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Linux OS: System Crash due to CIFS File Locking (Doc ID 2648866.1)

Last updated on MARCH 23, 2020

Applies to:

Linux OS - Version Oracle Linux 7.5 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64

Symptoms

On : Oracle Linux 7.5 with Unbreakable Enterprise Kernel [4.1.12] version, Linux Kernel

The Server Crashes with the following:
[15119748.413974] Hardware name: Dell Inc. PowerEdge R740/08D89F, BIOS 1.3.7 02/08/2018
[15119748.413977] 0000000000000286 00000000b876dc34 ffff880d43e9b928 ffffffff81748d32
[15119748.413986] 000000000000c0d0 0000000000000000 ffff880d43e9b9b8 ffffffff811a0d1e
[15119748.413993] 0000000000000040 00000000b876dc34 ffff880dfffffff0 ffff8817df0ef000
[15119748.413999] Call Trace:
[15119748.414012] [<ffffffff81748d32>] dump_stack+0x63/0x81
[15119748.414022] [<ffffffff811a0d1e>] warn_alloc_failed+0xfe/0x170
[15119748.414032] [<ffffffff811a4a03>] __alloc_pages_nodemask+0x713/0xa10
[15119748.414042] [<ffffffff811ecf41>] alloc_pages_current+0x91/0x100
[15119748.414050] [<ffffffff811a0f1b>] alloc_kmem_pages+0x3b/0xf0
[15119748.414059] [<ffffffff81022329>] ? sched_clock+0x9/0x10
[15119748.414067] [<ffffffff811bf3b8>] kmalloc_order+0x18/0x50
[15119748.414074] [<ffffffff811bf41a>] kmalloc_order_trace+0x2a/0xd0
[15119748.414083] [<ffffffff811f99a7>] __kmalloc+0x2a7/0x2d0
[15119748.414116] [<ffffffffa0826c92>] cifs_unlock_range+0xd2/0x4e0 [cifs]
[15119748.414139] [<ffffffffa0827491>] cifs_lock+0x3f1/0x12a0 [cifs]
[15119748.414147] [<ffffffff8122ef81>] ? set_fd_set+0x21/0x30
[15119748.414156] [<ffffffff8126f541>] vfs_lock_file+0x21/0x40
[15119748.414162] [<ffffffff8126f82a>] do_lock_file_wait.part.25+0x4a/0xf0
[15119748.414170] [<ffffffff811f8c01>] ? kmem_cache_alloc+0x1a1/0x260
[15119748.414177] [<ffffffff81270e6f>] fcntl_setlk+0x14f/0x2f0
[15119748.414184] [<ffffffff812ceca7>] ? inode_has_perm.isra.36+0x27/0x30
[15119748.414191] [<ffffffff8122d190>] SyS_fcntl+0x340/0x670
[15119748.414199] [<ffffffff81751d26>] ? system_call_after_swapgs+0xf0/0x18e
[15119748.414205] [<ffffffff81751d1f>] ? system_call_after_swapgs+0xe9/0x18e
[15119748.414211] [<ffffffff81751d11>] ? system_call_after_swapgs+0xdb/0x18e
[15119748.414218] [<ffffffff81751ddc>] system_call_fastpath+0x18/0xd6

 

 



Changes

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Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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