[LU-17314] ASSERTION( !list_empty(&req->rq_srv.sr_timed_list) ) failed:

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Affects Version/s: Lustre 2.15.3
• Severity: 3
• Assignee: Hongchao Zhang
• Reporter: Mahmoud Hanafi

Description

 

We hit LBUG in 2.15.3 it looks like a duplicate of LU-16430. If it is a duplicate can we get a backport to 2.15.3.

 

[4508205.470593] LustreError: 185433:0:(service.c:1330:ptlrpc_at_remove_timed()) ASSERTION( !list_empty(&req->rq_srv.sr_timed_list) ) failed: 
[4508205.483191] LustreError: 185433:0:(service.c:1330:ptlrpc_at_remove_timed()) LBUG
[4508205.491175] Kernel panic - not syncing: LBUG
[4508205.495642] CPU: 33 PID: 185433 Comm: ldlm_cn07_020 Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-477.10.1.el8_lustre.x86_64 #1
[4508205.508843] Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 04/20/2023
[4508205.517587] Call Trace:
[4508205.520219]  dump_stack+0x41/0x60
[4508205.523726]  panic+0xe7/0x2ac
[4508205.526884]  ? ret_from_fork+0x1f/0x40
[4508205.530828]  lbug_with_loc.cold.8+0x18/0x18 [libcfs]
[4508205.536004]  ptlrpc_at_remove_timed+0xc7/0xd0 [ptlrpc]
[4508205.541421]  ptlrpc_server_drop_request+0x11b/0x750 [ptlrpc]
[4508205.547361]  ? _raw_spin_lock+0x1e/0x30
[4508205.551391]  ptlrpc_server_handle_req_in+0x3c1/0x8d0 [ptlrpc]
[4508205.557419]  ptlrpc_main+0xbb9/0x1570 [ptlrpc]
[4508205.562134]  ? ptlrpc_wait_event+0x590/0x590 [ptlrpc]
[4508205.567460]  kthread+0x134/0x150
[4508205.570878]  ? set_kthread_struct+0x50/0x50
[4508205.575257]  ret_from_fork+0x1f/0x40
 

Issue Links

• is related to: LU-16430 ASSERTION( !list_empty(&req->rq_srv.sr_timed_list) ) failed