this is what atop shows at mem usage 5 minutes before the crash:
MEM | tot 62.8G | free 198.2M | cache 56.8G | buff 1.4M |
slab 3.5G | shmem 1.1M | vmbal 0.0M | hptot 0.0M |
SWP | tot 3.7G | free 3.2G | | |
| | vmcom 2.8G | vmlim 35.1G |
Greets,
Stefan
Am 07.10.2016 um 09:17 schrieb Wang Xiaoguang:
> 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:
>>>> [<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
