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charset=us-ascii Subject: [6.4.0-rc7-next-20230620] Boot failure on IBM Power LPAR Message-Id: Date: Tue, 20 Jun 2023 17:41:57 +0530 Cc: linuxppc-dev To: linux-mm@kvack.org X-Mailer: Apple Mail (2.3731.600.7) X-TM-AS-GCONF: 00 X-Proofpoint-GUID: a4IRcmzYJKqQasBWQC65lfr3_uaCDaf6 X-Proofpoint-ORIG-GUID: a4IRcmzYJKqQasBWQC65lfr3_uaCDaf6 Content-Transfer-Encoding: quoted-printable X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-06-20_07,2023-06-16_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 suspectscore=0 phishscore=0 mlxlogscore=999 lowpriorityscore=0 spamscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306200108 X-Stat-Signature: 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Bc9Lfnf5TlRmi1QPwrXuppyp9CCXDW31CMlXwxOJsz0q5JmJdhghs7+MLo8uEdvSD9bkze0bRRnvGgzNzBho8lXbp7Z47pkcZY78HGrdddosly2HQYF7lP1+G4AAtAAXJUZ9K/zB36odeYC7YJRwizzwBe4Y38fTCxe1fVn9eorKSiWyvRZLTWlwc8w04gjK/EQz32JiJarMxYlwhj/BokaO+JcWUECjei8DyvhYJy0hB1mWBiAM4uQi7t/2jXnyiUTmU9aB3pSmZY3o= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 6.4.0-rc7-next-20230620 fails to boot on IBM Power LPAR with following [ 5.548368] BUG: Unable to handle kernel data access at 0x95bdcf954bc34e73 [ 5.548380] Faulting instruction address: 0xc000000000548090 [ 5.548384] Oops: Kernel access of bad area, sig: 11 [#1] [ 5.548387] LE PAGE_SIZE=3D64K MMU=3DRadix SMP NR_CPUS=3D2048 NUMA pSeries [ 5.548391] Modules linked in: nf_tables(E) nfnetlink(E) sunrpc(E) binfmt_m= isc(E) pseries_rng(E) aes_gcm_p10_crypto(E) drm(E) drm_panel_orientation_qu= irks(E) xfs(E) libcrc32c(E) sd_mod(E) sr_mod(E) t10_pi(E) crc64_rocksoft_ge= neric(E) cdrom(E) crc64_rocksoft(E) crc64(E) sg(E) ibmvscsi(E) scsi_transpo= rt_srp(E) ibmveth(E) vmx_crypto(E) fuse(E) [ 5.548413] CPU: 1 PID: 789 Comm: systemd-udevd Tainted: G E 6.4.0-rc7-next= -20230620 #1 [ 5.548417] Hardware name: IBM,9080-HEX POWER10 (raw) 0x800200 0xf000006 of= :IBM,FW1030.20 (NH1030_058) hv:phyp pSeries [ 5.548421] NIP: c000000000548090 LR: c000000000547fbc CTR: c0000000004206f0 [ 5.548424] REGS: c0000000afb536f0 TRAP: 0380 Tainted: G E (6.4.0-rc7-next-= 20230620) [ 5.548427] MSR: 800000000280b033 CR: 880= 28202 XER: 20040000 [ 5.548436] CFAR: c000000000547fc4 IRQMASK: 0=20 [ 5.548436] GPR00: c000000000547fbc c0000000afb53990 c0000000014b1600 00000= 00000000000=20 [ 5.548436] GPR04: 0000000000000cc0 00000000000034d8 0000000000000e6f ed5e0= 2cab43c21e0=20 [ 5.548436] GPR08: 0000000000000e6e 0000000000000058 0000001356ea0000 00000= 00000002000=20 [ 5.548436] GPR12: c0000000004206f0 c0000013fffff300 0000000000000000 00000= 00000000000=20 [ 5.548436] GPR16: 0000000000000000 0000000000000000 0000000000000000 c0000= 00092f43708=20 [ 5.548436] GPR20: c000000092f436b0 0000000000000000 fffffffffff7dfff c0000= 000afa80000=20 [ 5.548436] GPR24: c000000002b87aa0 00000000000000b8 c000000000159914 00000= 00000000cc0=20 [ 5.548436] GPR28: 95bdcf954bc34e1b c00000000a1fafc0 0000000000000000 c0000= 00003019800=20 [ 5.548473] NIP [c000000000548090] kmem_cache_alloc+0x1a0/0x420 [ 5.548480] LR [c000000000547fbc] kmem_cache_alloc+0xcc/0x420 [ 