini, Volodymyr Babchuk, Bertrand Marquis
  Cc: osstest service owner, xen-devel

On 10.11.2022 03:48, osstest service owner wrote:
> flight 174684 linux-5.4 real [real]
> http://logs.test-lab.xenproject.org/osstest/logs/174684/
> 
> Regressions :-(
> 
> Tests which did not succeed and are blocking,
> including tests which could not be run:
>  test-armhf-armhf-xl-credit2 18 guest-start/debian.repeat fail REGR. vs. 174540

This now looks to be failing relatively frequently (about every other flight),
and I'd rather suspect it to point at a hypervisor issue than a Linux one.
Looking at the log I found

(XEN) d5v0: vGICD: unhandled word write 0xffffffff to ICACTIVER0
(XEN) arch/arm/traps.c:1985:d5v1 HSR=0x80000006 pc=00000000 gva=0 gpa=0000000000000000
(XEN) arch/arm/traps.c:1985:d5v1 HSR=0x80000006 pc=0x00000c gva=0xc gpa=0x0000000000000c
(XEN) arch/arm/traps.c:1985:d5v1 HSR=0x80000006 pc=0x00000c gva=0xc gpa=0x0000000000000c

with the last two messages then repeated over and over, many dozen times a
second. Which makes me wonder whether that verbosity alone is causing a
problem.

Jan


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [linux-5.4 test] 174684: regressions - FAIL
  2022-11-10  8:18 ` Jan Beulich
@ 2022-11-10  8:54   ` Bertrand Marquis
  0 siblings, 0 replies; 3+ messages in thread
From: Bertrand Marquis @ 2022-11-10  8:54 UTC (permalink / raw)
  To: Jan Beulich
  Cc: Julien Grall, Stefano Stabellini, Volodymyr Babchuk,
	osstest service owner, xen-devel

Hi Jan,

> On 10 Nov 2022, at 08:18, Jan Beulich <jbeulich@suse.com> wrote:
> 
> On 10.11.2022 03:48, osstest service owner wrote:
>> flight 174684 linux-5.4 real [real]
>> http://logs.test-lab.xenproject.org/osstest/logs/174684/
>> 
>> Regressions :-(
>> 
>> Tests which did not succeed and are blocking,
>> including tests which could not be run:
>> test-armhf-armhf-xl-credit2 18 guest-start/debian.repeat fail REGR. vs. 174540
> 
> This now looks to be failing relatively frequently (about every other flight),
> and I'd rather suspect it to point at a hypervisor issue than a Linux one.
> Looking at the log I found
> 
> (XEN) d5v0: vGICD: unhandled word write 0xffffffff to ICACTIVER0
> (XEN) arch/arm/traps.c:1985:d5v1 HSR=0x80000006 pc=00000000 gva=0 gpa=0000000000000000
> (XEN) arch/arm/traps.c:1985:d5v1 HSR=0x80000006 pc=0x00000c gva=0xc gpa=0x0000000000000c
> (XEN) arch/arm/traps.c:1985:d5v1 HSR=0x80000006 pc=0x00000c gva=0xc gpa=0x0000000000000c
> 
> with the last two messages then repeated over and over, many dozen times a
> second. Which makes me wonder whether that verbosity alone is causing a
> problem.

The 2 messages are not necessarily related.

The first one is a warning and the write is ignored, we see that all the time with Xen in Debug mode during linux boot.

The other traps, with PC at 0xc look like there was an exception in Linux but the register pointing to the exception table is at 0 which means the guest did an exception before it initialised the exception table pointer.

When a guest is going to this kind of error it will loop on this:
- exception
- jump to exception table at 0 + offset depending on exception
- trap in xen because 0 is not mapped and push back the exception to guest
- go back to step 1

Now it could be that the first exception we reported back to guest should not have been reported and the guest falls into this loop after.

Our CI was a bit late compared to staging status until today (due to some servers being down).
I will check what is happening on our side with the last status today on arm32.

Cheers

Bertrand

> 
> Jan



^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-11-10  8:54 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-11-10  2:48 [linux-5.4 test] 174684: regressions - FAIL osstest service owner
2022-11-10  8:18 ` Jan Beulich
2022-11-10  8:54   ` Bertrand Marquis

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