Hi Hagbard,

Sorry for the delay.

On 2019/3/27 21:59, Hagbard Celine wrote:
> Hi, this is a long standing bug that I've hit before on older kernels,
> but I was not able to get the syslog saved because of the nature of
> the bug. This time I had booted form a pen-drive, and was able to save
> the log to it's efi-partition.

Now which version of kernel do you use? and do you remember what is your
kernel version when this bug occured at first time?

> What i did to trigger it was to create a partition and format it f2fs,
> then mount it with options:
> "rw,relatime,lazytime,background_gc=on,disable_ext_identify,discard,heap,user_xattr,inline_xattr,acl,inline_data,inline_dentry,flush_merge,data_flush,extent_cache,mode=adaptive,active_logs=6,whint_mode=fs-based,alloc_mode=default,fsync_mode=strict".
> Then I unpacked a big .tar.xz to the partition (I used a
> gentoo-stage3-tarball as I was in process of installing Gentoo).
> 
> Same options just without data_flush gives no problems.
> 
> Syslog from crash follows:
> Mar 20 20:20:34 usbgentoo syslog-ng[3644]: syslog-ng starting up;
> version='3.17.2'
> Mar 20 20:20:34 usbgentoo /usr/sbin/gpm[3674]: *** info
> [daemon/startup.c(136)]:
> Mar 20 20:20:34 usbgentoo /usr/sbin/gpm[3674]: Started gpm
> successfully. Entered daemon mode.
> Mar 20 20:20:34 usbgentoo kernel: ip (3771) used greatest stack depth:
> 12312 bytes left
> Mar 20 20:20:34 usbgentoo dhcpcd[3840]: eth0: waiting for carrier
> Mar 20 20:20:37 usbgentoo kernel: igb 0000:03:00.0 eth0: igb: eth0 NIC
> Link is Up 1000 Mbps Full Duplex, Flow Control: RX
> Mar 20 20:20:37 usbgentoo kernel: IPv6: ADDRCONF(NETDEV_CHANGE): eth0:
> link becomes ready
> Mar 20 20:20:37 usbgentoo dhcpcd[3840]: eth0: carrier acquired
> Mar 20 20:20:38 usbgentoo dhcpcd[3840]: DUID
> 00:01:00:01:24:24:e8:94:d0:50:99:3b:c9:21
> Mar 20 20:20:38 usbgentoo dhcpcd[3840]: eth0: IAID 99:3b:c9:21
> Mar 20 20:20:38 usbgentoo dhcpcd[3840]: eth0: adding address
> fe80::3c99:2bbf:63bb:8354
> Mar 20 20:20:38 usbgentoo dhcpcd[3840]: eth0: rebinding lease of 192.168.1.22
> Mar 20 20:20:38 usbgentoo dhcpcd[3840]: eth0: probing address 192.168.1.22/24
> Mar 20 20:20:39 usbgentoo dhcpcd[3840]: eth0: soliciting an IPv6 router
