From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([59.151.112.132]:4572 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1754883AbcJGHXR (ORCPT ); Fri, 7 Oct 2016 03:23:17 -0400 Subject: Re: BTRFS: space_info 4 has 18446742286429913088 free, is not full To: Stefan Priebe - Profihost AG , "linux-btrfs@vger.kernel.org" References: <1c94f3b1-b238-6668-7976-c0594f170dfe@profihost.ag> <57EBAAF5.10509@cn.fujitsu.com> <4f91af54-78ae-5c08-3daa-8a0c16210e5f@profihost.ag> <57EBB329.9060009@cn.fujitsu.com> <3e429001-020a-748b-c0c5-85b4091599a1@profihost.ag> <57ECBAE7.5030807@cn.fujitsu.com> <0e556b63-7c85-1e97-00b0-91bfca44e82c@profihost.ag> <57ECBF0D.3050609@cn.fujitsu.com> <85f85ca6-95c0-1394-9b09-93dcc00c2319@profihost.ag> <57F5BF26.9090409@cn.fujitsu.com> <23f37454-e24e-5e50-b5dc-99d16c324686@profihost.ag> From: Wang Xiaoguang Message-ID: <57F74BF3.9070802@cn.fujitsu.com> Date: Fri, 7 Oct 2016 15:17:07 +0800 MIME-Version: 1.0 In-Reply-To: <23f37454-e24e-5e50-b5dc-99d16c324686@profihost.ag> Content-Type: text/plain; charset="utf-8"; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi, On 10/07/2016 03:03 PM, Stefan Priebe - Profihost AG wrote: > Dear Wang, > > can't use v4.8.0 as i always get OOMs and total machine crashes. > > Complete traces with your patch and some more btrfs patches applied (in > the hope in fixes the OOM but it did not): > http://pastebin.com/raw/6vmRSDm1 I didn't see any such OOMs... Can you try holger's tree with my patches. Regards, Xiaoguang Wang > > Greets, > Stefan > Am 06.10.2016 um 05:04 schrieb Wang Xiaoguang: >> Hi, >> >> On 09/29/2016 03:27 PM, Stefan Priebe - Profihost AG wrote: >>> Am 29.09.2016 um 09:13 schrieb Wang Xiaoguang: >>>>>> I found that compress sometime report ENOSPC error even in 4.8-rc8, >>>>>> currently >>>>> I cannot confirm that as i do not have anough space to test this >>>>> without >>>>> compression ;-( But yes i've compression enabled. >>>> I might not get you, my poor english :) >>>> You mean that you only get ENOSPC error when compression is enabled? >>>> >>>> And when compression is not enabled, you do not get ENOSPC error? >>> I can't tell you. I cannot test with compression not enabled. I do not >>> have anough free space on this disk. >> I had just sent two patches to fix false enospc error for compression, >> please have a try, they fix false enospc error in my test environment. >> btrfs: fix false enospc for compression >> btrfs: improve inode's outstanding_extents computation >> >> I apply these two patchs in linux upstream tree, the latest commit >> is 41844e36206be90cd4d962ea49b0abc3612a99d0. >> >> Regards, >> Xiaoguang Wang >> >>>>>> I'm trying to fix it. >>>>> That sounds good but do you also get the >>>>> BTRFS: space_info 4 has 18446742286429913088 free, is not full >>>>> >>>>> kernel messages on umount? if not you might have found another problem. >>>> Yes, I seem similar messages, you can paste you whole dmesg info here. >>> ------------[ cut here ]------------ >>> WARNING: CPU: 2 PID: 5187 at fs/btrfs/extent-tree.c:5790 >>> btrfs_free_block_groups+0x346/0x430 [btrfs]() >>> Modules linked in: netconsole xt_multiport iptable_filter ip_tables >>> x_tables 8021q garp bonding x86_pkg_temp_thermal coretemp kvm_intel kvm >>> irqbypass sb_edac crc32_pclmul edac_core i2c_i801 i40e(O) vxlan >>> ip6_udp_tunnel udp_tunnel shpchp ipmi_si ipmi_msghandler button loop >>> btrfs dm_mod raid10 raid0 multipath linear raid456 async_raid6_recov >>> async_memcpy async_pq async_xor async_tx xor raid6_pq igb i2c_algo_bit >>> i2c_core usbhid raid1 md_mod xhci_pci sg ehci_pci xhci_hcd ehci_hcd >>> sd_mod ahci usbcore ptp libahci usb_common pps_core aacraid >>> CPU: 2 PID: 5187 Comm: umount Tainted: G O 4.4.22+63-ph #1 >>> Hardware name: Supermicro Super Server/X10SRi-F, BIOS 2.0 12/17/2015 >>> 0000000000000000 ffff880fda777d00 ffffffff813b69c3 0000000000000000 >>> ffffffffc067a099 ffff880fda777d38 ffffffff810821c6 0000000000000000 >>> ffff880074bf0a00 ffff88103c10c088 ffff88103c10c000 ffff88103c10c098 >>> Call Trace: >>> [] dump_stack+0x63/0x90 >>> [] warn_slowpath_common+0x86/0xc0 >>> [] warn_slowpath_null+0x1a/0x20 >>> [] btrfs_free_block_groups+0x346/0x430 [btrfs] >>> [] close_ctree+0x15d/0x330 [btrfs] >>> [] btrfs_put_super+0x19/0x20 [btrfs] >>> [] generic_shutdown_super+0x6f/0x100 >>> [] kill_anon_super+0x12/0x20 >>> [] btrfs_kill_super+0x16/0xa0 [btrfs] >>> [] deactivate_locked_super+0x43/0x70 >>> [] deactivate_super+0x5c/0x60 >>> [] cleanup_mnt+0x3f/0x90 >>> [] __cleanup_mnt+0x12/0x20 >>> [] task_work_run+0x81/0xa0 >>> [] exit_to_usermode_loop+0xb0/0xc0 >>> [] syscall_return_slowpath+0xd4/0x130 >>> [] int_ret_from_sys_call+0x25/0x8f >>> ---[ end trace cee6ace13018e13e ]--- >>> ------------[ cut here ]------------ >>> WARNING: CPU: 2 PID: 5187 at fs/btrfs/extent-tree.c:5791 >>> btrfs_free_block_groups+0x365/0x430 [btrfs]() >>> Modules linked in: netconsole xt_multiport iptable_filter ip_tables >>> x_tables 8021q garp bonding x86_pkg_temp_thermal coretemp kvm_intel kvm >>> irqbypass sb_edac crc32_pclmul edac_core i2c_i801 i40e(O) vxlan >>> ip6_udp_tunnel udp_tunnel shpchp ipmi_si ipmi_msghandler button loop >>> btrfs dm_mod raid10 raid0 multipath linear raid456 async_raid6_recov >>> async_memcpy async_pq async_xor async_tx xor raid6_pq igb i2c_algo_bit >>> i2c_core usbhid raid1 md_mod xhci_pci sg ehci_pci xhci_hcd ehci_hcd >>> sd_mod ahci usbcore ptp libahci usb_common pps_core aacraid >>> CPU: 2 PID: 5187 Comm: umount Tainted: G W O 4.4.22+63-ph #1 >>> Hardware name: Supermicro Super Server/X10SRi-F, BIOS 2.0 12/17/2015 >>> 0000000000000000 ffff880fda777d00 ffffffff813b69c3 0000000000000000 >>> ffffffffc067a099 ffff880fda777d38 ffffffff810821c6 0000000000000000 >>> ffff880074bf0a00 ffff88103c10c088 ffff88103c10c000 ffff88103c10c098 >>> Call Trace: >>> [] dump_stack+0x63/0x90 >>> [] warn_slowpath_common+0x86/0xc0 >>> [] warn_slowpath_null+0x1a/0x20 >>> [] btrfs_free_block_groups+0x365/0x430 [btrfs] >>> [] close_ctree+0x15d/0x330 [btrfs] >>> [] btrfs_put_super+0x19/0x20 [btrfs] >>> [] generic_shutdown_super+0x6f/0x100 >>> [] kill_anon_super+0x12/0x20 >>> [] btrfs_kill_super+0x16/0xa0 [btrfs] >>> [] deactivate_locked_super+0x43/0x70 >>> [] deactivate_super+0x5c/0x60 >>> [] cleanup_mnt+0x3f/0x90 >>> [] __cleanup_mnt+0x12/0x20 >>> [] task_work_run+0x81/0xa0 >>> [] exit_to_usermode_loop+0xb0/0xc0 >>> [] syscall_return_slowpath+0xd4/0x130 >>> [] int_ret_from_sys_call+0x25/0x8f >>> ---[ end trace cee6ace13018e13f ]--- >>> ------------[ cut here ]------------ >>> WARNING: CPU: 2 PID: 5187 at fs/btrfs/extent-tree.c:10151 >>> btrfs_free_block_groups+0x291/0x430 [btrfs]() >>> Modules linked in: netconsole xt_multiport iptable_filter ip_tables >>> x_tables 8021q garp bonding x86_pkg_temp_thermal coretemp kvm_intel kvm >>> irqbypass sb_edac crc32_pclmul edac_core i2c_i801 i40e(O) vxlan >>> ip6_udp_tunnel udp_tunnel shpchp ipmi_si ipmi_msghandler button loop >>> btrfs dm_mod raid10 raid0 multipath linear raid456 async_raid6_recov >>> async_memcpy async_pq async_xor async_tx xor raid6_pq igb i2c_algo_bit >>> i2c_core usbhid raid1 md_mod xhci_pci sg ehci_pci xhci_hcd ehci_hcd >>> sd_mod ahci usbcore ptp libahci usb_common pps_core aacraid >>> CPU: 2 PID: 5187 Comm: umount Tainted: G W O 4.4.22+63-ph #1 >>> Hardware name: Supermicro Super Server/X10SRi-F, BIOS 2.0 12/17/2015 >>> 0000000000000000 ffff880fda777d00 ffffffff813b69c3 0000000000000000 >>> ffffffffc067a099 ffff880fda777d38 ffffffff810821c6 ffff880074bf0000 >>> ffff880074bf0088 ffff880074bf0df8 ffff88103c10c000 0000000000000000 >>> Call Trace: >>> [] dump_stack+0x63/0x90 >>> [] warn_slowpath_common+0x86/0xc0 >>> [] warn_slowpath_null+0x1a/0x20 >>> [] btrfs_free_block_groups+0x291/0x430 [btrfs] >>> [] close_ctree+0x15d/0x330 [btrfs] >>> [] btrfs_put_super+0x19/0x20 [btrfs] >>> [] generic_shutdown_super+0x6f/0x100 >>> [] kill_anon_super+0x12/0x20 >>> [] btrfs_kill_super+0x16/0xa0 [btrfs] >>> [] deactivate_locked_super+0x43/0x70 >>> [] deactivate_super+0x5c/0x60 >>> [] cleanup_mnt+0x3f/0x90 >>> [] __cleanup_mnt+0x12/0x20 >>> [] task_work_run+0x81/0xa0 >>> [] exit_to_usermode_loop+0xb0/0xc0 >>> [] syscall_return_slowpath+0xd4/0x130 >>> [] int_ret_from_sys_call+0x25/0x8f >>> ---[ end trace cee6ace13018e140 ]--- >>> BTRFS: space_info 4 has 18446742182612910080 free, is not full >>> BTRFS: space_info total=82678120448, used=64784695296, pinned=0, >>> reserved=0, may_use=1908990066688, readonly=0 >>> >>> Greets, >>> Stefan >>> >>>> Regards, >>>> Xiaoguang Wang >>>> >>>>> Stefan >>>>> >>>>>> Regards, >>>>>> Xiaoguang Wang >>>>>> >>>>>>> I tried hard to reproduce it but i can't get it to reproduce with a >>>>>>> test >>>>>>> script. Any ideas? >>>>>>> >>>>>>> Stefan >>>>>>> >>>>>>>> Reagrds, >>>>>>>> Xiaoguang Wang >>>>>>>> >>>>>>>>> Greets, >>>>>>>>> Stefan >>>>>>>>> >>>>>>>>>> Regards, >>>>>>>>>> Xiaoguang Wang >>>>>>>>>>> Greets, >>>>>>>>>>> Stefan >>>>>>>>>>> -- >>>>>>>>>>> To unsubscribe from this list: send the line "unsubscribe >>>>>>>>>>> linux-btrfs" in >>>>>>>>>>> the body of a message to majordomo@vger.kernel.org >>>>>>>>>>> More majordomo info at >>>>>>>>>>> http://vger.kernel.org/majordomo-info.html >>>>>>>>>>> >>>>>>>>>>> >>>> >> >> >