[LU-19535] LBUG osc_page_delete teardown failed: -16 and ASSERTION( 0 ) failed

• Type: Bug
• Resolution: Unresolved
• Priority: Medium
• Affects Version/s: Lustre 2.15.7
• Labels: llnl topllnl
• Severity: 3
• Assignee: Zhenyu Xu
• Reporter: Olaf Faaland

Description

From tuolumne1792 console log at 2025-10-27 22:00:36

LustreError: 11-0: lustre5-MDT0001-mdc-ffff962563853000: operation ost_write to node 2054@kfi7 failed: rc = -116
LustreError: 1332900:0:(osc_cache.c:2493:osc_teardown_async_page()) extent 00000000bd10aed5@{[0 -> 1023/4095], [2|0|-|cache|wi|00000000d366ccda], [4849664|7|+|-|00000000ed9f2084|4096|0000000000000000]} trunc at 16.
LustreError: 1332900:0:(osc_cache.c:2493:osc_teardown_async_page()) ### extent: 00000000bd10aed5 ns: lustre5-OST001a-osc-ffff962563853000 lock: 00000000ed9f2084/0x510f0cf1ff98f3ec lrc: 2/0,0 mode: PW/PW res: [0xa00000404:0x51a1cdb:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 65536->94207) gid 0 flags: 0x800020000000000 nid: local remote: 0xf7d7e30b478d514e expref: -99 pid: 1332900 timeout: 0 lvb_type: 1
LustreError: 1332900:0:(osc_page.c:182:osc_page_delete()) page@000000009507c085[2 00000000b01b52fb 5 1 0000000000000000]

LustreError: 1332900:0:(osc_page.c:182:osc_page_delete()) vmpage @0000000007906935 d7ffffc000103d 3:0 ffff961a50666800 16 lru

LustreError: 1332900:0:(osc_page.c:182:osc_page_delete()) osc-page@00000000b84757de 16: 1< 0x845fed 2 + - > 2< 65536 0 4096 0x0 0x420 | 0000000000000000 00000000d2591d8e 00000000d366ccda > 3< 0 0 0 > 4< 0 0 64 1310719 - | - - + - > 5< - - + - | 0 - | 7 - ->

LustreError: 1332900:0:(osc_page.c:182:osc_page_delete()) end page@000000009507c085

LustreError: 1332900:0:(osc_page.c:182:osc_page_delete()) Trying to teardown failed: -16
LustreError: 1332900:0:(osc_page.c:183:osc_page_delete()) ASSERTION( 0 ) failed:
LustreError: 1332900:0:(osc_page.c:183:osc_page_delete()) LBUG
Pid: 1332900, comm: dso 4.18.0-553.74.1.1toss.t4.x86_64 #1 SMP Thu Sep 11 12:12:06 PDT 2025
Call Trace TBD:
[<0>] libcfs_call_trace+0x63/0x90 [libcfs]
[<0>] lbug_with_loc+0x3f/0x70 [libcfs]
[<0>] osc_page_delete+0x4d6/0x4e0 [osc]
[<0>] __cl_page_delete+0x82/0x210 [obdclass]
[<0>] cl_page_delete+0x2a/0xf0 [obdclass]
[<0>] ll_invalidatepage+0x9e/0x180 [lustre]
[<0>] truncate_cleanup_page+0x92/0xb0
[<0>] truncate_inode_pages_range+0x1ca/0x8a0
[<0>] ll_truncate_inode_pages_final+0x18/0xe0 [lustre]
[<0>] ll_delete_inode+0x38/0x150 [lustre]
[<0>] evict+0xd9/0x1b0
[<0>] do_unlinkat+0x267/0x300
[<0>] do_syscall_64+0x5b/0x1a0
[<0>] entry_SYSCALL_64_after_hwframe+0x66/0xcb

We do not have a reproducer at this time, but see it in production intermittently.

Issue Links

• is related to: LU-17364 osc_page_delete LBUG - trying to delete a page under write