> Mar 20 20:20:43 usbgentoo dhcpcd[3840]: eth0: leased 192.168.1.22 for
> 86400 seconds
> Mar 20 20:20:43 usbgentoo dhcpcd[3840]: eth0: adding route to 192.168.1.0/24
> Mar 20 20:20:43 usbgentoo dhcpcd[3840]: eth0: adding default route via
> 192.168.1.1
> Mar 20 20:20:43 usbgentoo dhcpcd[3840]: forked to background, child pid 3883
> Mar 20 20:20:48 usbgentoo login[4003]: pam_unix(login:auth):
> authentication failure; logname=LOGIN uid=0 euid=0 tty=/dev/tty1
> ruser= rhost=  user=root
> Mar 20 20:20:51 usbgentoo dhcpcd[3883]: eth0: no IPv6 Routers available
> Mar 20 20:21:06 usbgentoo login[4003]: pam_unix(login:session):
> session opened for user root by LOGIN(uid=0)
> Mar 20 20:21:06 usbgentoo login[4012]: ROOT LOGIN  on '/dev/tty1'
> Mar 20 20:22:30 usbgentoo kernel: EXT4-fs (sdb4): recovery complete
> Mar 20 20:22:30 usbgentoo kernel: EXT4-fs (sdb4): mounted filesystem
> with ordered data mode. Opts: (null)
> Mar 20 20:22:39 usbgentoo kernel: EXT4-fs (sdb5): recovery complete
> Mar 20 20:22:39 usbgentoo kernel: EXT4-fs (sdb5): mounted filesystem
> with ordered data mode. Opts: (null)
> Mar 20 20:22:46 usbgentoo login[4003]: pam_unix(login:session):
> session closed for user root
> Mar 20 20:22:51 usbgentoo login[4025]: pam_unix(login:session):
> session opened for user root by LOGIN(uid=0)
> Mar 20 20:22:51 usbgentoo login[4027]: ROOT LOGIN  on '/dev/tty1'
> Mar 20 20:23:34 usbgentoo login[4004]: pam_unix(login:session):
> session opened for user root by LOGIN(uid=0)
> Mar 20 20:23:34 usbgentoo login[4034]: ROOT LOGIN  on '/dev/tty2'
> Mar 20 20:30:21 usbgentoo kernel: F2FS-fs (nvme0n1p5): Found nat_bits
> in checkpoint
> Mar 20 20:30:22 usbgentoo kernel: F2FS-fs (nvme0n1p5): Mounted with
> checkpoint version = b9e8e7
> Mar 20 20:30:35 usbgentoo login[4025]: pam_unix(login:session):
> session closed for user root
> Mar 20 20:30:42 usbgentoo login[4061]: pam_unix(login:session):
> session opened for user root by LOGIN(uid=0)
> Mar 20 20:30:42 usbgentoo login[4063]: ROOT LOGIN  on '/dev/tty1'
> Mar 20 20:40:31 usbgentoo kernel: Adding 23984124k swap on
> /dev/nvme0n1p6.  Priority:-2 extents:1 across:23984124k SSDsc
> Mar 20 20:54:01 usbgentoo kernel: FAT-fs (nvme0n1p4): Volume was not
> properly unmounted. Some data may be corrupt. Please run fsck.