5.548485] Call Trace: [ 5.548487] [c0000000afb53990] [c000000000547fbc] kmem_cache_alloc+0xcc/0x4= 20 (unreliable) [ 5.548493] [c0000000afb53a00] [c000000000159914] vm_area_dup+0x44/0xf0 [ 5.548499] [c0000000afb53a40] [c00000000015a638] dup_mmap+0x298/0x8b0 [ 5.548504] [c0000000afb53bb0] [c00000000015acd0] dup_mm.constprop.0+0x80/0= x180 [ 5.548509] [c0000000afb53bf0] [c00000000015bdc0] copy_process+0xc00/0x1510 [ 5.548514] [c0000000afb53cb0] [c00000000015c848] kernel_clone+0xb8/0x5a0 [ 5.548519] [c0000000afb53d30] [c00000000015ceb8] __do_sys_clone+0x88/0xd0 [ 5.548524] [c0000000afb53e10] [c000000000033bcc] system_call_exception+0x1= 3c/0x340 [ 5.548529] [c0000000afb53e50] [c00000000000d05c] system_call_vectored_comm= on+0x15c/0x2ec [ 5.548534] --- interrupt: 3000 at 0x7fff87f0c178 [ 5.548538] NIP: 00007fff87f0c178 LR: 0000000000000000 CTR: 0000000000000000 [ 5.548540] REGS: c0000000afb53e80 TRAP: 3000 Tainted: G E (6.4.0-rc7-next-= 20230620) [ 5.548544] MSR: 800000000000f033 CR: 44004204= XER: 00000000 [ 5.548552] IRQMASK: 0=20 [ 5.548552] GPR00: 0000000000000078 00007ffffde8cb80 00007fff88637500 00000= 00001200011=20 [ 5.548552] GPR04: 0000000000000000 0000000000000000 0000000000000000 00007= fff888bd490=20 [ 5.548552] GPR08: 0000000000000001 0000000000000000 0000000000000000 00000= 00000000000=20 [ 5.548552] GPR12: 0000000000000000 00007fff888c4c00 0000000000000002 00007= ffffde95698=20 [ 5.548552] GPR16: 00007ffffde95690 00007ffffde95688 00007ffffde956a0 00000= 00000000028=20 [ 5.548552] GPR20: 0000000132bca308 0000000000000001 0000000000000001 00000= 00000000315=20 [ 5.548552] GPR24: 0000000000000003 0000000000000040 0000000000000000 00000= 00000000003=20 [ 5.548552] GPR28: 0000000000000000 0000000000000000 00007ffffde8cf24 00000= 00000000045=20 [ 5.548586] NIP [00007fff87f0c178] 0x7fff87f0c178 [ 5.548589] LR [0000000000000000] 0x0 [ 5.548591] --- interrupt: 3000 [ 5.548593] Code: e93f0000 7ce95214 e9070008 7f89502a e9270010 2e3c0000 419= 20258 2c290000 41820250 813f0028 e8ff00b8 38c80001 <7fdc482a> 7d3c4a14 7925= 0022 552ac03e=20 [ 5.548605] ---[ end trace 0000000000000000 ]--- [ 5.550849] pstore: backend (nvram) writing error (-1) [ 5.550852]=20 Starting Network Manager... [ 5.566384] BUG: Bad rss-counter state mm:00000000dc60f1c1 type:MM_ANONPAGE= S val:36 [ 5.568784] BUG: Bad rss-counter state mm:000000008eb9341b type:MM_ANONPAGE= S val:36 [ 5.689774] BUG: Bad rss-counter state mm:00000000edbda345 type:MM_ANONPAGE= S val:36 [ 5.692187] BUG: Bad rss-counter state mm:000000003f7ec21f type:MM_ANONPAGE= S val:36 [ 5.705947] BUG: Bad rss-counter state mm:00000000cdbb7cfd type:MM_ANONPAGE= S val:36 [ 6.550855] Kernel panic - not syncing: Fatal exception [ 6.568226] Rebooting in 10 seconds.. The problem was introduced in 6.4.0-rc7-next-20230619. I tried git bisect, = but unsure of the result reported by it. Bisect points to following patch # git bisect bad 70c94cc2eefd4f98d222834cbe7512804977c2d4 is the first bad commit commit 70c94cc2eefd4f98d222834cbe7512804977c2d4 Merge: 48f5ee5c48c3 3fe08f7d5e80 Author: Stephen Rothwell Date: Tue Jun 20 09:43:25 2023 +1000 Merge branch 