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<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0; background-color:#ffffff;"><span style=" background-color:#ffffff;">Hello,</span></p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0; background-color:#ffffff;"><span style=" background-color:#ffffff;">i have CPU lockup after scheduling a reflink script:</span></p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0; background-color:#ffffff;"><span style=" background-color:#ffffff;">[452296.152056] BUG: soft lockup - CPU#2 stuck for 22s! [kworker/u:2:28128]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155270] Modules linked in: dm_mod xt_tcpudp xt_pkttype xt_LOG xt_limit ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm af_packet nbd blktap blktap2 pciback usbbk xen_scsibk blkbk blkback_pagemap netbk xenbus_be gntdev evtchn ipt_REJECT xt_conntrack iptable_raw xt_CT iptable_filter nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables ip6_tables x_tables openvswitch ocfs2 ocfs2_nodemanager configfs ocfs2_stackglue quota_tree joydev coretemp domctl crc32c_intel ghash_clmulni_intel aesni_intel cryptd aes_x86_64 pcspkr serio_raw usbhid hid i2c_i801 ses enclosure sg iTCO_wdt i2c_core iTCO_vendor_support mlx4_core 8250_pnp i7core_edac ixgbe edac_core ioatdma igb mdio 8250 serial_core button edd autofs4 uhci_hcd ehci_hcd usbcore usb_common processor thermal_sys hwmon scsi_dh_emc scsi_dh_rdac scsi_dh_hp_sw scsi_dh_alua scsi_dh xenblk cdrom xennet ata_generic ata_piix megaraid_sas</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155321] CPU 2 </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155321] Modules linked in: dm_mod xt_tcpudp xt_pkttype xt_LOG xt_limit ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm af_packet nbd blktap blktap2 pciback usbbk xen_scsibk blkbk blkback_pagemap netbk xenbus_be gntdev evtchn ipt_REJECT xt_conntrack iptable_raw xt_CT iptable_filter nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables ip6_tables x_tables openvswitch ocfs2 ocfs2_nodemanager configfs ocfs2_stackglue quota_tree joydev coretemp domctl crc32c_intel ghash_clmulni_intel aesni_intel cryptd aes_x86_64 pcspkr serio_raw usbhid hid i2c_i801 ses enclosure sg iTCO_wdt i2c_core iTCO_vendor_support mlx4_core 8250_pnp i7core_edac ixgbe edac_core ioatdma igb mdio 8250 serial_core button edd autofs4 uhci_hcd ehci_hcd usbcore usb_common processor thermal_sys hwmon scsi_dh_emc scsi_dh_rdac scsi_dh_hp_sw scsi_dh_alua scsi_dh xenblk cdrom xennet ata_generic ata_piix megaraid_sas</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155355] </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155357] Pid: 28128, comm: kworker/u:2 Not tainted 3.4.50-1.g59c41dc-xen #1 Supermicro X8DTN+-F/X8DTN+-F</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155360] RIP: e030:[<ffffffff8020acdd>] [<ffffffff8020acdd>] do_get_write_access+0x7d/0x470</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155370] RSP: e02b:ffff88004b989a20 EFLAGS: 00000246</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155372] RAX: 0000000000000000 RBX: ffff88004d1446d8 RCX: ffff88004ba161c0</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155373] RDX: ffff88004b989a58 RSI: ffff88004d1446d8 RDI: ffff88000ab5f420</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155375] RBP: ffff88003371e7c0 R08: 0000000000000001 R09: 0000000000000000</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155376] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155377] R13: ffff88000ab5f420 R14: 0000000000b6bd6c R15: ffff88004ef460c8</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155383] FS: 00007f5c22aff700(0000) GS:ffff8800fbd00000(0000) knlGS:0000000000000000</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155385] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155386] CR2: 00007fa4e3dc6000 CR3: 00000000e8780000 CR4: 0000000000002660</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155388] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155389] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155391] Process kworker/u:2 (pid: 28128, threadinfo ffff88004b988000, task ffff88004ba161c0)</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155393] Stack:</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155394] ffff8800639420d0 ffff88004b989a58 ffff88004b989a68 