It looks that there are any other problems in your environment, nvme0n1p4
volume is corrupted.

> Mar 20 21:05:23 usbgentoo kernel: kworker/dying (1588) used greatest
> stack depth: 12064 bytes left
> Mar 20 21:06:40 usbgentoo kernel: BUG: stack guard page was hit at
> 00000000a4b0733c (stack is 0000000056016422..0000000096e7463f)
> Mar 20 21:06:40 usbgentoo kernel: kernel stack overflow

And your kernel stack is overflow....

Thanks,

> (double-fault): 0000 [#1] SMP PTI
> Mar 20 21:06:40 usbgentoo kernel: CPU: 7 PID: 1606 Comm:
> kworker/u16:15 Not tainted 5.0.3-gentoo #6
> Mar 20 21:06:40 usbgentoo kernel: Hardware name: To Be Filled By
> O.E.M. To Be Filled By O.E.M./C226 WS, BIOS P3.40 06/25/2018
> Mar 20 21:06:40 usbgentoo kernel: Workqueue: writeback wb_workfn (flush-259:0)
> Mar 20 21:06:40 usbgentoo kernel: RIP: 0010:f2fs_inode_chksum_verify+0x14/0xc0
> Mar 20 21:06:40 usbgentoo kernel: Code: 00 00 04 0f 45 f0 e9 3b 85 e8
> ff 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 47 48 a8 40 0f 85 9d 00 00
> 00 41 55 41 54 55 48 89 fd <53> 48 89 f3 e8 33 fd ff ff ba 01 00 00 00
> 84 c0 75 09 5b 89 d0 5d
> Mar 20 21:06:40 usbgentoo kernel: RSP: 0018:ffffb3ff4b0f4000 EFLAGS: 00010246
> Mar 20 21:06:40 usbgentoo kernel: RAX: 0000000000000001 RBX:
> ffffd57b5afeaa00 RCX: 0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: RDX: 0000000000000000 RSI:
> ffffd57b5afeaa00 RDI: ffff9341f77f2000
> Mar 20 21:06:40 usbgentoo kernel: RBP: ffff9341f77f2000 R08:
> ffffb3ff4b0f4110 R09: ffff9340bfaa9377
> Mar 20 21:06:40 usbgentoo kernel: R10: ffffb3ff4b0f41a0 R11:
> 00000000fffffff3 R12: 000000000005c712
> Mar 20 21:06:40 usbgentoo kernel: R13: 0000000000000000 R14:
> 0000000000000001 R15: 0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: FS:  0000000000000000(0000)
> GS:ffff9341fefc0000(0000) knlGS:0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
> 0000000080050033
> Mar 20 21:06:40 usbgentoo kernel: CR2: ffffb3ff4b0f3ff8 CR3:
> 000000006320e006 CR4: 00000000003606e0
> Mar 20 21:06:40 usbgentoo kernel: DR0: 0000000000000000 DR1:
> 0000000000000000 DR2: 0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: DR3: 0000000000000000 DR6:
> 00000000fffe0ff0 DR7: 0000000000000400
> Mar 20 21:06:40 usbgentoo kernel: Call Trace:
> Mar 20 21:06:40 usbgentoo kernel:  read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  ? xas_load+0x8/0x50
> Mar 20 21:06:40 usbgentoo kernel:  __get_node_page+0x73/0x2a0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_get_dnode_of_data+0x34e/0x580
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_inline_data+0x5e/0x2a0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x421/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  ? find_get_entries_tag+0x91/0x260
> Mar 20 21:06:40 usbgentoo kernel:  ? 
> get_partial_node.isra.86.part.87+0x2d/0x200
> Mar 20 21:06:40 usbgentoo kernel:  ? mempool_alloc+0x62/0x190
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  ? wait_woken+0x80/0x80
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  ? __switch_to_asm+0x40/0x70
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  ? raid6_avx5122_gen_syndrome+0x151/0x160
> Mar 20 21:06:40 usbgentoo kernel:  ? sbitmap_get+0x71/0x160
> Mar 20 21:06:40 usbgentoo kernel:  ? __sbitmap_queue_get+0x24/0x90