'mm-everything' of git://git.kernel.org/pub/scm/linux/kern= el/git/akpm/mm # Conflicts: # mm/mmap.c git bisect start # status: waiting for both good and bad commits # bad: [9dbf40840551df336c95ce2a3adbdd25ed53c0ef] Add linux-next specific f= iles for 20230620 git bisect bad 9dbf40840551df336c95ce2a3adbdd25ed53c0ef # status: waiting for good commit(s), bad commit known # good: [45a3e24f65e90a047bef86f927ebdc4c710edaa1] Linux 6.4-rc7 git bisect good 45a3e24f65e90a047bef86f927ebdc4c710edaa1 # bad: [175cde0dcc05c0905adeb55dff5ac49da96552b3] Merge branch 'master' of = git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git git bisect bad 175cde0dcc05c0905adeb55dff5ac49da96552b3 # bad: [d16e40b24a7d258d166fbfe46f0f565a21204df7] Merge branch 'xtensa-for-= next' of git://github.com/jcmvbkbc/linux-xtensa.git git bisect bad d16e40b24a7d258d166fbfe46f0f565a21204df7 # bad: [2be5f21481bf5606654520c19bd016090522f5d4] Merge branch 'for-next' o= f https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl.git git bisect bad 2be5f21481bf5606654520c19bd016090522f5d4 # bad: [1dfd9944d721bef26f49d00220ce86efeb77711d] Merge branch 'for-next' o= f git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git git bisect bad 1dfd9944d721bef26f49d00220ce86efeb77711d # good: [34fd86722257374f73bb6da13a60cc19b0344e99] mm: zswap: remove shrink= from zpool interface git bisect good 34fd86722257374f73bb6da13a60cc19b0344e99 # good: [48f5ee5c48c342bd82fa04eefc8a41048a6165fc] Merge branch 'mm-nonmm-s= table' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm git bisect good 48f5ee5c48c342bd82fa04eefc8a41048a6165fc # good: [dfd058ab9bef3f6590fb349ae1a2dfa7fc3ee50e] mm/gup: do not return 0 = from pin_user_pages_fast() for bad args git bisect good dfd058ab9bef3f6590fb349ae1a2dfa7fc3ee50e # good: [ec336aa83162fe0f3d554baed2d4e2589b69ec6e] scripts/mksysmap: Fix ba= dly escaped '$' git bisect good ec336aa83162fe0f3d554baed2d4e2589b69ec6e # good: [b08e8297596bb6f80351dc50fc1b8c2250d3a318] modpost: show offset fro= m symbol for section mismatch warnings git bisect good b08e8297596bb6f80351dc50fc1b8c2250d3a318 # good: [14b17c0b28bbd853c43d1a815019091497b5b436] watchdog/hardlockup: sor= t hardlockup detector related config values a logical way git bisect good 14b17c0b28bbd853c43d1a815019091497b5b436 # good: [1e5db612cc70f3137aa48978b267afff17eb222d] watchdog/hardlockup: def= ine HARDLOCKUP_DETECTOR_ARCH git bisect good 1e5db612cc70f3137aa48978b267afff17eb222d # good: [3fe08f7d5e80b3f822673b70fcc6be8dbee58f76] Merge branch 'mm-nonmm-u= nstable' into mm-everything git bisect good 3fe08f7d5e80b3f822673b70fcc6be8dbee58f76 # good: [9ac40f75debfcb20c93de71b434ae73add1f692d] linux/export.h: rename '= sec' argument to 'license' git bisect good 9ac40f75debfcb20c93de71b434ae73add1f692d # bad: [70c94cc2eefd4f98d222834cbe7512804977c2d4] Merge branch 'mm-everythi= ng' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm git bisect bad 70c94cc2eefd4f98d222834cbe7512804977c2d4 # first bad commit: [70c94cc2eefd4f98d222834cbe7512804977c2d4] Merge branch= 'mm-everything' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm - Sachin=