Hi, I have a centos 7.1 (with kernel version 3.10.0-229.11.1.el7.x86_64) server running stable for more than 70 days but recently crashed and rebooted automatically. Part of the vmcore-dmesg.txt file which possible related to the crash attached below: [6425317.842246] FS-Cache: Assertion failed [6425317.842263] 0 > 0 is false [6425317.842297] ------------[ cut here ]------------ [6425317.842316] kernel BUG at fs/fscache/operation.c:39! [6425317.842337] invalid opcode: 0000 [#1] SMP [6425317.842356] Modules linked in: usb_storage iptable_filter ip_tables xt_multiport xt_conntrack ipt_REJECT nf_conntrack_ipv4 nf_de frag_ipv4 xt_connlimit nf_conntrack rpcsec_gss_krb5 nfsv4 dns_resolver nfsv3 nfs cachefiles fscache intel_powerclamp coretemp kvm crc t10dif_pclmul crc32_pclmul dm_mirror dm_region_hash crc32c_intel dm_log ghash_clmulni_intel aesni_intel dm_mod lrw gf128mul glue_help er ablk_helper cryptd iTCO_wdt iTCO_vendor_support dcdbas lpc_ich shpchp i7core_edac edac_core pcspkr mfd_core i2c_i801 ioatdma nfsd auth_rpcgss nfs_acl lockd sunrpc ext4 mbcache jbd2 sd_mod crc_t10dif crct10dif_common ast syscopyarea sysfillrect sysimgblt drm_kms_h elper igb ttm drm ptp ahci pps_core libahci dca i2c_algo_bit libata megaraid_sas i2c_core [last unloaded: ip_tables] [6425317.842750] CPU: 22 PID: 31861 Comm: amscore Not tainted 3.10.0-229.11.1.el7.x86_64 #1 [6425317.842795] Hardware name: Dell Inc. C6100 /0D61XP, BIOS 1.70 12/19/2012 [6425317.842841] task: ffff880bf68c0b60 ti: ffff88038aa8c000 task.ti: ffff88038aa8c000 [6425317.842888] RIP: 0010:[<ffffffffa0388bc8>] [<ffffffffa0388bc8>] fscache_enqueue_operation+0x128/0x180 [fscache] [6425317.842956] RSP: 0000:ffff88183fd43c10 EFLAGS: 00010046 [6425317.842990] RAX: 000000000000000e RBX: ffff8814e753e900 RCX: 0000000000000006 [6425317.843035] RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000046 [6425317.843073] RBP: ffff88183fd43c18 R08: 0000000000000096 R09: 000000000000049b [6425317.843101] R10: 0000000000000157 R11: 0000000000000001 R12: ffff880028adb3d0 [6425317.843129] R13: ffff88183ffc5bd8 R14: 0000000000000000 R15: 0000000000000003 [6425317.843157] FS: 00007f1ff3d7a700(0000) GS:ffff88183fd40000(0000) knlGS:0000000000000000 [6425317.843188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [6425317.843211] CR2: 000000002bcc7120 CR3: 0000000e3ddc9000 CR4: 00000000000007e0 [6425317.843239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [6425317.843267] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [6425317.843294] Stack: [6425317.843304] ffff881047d123c0 ffff88183fd43c38 ffffffffa03a1b15 0000000000000000 [6425317.843340] ffff88183ffc5bf0 ffff88183fd43c80 ffffffff810a0758 000000016e242909 [6425317.843375] ffff88183fd43cc8 ffff88183ffc5be8 0000000000000283 0000000000000003 [6425317.843409] Call Trace: [6425317.843421] <IRQ> [6425317.843432] [6425317.843444] [<ffffffffa03a1b15>] cachefiles_read_waiter+0x85/0xd0 [cachefiles] [6425317.843471] [<ffffffff810a0758>] __wake_up_common+0x58/0x90 [6425317.843495] [<ffffffff810a2379>] __wake_up+0x39/0x50 [6425317.843517] [<ffffffff810981e0>] __wake_up_bit+0x40/0x60 [6425317.843541] [<ffffffff81156bcb>] unlock_page+0x2b/0x30 [6425317.843567] [<ffffffff81205dfe>] mpage_end_io+0x3e/0xb0 [6425317.844516] [<ffffffff811fd2cd>] bio_endio+0x1d/0x30 [6425317.845460] [<ffffffff812ad460>] blk_update_request+0x90/0x350 [6425317.846414] [<ffffffff812ad73c>] blk_update_bidi_request+0x1c/0x80 [6425317.847360] [<ffffffff812ada1f>] blk_end_bidi_request+0x1f/0x60 [6425317.848329] [<ffffffff812ada70>] blk_end_request+0x10/0x20 [6425317.849254] [<ffffffff813f9cd8>] scsi_io_completion+0x108/0x650 [6425317.850160] [<ffffffff813eece3>] scsi_finish_command+0xb3/0x110 [6425317.851055] [<ffffffff813f9adf>] scsi_softirq_done+0x12f/0x160 [6425317.851944] [<ffffffff812b3fb0>] blk_done_softirq+0x90/0xc0 [6425317.852836] [<ffffffff81077b2f>] __do_softirq+0xef/0x280 [6425317.853729] [<ffffffff81615b9c>] call_softirq+0x1c/0x30 [6425317.854618] [<ffffffff81015d95>] do_softirq+0x65/0xa0 [6425317.855500] [<ffffffff81077ec5>] irq_exit+0x115/0x120 [6425317.856382] [<ffffffff81041915>] smp_call_function_single_interrupt+0x35/0x40 [6425317.857252] [<ffffffff8161535d>] call_function_single_interrupt+0x6d/0x80 [6425317.858095] <EOI> [6425317.858105] [6425317.858915] [<ffffffff816143ab>] ? sysret_audit+0x17/0x21 [6425317.859707] Code: 38 a0 31 c0 e8 a2 52 27 e1 48 c7 c7 e5 d3 38 a0 31 c0 e8 94 52 27 e1 48 63 73 44 31 d2 48 c7 c7 03 d4 38 a0 31 c0 e8 80 52 27 e1 <0f> 0b 48 c7 c7 e1 d3 38 a0 31 c0 e8 70 52 27 e1 48 c7 c7 e5 d3 [6425317.861380] RIP [<ffffffffa0388bc8>] fscache_enqueue_operation+0x128/0x180 [fscache] [6425317.862172] RSP <ffff88183fd43c10> There is seems to be a kernel update available in centos, version: 3.10.0-327.3.1.el7 . Will this update can resolve my crash issue? Please advise. Thanks, Fernando -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cachefs