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_verify+0x1d/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  ? read_node_page+0x71/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_dirtied+0x21/0xc0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  __write_data_page+0x4fb/0x690
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_cache_pages+0x1cf/0x460
> Mar 20 21:06:40 usbgentoo kernel:  ? __update_load_avg_cfs_rq+0x1b1/0x220
> Mar 20 21:06:40 usbgentoo kernel:  ? enqueue_task_fair+0x441/0xfd0
> Mar 20 21:06:40 usbgentoo kernel:  ? guard_bio_eod+0x27/0xf0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_data_pages+0x2b3/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? try_to_wake_up+0x52/0x550
> Mar 20 21:06:40 usbgentoo kernel:  do_writepages+0x3c/0xd0
> Mar 20 21:06:40 usbgentoo kernel:  ? nr_blockdev_pages+0xc/0x60
> Mar 20 21:06:40 usbgentoo kernel:  ? si_meminfo+0x3a/0x60
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_available_free_memory+0x29/0x240
> Mar 20 21:06:40 usbgentoo kernel:  ? complete+0x36/0x50
> Mar 20 21:06:40 usbgentoo kernel:  __filemap_fdatawrite_range+0x7c/0xb0
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_sync_dirty_inodes+0xf2/0x200
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs_bg+0x2a3/0x2c0
> Mar 20 21:06:40 usbgentoo kernel:  ? __set_page_dirty_nobuffers+0xcb/0x100
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_balance_fs+0xd6/0x2b0
> Mar 20 21:06:40 usbgentoo kernel:  ? f2fs_inode_chksum_set+0xc/0x40
> Mar 20 21:06:40 usbgentoo kernel:  f2fs_write_inode+0x79/0x1c0
> Mar 20 21:06:40 usbgentoo kernel:  __writeback_single_inode+0x2a1/0x340
> Mar 20 21:06:40 usbgentoo kernel:  ? soft_cursor+0x1b4/0x220
> Mar 20 21:06:40 usbgentoo kernel:  writeback_sb_inodes+0x1d5/0x3e0
> Mar 20 21:06:40 usbgentoo kernel:  __writeback_inodes_wb+0x58/0xa0
> Mar 20 21:06:40 usbgentoo kernel:  wb_writeback+0x250/0x2e0
> Mar 20 21:06:40 usbgentoo kernel:  ? 0xffffffff8c000000
> Mar 20 21:06:40 usbgentoo kernel:  ? cpumask_next+0x16/0x20
> Mar 20 21:06:40 usbgentoo kernel:  wb_workfn+0x2f6/0x3b0
> Mar 20 21:06:40 usbgentoo kernel:  ? __switch_to_asm+0x40/0x70
> Mar 20 21:06:40 usbgentoo kernel:  process_one_work+0x1f5/0x3f0
> Mar 20 21:06:40 usbgentoo kernel:  worker_thread+0x28/0x3c0
> Mar 20 21:06:40 usbgentoo kernel:  ? rescuer_thread+0x330/0x330
> Mar 20 21:06:40 usbgentoo kernel:  kthread+0x10e/0x130
> Mar 20 21:06:40 usbgentoo kernel:  ? kthread_create_on_node+0x60/0x60
> Mar 20 21:06:40 usbgentoo kernel:  ret_from_fork+0x35/0x40
> Mar 20 21:06:40 usbgentoo kernel: Modules linked in: iTCO_wdt efivarfs
> Mar 20 21:06:40 usbgentoo kernel: ---[ end trace 7d32682090ec7829 ]---
> Mar 20 21:06:40 usbgentoo kernel: RIP: 0010:f2fs_inode_chksum_verify+0x14/0xc0
> Mar 20 21:06:40 usbgentoo kernel: Code: 00 00 04 0f 45 f0 e9 3b 85 e8
> ff 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 47 48 a8 40 0f 85 9d 00 00
> 00 41 55 41 54 55 48 89 fd <53> 48 89 f3 e8 33 fd ff ff ba 01 00 00 00
> 84 c0 75 09 5b 89 d0 5d
> Mar 20 21:06:40 usbgentoo kernel: RSP: 0018:ffffb3ff4b0f4000 EFLAGS: 00010246
> Mar 20 21:06:40 usbgentoo kernel: RAX: 0000000000000001 RBX:
> ffffd57b5afeaa00 RCX: 0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: RDX: 0000000000000000 RSI:
> ffffd57b5afeaa00 RDI: ffff9341f77f2000
> Mar 20 21:06:40 usbgentoo kernel: RBP: ffff9341f77f2000 R08:
> ffffb3ff4b0f4110 R09: ffff9340bfaa9377
> Mar 20 21:06:40 usbgentoo kernel: R10: ffffb3ff4b0f41a0 R11:
> 00000000fffffff3 R12: 000000000005c712
> Mar 20 21:06:40 usbgentoo kernel: R13: 0000000000000000 R14:
> 0000000000000001 R15: 0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: FS:  0000000000000000(0000)
> GS:ffff9341fefc0000(0000) knlGS:0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
> 0000000080050033
> Mar 20 21:06:40 usbgentoo kernel: CR2: ffffb3ff4b0f3ff8 CR3:
> 000000006320e006 CR4: 00000000003606e0
> Mar 20 21:06:40 usbgentoo kernel: DR0: 0000000000000000 DR1:
> 0000000000000000 DR2: 0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: DR3: 0000000000000000 DR6:
> 00000000fffe0ff0 DR7: 0000000000000400
> Mar 20 21:06:40 usbgentoo kernel: kworker/u16:15 (1606) used greatest
> stack depth: 8 bytes left
> Mar 20 21:06:40 usbgentoo kernel: WARNING: CPU: 7 PID: 0 at
> kernel/rcu/tree.c:600 rcu_idle_enter+0xe6/0xf0
> Mar 20 21:06:40 usbgentoo kernel: Modules linked in: iTCO_wdt efivarfs
> Mar 20 21:06:40 usbgentoo kernel: CPU: 7 PID: 0 Comm: swapper/7
> Tainted: G      D           5.0.3-gentoo #6
> Mar 20 21:06:40 usbgentoo kernel: Hardware name: To Be Filled By
> O.E.M. To Be Filled By O.E.M./C226 WS, BIOS P3.40 06/25/2018
> Mar 20 21:06:40 usbgentoo kernel: RIP: 0010:rcu_idle_enter+0xe6/0xf0
> Mar 20 21:06:40 usbgentoo kernel: Code: 27 48 8b 45 00 48 8b 7d 08 48
> 83 c5 18 31 c9 45 89 e8 ba 01 00 00 00 4c 89 e6 e8 45 40 d5 00 48 8b
> 45 00 48 85 c0 75 dd eb 86 <0f> 0b e9 42 ff ff ff 0f 1f 00 41 57 41 56
> 41 55 41 54 55 53 48 c7
> Mar 20 21:06:40 usbgentoo kernel: RSP: 0018:ffffb3ff431dfec0 EFLAGS: 00010002
> Mar 20 21:06:40 usbgentoo kernel: RAX: ffff9341fefe14c0 RBX:
> 00000000000214c0 RCX: 0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: RDX: 4000000000000000 RSI:
> 0000000000000348 RDI: ffff9341fefe8120
> Mar 20 21:06:40 usbgentoo kernel: RBP: ffffffff8d592920 R08:
> 000000000002bd5d R09: 0000000000039437
> Mar 20 21:06:40 usbgentoo kernel: R10: ffff9341fefdf9e4 R11:
> ffff9341fefdf9c4 R12: ffff9341fefe8120
> Mar 20 21:06:40 usbgentoo kernel: R13: ffffffff8d4a8a20 R14:
> 0000000000000004 R15: 0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: FS:  0000000000000000(0000)
> GS:ffff9341fefc0000(0000) knlGS:0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
> 0000000080050033
> Mar 20 21:06:40 usbgentoo kernel: CR2: ffffb3ff4b0f3ff8 CR3:
> 000000006320e006 CR4: 00000000003606e0
> Mar 20 21:06:40 usbgentoo kernel: DR0: 0000000000000000 DR1:
> 0000000000000000 DR2: 0000000000000000
> Mar 20 21:06:40 usbgentoo kernel: DR3: 0000000000000000 DR6:
> 00000000fffe0ff0 DR7: 0000000000000400
> Mar 20 21:06:40 usbgentoo kernel: Call Trace:
> Mar 20 21:06:40 usbgentoo kernel:  do_idle+0x193/0x1e0
> Mar 20 21:06:40 usbgentoo kernel:  cpu_startup_entry+0x14/0x20
> Mar 20 21:06:40 usbgentoo kernel:  start_secondary+0x183/0x1b0
> Mar 20 21:06:40 usbgentoo kernel:  secondary_startup_64+0xa4/0xb0
> Mar 20 21:06:40 usbgentoo kernel: ---[ end trace 7d32682090ec782a ]---
> 
> 
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