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 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: >> [<ffffffff813b69c3>] dump_stack+0x63/0x90 >> [<ffffffff810821c6>] warn_slowpath_common+0x86/0xc0 >> [<ffffffff810822ba>] warn_slowpath_null+0x1a/0x20 >> [<ffffffffc05de9a6>] btrfs_free_block_groups+0x346/0x430 [btrfs] >> [<ffffffffc05f0bad>] close_ctree+0x15d/0x330 [btrfs] >> [<ffffffffc05bf409>] btrfs_put_super+0x19/0x20 [btrfs] >> [<ffffffff811c85af>] generic_shutdown_super+0x6f/0x100 >> [<ffffffff811c8652>] kill_anon_super+0x12/0x20 >> [<ffffffffc05c0376>] btrfs_kill_super+0x16/0xa0 [btrfs] >> [<ffffffff811c7ff3>] deactivate_locked_super+0x43/0x70 >> [<ffffffff811c807c>] deactivate_super+0x5c/0x60 >> [<ffffffff811e3b5f>] cleanup_mnt+0x3f/0x90 >> [<ffffffff811e3bf2>] __cleanup_mnt+0x12/0x20 >> [<ffffffff8109dad1>] task_work_run+0x81/0xa0 >> [<ffffffff810021c0>] exit_to_usermode_loop+0xb0/0xc0 >> [<ffffffff81002b44>] syscall_return_slowpath+0xd4/0x130 >> [<ffffffff8169dc0c>] 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: >> [<ffffffff813b69c3>] dump_stack+0x63/0x90 >> [<ffffffff810821c6>] warn_slowpath_common+0x86/0xc0 >> [<ffffffff810822ba>] warn_slowpath_null+0x1a/0x20 >> [<ffffffffc05de9c5>] btrfs_free_block_groups+0x365/0x430 [btrfs] >> [<ffffffffc05f0bad>] close_ctree+0x15d/0x330 [btrfs] >> [<ffffffffc05bf409>] btrfs_put_super+0x19/0x20 [btrfs] >> [<ffffffff811c85af>] generic_shutdown_super+0x6f/0x100 >> [<ffffffff811c8652>] kill_anon_super+0x12/0x20 >> [<ffffffffc05c0376>] btrfs_kill_super+0x16/0xa0 [btrfs] >> [<ffffffff811c7ff3>] deactivate_locked_super+0x43/0x70 >> [<ffffffff811c807c>] deactivate_super+0x5c/0x60 >> [<ffffffff811e3b5f>] cleanup_mnt+0x3f/0x90 >> [<ffffffff811e3bf2>] __cleanup_mnt+0x12/0x20 >> [<ffffffff8109dad1>] task_work_run+0x81/0xa0 >> [<ffffffff810021c0>] exit_to_usermode_loop+0xb0/0xc0 >> [<ffffffff81002b44>] syscall_return_slowpath+0xd4/0x130 >> [<ffffffff8169dc0c>] 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: >> [<ffffffff813b69c3>] dump_stack+0x63/0x90 >> [<ffffffff810821c6>] warn_slowpath_common+0x86/0xc0 >> [<ffffffff810822ba>] warn_slowpath_null+0x1a/0x20 >> [<ffffffffc05de8f1>] btrfs_free_block_groups+0x291/0x430 [btrfs] >> [<ffffffffc05f0bad>] close_ctree+0x15d/0x330 [btrfs] >> [<ffffffffc05bf409>] btrfs_put_super+0x19/0x20 [btrfs] >> [<ffffffff811c85af>] generic_shutdown_super+0x6f/0x100 >> [<ffffffff811c8652>] kill_anon_super+0x12/0x20 >> [<ffffffffc05c0376>] btrfs_kill_super+0x16/0xa0 [btrfs] >> [<ffffffff811c7ff3>] deactivate_locked_super+0x43/0x70 >> [<ffffffff811c807c>] deactivate_super+0x5c/0x60 >> [<ffffffff811e3b5f>] cleanup_mnt+0x3f/0x90 >> [<ffffffff811e3bf2>] __cleanup_mnt+0x12/0x20 >> [<ffffffff8109dad1>] task_work_run+0x81/0xa0 >> [<ffffffff810021c0>] exit_to_usermode_loop+0xb0/0xc0 >> [<ffffffff81002b44>] syscall_return_slowpath+0xd4/0x130 >> [<ffffffff8169dc0c>] 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 majord...@vger.kernel.org >>>>>>>>>> More majordomo info at >>>>>>>>>> http://vger.kernel.org/majordomo-info.html >>>>>>>>>> >>>>>>>>>> >>>>> >>> >>> >> > > > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
