Panic in locked_inode_to_wb_and_lock_list
Article ID: 100073318
Updated On:
Description
Error Message
The following stack trace is generated:
PID: 374266 TASK: ffff97b107ce4000 CPU: 67 COMMAND: "kworker/u324:0"
#0 [ffffb441fc257920] machine_kexec at ffffffff8166f353
#1 [ffffb441fc257978] __crash_kexec at ffffffff817baa7a
#2 [ffffb441fc257a38] crash_kexec at ffffffff817bb9b1
#3 [ffffb441fc257a50] oops_end at ffffffff8162d831
#4 [ffffb441fc257a70] no_context at ffffffff81681cf3
#5 [ffffb441fc257ac8] __bad_area_nosemaphore at ffffffff8168206c
#6 [ffffb441fc257b10] do_page_fault at ffffffff81682cf7
#7 [ffffb441fc257b40] page_fault at ffffffff822011ae
[exception RIP: locked_inode_to_wb_and_lock_list+28]
RIP: ffffffff819a2dcc RSP: ffffb441fc257bf8 RFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffff97a586e11800 RDI: ffff979e2e4e64a8
RBP: ffff979e2e4e64a8 R8: ffff97c8ef3f3bb8 R9: 0000000000000398
R10: 000000000000003f R11: 000000000000ba16 R12: ffff979e2e4e6530
R13: ffffb441fc257e20 R14: ffff979e2e4e6598 R15: ffff975e48fd6858
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#8 [ffffb441fc257c18] writeback_sb_inodes at ffffffff819a4428
#9 [ffffb441fc257cf8] __writeback_inodes_wb at ffffffff819a467f
#10 [ffffb441fc257d38] wb_writeback at ffffffff819a493c
#11 [ffffb441fc257dc8] wb_workfn at ffffffff819a5bac
#12 [ffffb441fc257e90] process_one_work at ffffffff817195e3
#13 [ffffb441fc257ed8] worker_thread at ffffffff817197d0
#14 [ffffb441fc257f10] kthread at ffffffff81720e24
#15 [ffffb441fc257f50] ret_from_fork at ffffffff8220028f
Cause
There is a race condition between OS writeback, inode eviction and vxfs lookup.
Resolution
A patch has been released for Infoscale 7.4.2 and the fix will be included in future Infoscale 8.x patches. Contact Arctera support quoting issue 4187407.
Issue/Introduction
