kernel BUG at fs/ext4/namei.c:765!" in dx_insert_block().

Solution Verified - Updated -


  • Kernel crashed with following logs:
------------[ cut here ]------------
kernel BUG at fs/ext4/namei.c:765!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/devices/system/node/node0/meminfo
CPU 3 
Modules linked in: nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs autofs4 ipv6 vsock(U) ppdev parport_pc parport microcode vmware_balloon sg vmci(U) i2c_piix4 shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom vmxnet3 vmw_pvscsi pata_acpi ata_generic ata_piix vmwgfx ttm drm_kms_helper drm i2c_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]

Pid: 11435, comm: ED1_00_BTC_W6 Not tainted 2.6.32-754.3.5.el6.x86_64 #1 VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform
RIP: 0010:[<ffffffffa01ee25a>]  [<ffffffffa01ee25a>] dx_insert_block+0x8a/0xa0 [ext4]
RSP: 0018:ffff880371d7fa68  EFLAGS: 00010206
RAX: 0000000000003030 RBX: ffff8803357c2008 RCX: 0000000077f806ec
RDX: 00000000000001fd RSI: 0000000077f806ec RDI: ffff880371d7fc30
RBP: ffff880371d7faa8 R08: ffff8803357c27e0 R09: 0000000077f806ec
R10: 0000000000000000 R11: ffff8803353bf7fc R12: ffff8803357c27f0
R13: 0000000000003130 R14: ffff8803353bf7e0 R15: 00000000000001fd
FS:  00007fcaf1a99760(0000) GS:ffff880028380000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000c7f84ff0 CR3: 0000000371d80000 CR4: 00000000000007e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process ED1_00_BTC_W6 (pid: 11435, threadinfo ffff880371d7c000, task ffff880371d54ab0)
 77f961e4c3cd2b96 9f492c36d9d26f33 ffff880371d7faa8 ffff880371d7fc60
<d> ffff8803353c0000 ffff88037df2f408 ffff8803353bf7e0 0000000000001000
<d> ffff880371d7fb88 ffffffffa01ee98e ffff880377f806ec ffff8803357c27fc
Call Trace:
 [<ffffffffa01ee98e>] do_split+0x5fe/0x660 [ext4]
 [<ffffffffa01f13be>] ext4_add_entry+0x85e/0x9e0 [ext4]
 [<ffffffffa01e01ff>] ? ext4_htree_store_dirent+0x9f/0x140 [ext4]
 [<ffffffffa01f156e>] ext4_add_nondir+0x2e/0x90 [ext4]
 [<ffffffffa01f181c>] ext4_create+0xfc/0x150 [ext4]
 [<ffffffff811b0f5c>] vfs_create+0xec/0x110
 [<ffffffff811b4dde>] do_filp_open+0xa9e/0xd30
 [<ffffffff812b23fa>] ? strncpy_from_user+0x4a/0x90
 [<ffffffff811c1d55>] ? alloc_fd+0x55/0x160
 [<ffffffff8119e2e7>] do_sys_open+0x67/0x130
 [<ffffffff8119e3f0>] sys_open+0x20/0x30
 [<ffffffff81564357>] system_call_fastpath+0x35/0x3a
Code: 6d 37 0c e1 8b 4d c8 41 89 4c 24 08 45 89 7e 04 66 44 89 6b 02 48 8b 5d d8 4c 8b 65 e0 4c 8b 6d e8 4c 8b 75 f0 4c 8b 7d f8 c9 c3 <0f> 0b eb fe 0f 0b eb fe 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 
RIP  [<ffffffffa01ee25a>] dx_insert_block+0x8a/0xa0 [ext4]
 RSP <ffff880371d7fa68>


  • Red Hat Enterprise Linux 6
  • EXT4

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