[LU-18097] sanity-pcc test_6: FAIL: mmap write data mismatch

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Affects Version/s: Lustre 2.16.0
• Labels: mtg
• Environment: Ubuntu 24.04 client
• Severity: 3
• Assignee: Qian Yingjin
• Reporter: Maloo

Description

This issue was created by maloo for jianyu <[e-mail]>

This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/fc29258e-8e5a-4b28-a13a-9d364a08d28c

test_6 failed with the following error:

Starting copytool 'agt1' on 'onyx-33vm2' with cmdline 'lhsmtool_posix --archive-format=v2 --hsm-root=/mnt/pcc.d6.sanity-pcc/d6.sanity-pcc --daemon --pid-file=/var/run/lhsmtool_posix.pid --archive 2  "/mnt/lustre"'
CMD: onyx-33vm2 lhsmtool_posix --archive-format=v2 --hsm-root=/mnt/pcc.d6.sanity-pcc/d6.sanity-pcc --daemon --pid-file=/var/run/lhsmtool_posix.pid --archive 2  "/mnt/lustre" < /dev/null > "/autotest/autotest-1/2024-07-25/lustre-master_full-part-2_4558_92_c20ef393-2907-4ce6-ad68-9c63ccc315b7//sanity-pcc.test_6.copytool2_log.onyx-33vm2.log" 2>&1
CMD: onyx-33vm2 /usr/sbin/lctl pcc add /mnt/lustre /mnt/pcc.d6.sanity-pcc/d6.sanity-pcc -p projid={100}\ rwid=2\ pccrw=1
CMD: onyx-33vm2 /usr/bin/lfs pcc attach -w -i 2 /mnt/lustre/f6.sanity-pcc
CMD: onyx-33vm2 /usr/bin/lfs pcc state /mnt/lustre/f6.sanity-pcc
CMD: onyx-33vm2 multiop /mnt/lustre/f6.sanity-pcc OSMWUc
CMD: onyx-33vm2 /usr/bin/lfs pcc state /mnt/lustre/f6.sanity-pcc
CMD: onyx-33vm2 mmap_cat /mnt/lustre/f6.sanity-pcc
 sanity-pcc test_6: @@@@@@ FAIL: mmap write data mismatch: 

Test session details:
clients: https://build.whamcloud.com/job/lustre-master/4558 - 6.8.0-35-generic
servers: https://build.whamcloud.com/job/lustre-master/4558 - 5.14.0-427.24.1_lustre.el9.x86_64

<<Please provide additional information about the failure here>>

VVVVVVV DO NOT REMOVE LINES BELOW, Added by Maloo for auto-association VVVVVVV
sanity-pcc test_6 - $'mmap write data mismatch: 001'

Comments

[Peter Jones]

Merged for 2.16

[Gerrit Updater]

"Oleg Drokin <[e-mail]>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/55974/
Subject: LU-18097 pcc: use filemap_write_and_wait() for mmap switch
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: ea4cfe08cfc34a887985741a737ee4c5ae3a6d98

[Andreas Dilger]

This is now the top failing test - 33.5% failures in the past week.

[Gerrit Updater]

"Qian Yingjin <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/55974
Subject: LU-18097 pcc: use filemap_write_and_wait() for mmap switch
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 339debc2b932d21ad017b934f551a281c4a19fbc

[Li Xi]

qian_wc Would you please take a look?

[Nikitas Angelinas]

+1 on master: https://testing.whamcloud.com/test_sets/12777c9b-073b-4124-8df5-69fbc5abe343

[Nikitas Angelinas]

+1 on master: https://testing.whamcloud.com/test_sets/90f995bc-10dc-4e40-a8d0-2723505f672e and https://testing.whamcloud.com/test_sets/aae4b30f-916a-4565-aa26-9e8e7aee751c