[LU-10771] replay-dual test_26: Kernel panic - not syncing: Out of memory and no killable processes

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Affects Version/s: Lustre 2.11.0, Lustre 2.12.0, Lustre 2.10.4
• Severity: 3
• Assignee: WC Triage
• Reporter: Elena Gryaznova

Description

client crashed with Oom on replay-dual test_26 :

[ 2356.360290] Kernel panic - not syncing: Out of memory and no killable processes...

[ 2356.364007] CPU: 0 PID: 4518 Comm: sshd Tainted: G           OE  ------------   3.10.0-327.36.3.el7.x86_64 #1
[ 2356.366755] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 2356.368898]  ffffffff81875010 000000001ad482d4 ffff8800356efa48 ffffffff81636431
[ 2356.371342]  ffff8800356efac8 ffffffff8162fcc0 ffff880000000008 ffff8800356efad8
[ 2356.373793]  ffff8800356efa78 000000001ad482d4 0000000000000000 000000000010000e
[ 2356.376243] Call Trace:
[ 2356.377942]  [<ffffffff81636431>] dump_stack+0x19/0x1b
[ 2356.380028]  [<ffffffff8162fcc0>] panic+0xd8/0x1e7
[ 2356.382064]  [<ffffffff8116da7a>] out_of_memory+0x4ea/0x4f0
[ 2356.384250]  [<ffffffff81173c36>] __alloc_pages_nodemask+0xaa6/0xba0
[ 2356.386525]  [<ffffffff811b4afa>] alloc_pages_current+0xaa/0x170
[ 2356.388740]  [<ffffffff81169437>] __page_cache_alloc+0x97/0xb0
[ 2356.390904]  [<ffffffff8116bc90>] filemap_fault+0x170/0x410
[ 2356.392971]  [<ffffffff81192f5e>] __do_fault+0x7e/0x510
[ 2356.394965]  [<ffffffff811d6195>] ? swap_cgroup_record+0x55/0x80
[ 2356.397139]  [<ffffffff811975b0>] handle_mm_fault+0x5e0/0xf80
[ 2356.399187]  [<ffffffff81642040>] __do_page_fault+0x150/0x450
[ 2356.401203]  [<ffffffff81642403>] trace_do_page_fault+0x43/0x110
[ 2356.403221]  [<ffffffff81641ae9>] do_async_page_fault+0x29/0xe0
[ 2356.405195]  [<ffffffff8163e678>] async_page_fault+0x28/0x30

Issue Links

• duplicates: LU-7372 replay-dual test_26: test failed to respond and timed out