ffff8800f45f9800</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155396] 00000000b653e640 ffff88004ba161c0 0000000000000000 ffff88004ba161c0</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155398] 0000000000000000 ffff88004ba161c0 000000504b989c68 ffff88000ab5f420</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155401] Call Trace:</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155410] [<ffffffff8020b219>] jbd2_journal_get_write_access+0x29/0x50</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155439] [<ffffffffa03529ed>] __ocfs2_journal_access+0x1ad/0x360 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155480] [<ffffffffa0324ca0>] ocfs2_remove_btree_range+0x220/0x9b0 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155495] [<ffffffffa0328452>] ocfs2_commit_truncate+0x142/0x520 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155513] [<ffffffffa034e298>] ocfs2_wipe_inode+0x1b8/0xf10 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155543] [<ffffffffa034f1f6>] ocfs2_evict_inode+0x206/0x750 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155564] [<ffffffff8013f87d>] evict+0xbd/0x1d0</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155576] [<ffffffffa032f594>] __ocfs2_drop_dl_inodes.isra.1+0x54/0xa0 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155593] [<ffffffffa0330063>] ocfs2_drop_dl_inodes+0x23/0xd0 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155605] [<ffffffff800497bc>] process_one_work+0x14c/0x410</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155608] [<ffffffff80049e3d>] worker_thread+0x12d/0x360</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155613] [<ffffffff8004e545>] kthread+0x85/0x90</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155619] [<ffffffff8050ce84>] kernel_thread_helper+0x4/0x10</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155621] Code: 4c 24 28 48 83 c0 10 48 89 44 24 10 66 90 4c 8b 3b f0 41 0f ba 2f 02 19 c0 85 c0 74 08 4c 89 ff e8 b9 a8 f4 ff f0 41 0f ba 2f 14 <19> c0 85 c0 0f 85 60 03 00 00 49 8b 07 a8 02 74 55 48 8b 43 28 </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155641] Call Trace:</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155644] [<ffffffff8020b219>] jbd2_journal_get_write_access+0x29/0x50</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155657] [<ffffffffa03529ed>] __ocfs2_journal_access+0x1ad/0x360 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155686] [<ffffffffa0324ca0>] ocfs2_remove_btree_range+0x220/0x9b0 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155701] [<ffffffffa0328452>] ocfs2_commit_truncate+0x142/0x520 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155718] [<ffffffffa034e298>] ocfs2_wipe_inode+0x1b8/0xf10 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155748] [<ffffffffa034f1f6>] ocfs2_evict_inode+0x206/0x750 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155768] [<ffffffff8013f87d>] evict+0xbd/0x1d0</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155779] [<ffffffffa032f594>] __ocfs2_drop_dl_inodes.isra.1+0x54/0xa0 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155796] [<ffffffffa0330063>] ocfs2_drop_dl_inodes+0x23/0xd0 [ocfs2]</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155806] [<ffffffff800497bc>] process_one_work+0x14c/0x410</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155809] [<ffffffff80049e3d>] worker_thread+0x12d/0x360</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155811] [<ffffffff8004e545>] kthread+0x85/0x90</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">[452296.155815] [<ffffffff8050ce84>] kernel_thread_helper+0x4/0x10</span></p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" background-color:#ffffff;">Can you help me to resolve this problem?</span></p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0; background-color:#ffffff;"><span style=" font-family:'dejavu sans'; font-size:10pt; color:#000000; background-color:#ffffff;">-- </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0; background-color:#ffffff;"><span style=" font-family:'dejavu sans'; font-size:10pt; font-weight:600; font-style:italic; color:#000000;">Best regards,</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0; background-color:#ffffff;"><span style=" font-family:'dejavu sans'; font-size:10pt; font-style:italic; color:#000000;">Eugene Istomin</span></p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p></body></html>