[LU-17574] stripe_width() ASSERTION( index < lsm->lsm_entry_count ) failed

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Affects Version/s: Lustre 2.14.0
• Severity: 3
• Assignee: WC Triage
• Reporter: Andreas Dilger

Description

Hit a crash when "lfs mirror" is accessing a file with a suspected bad layout.

stripe_width()) ASSERTION( index < lsm->lsm_entry_count ) failed:
Pid: 795481, comm: lfs 4.18.0-477.27.1.el8_lustre.ddn17.x86_64 #1 SMP Wed Dec 20 09:59:57 UTC 2023
Call Trace:
 libcfs_call_trace+0x6f/0xa0 [libcfs]
 lbug_with_loc+0x3f/0x70 [libcfs]
 stripe_width+0x5a/0x60 [lov]
 lov_stripe_number+0x19/0x40 [lov]
 lov_page_init_composite+0xfe/0x5d0 [lov]
 cl_page_alloc+0x1b6/0x660 [obdclass]
 cl_page_find+0x192/0x240 [obdclass]
 ll_readpage+0x769/0xcd0 [lustre]
 generic_file_buffered_read+0x5dd/0xba0
 vvp_io_read_start+0x55f/0x7b0 [lustre]
 cl_io_start+0x5d/0x110 [obdclass]
 cl_io_loop+0x9a/0x200 [obdclass]
 ll_file_io_generic+0xa5e/0xd70 [lustre]
 ll_file_read_iter+0x8b8/0xb90 [lustre]
 new_sync_read+0x10f/0x160
 vfs_read+0x91/0x150
 ksys_pread64+0x65/0xa0
 do_syscall_64+0x5b/0x1b0

Issue Links

• is duplicated by: LU-16281 append to non-existing component triggers ASSERTION( index < lsm->lsm_entry_count ) failed