Comment # 14 on bug 1160604 from Guillaume GARDET

Happen again today on obs-arm-1 while building
openSUSE:Factory:ARM:Live/JeOS:GNOME-efi.aarch64. This is with kernel
5.7.1-1-default.

Kernel traces:

[ 1768s] [ DEBUG   ]: 01:27:54 | EXEC: [rsync -a -H -X -A --one-file-system
--exclude /image --exclude /.profile --exclude /.kconfig --exclude /.buildenv
--exclude /var/cache/kiwi --exclude /boot/efi/* --exclude /boot/efi/.*
/usr/src/packages/KIWI-oem/build/image-root/
/tmp/kiwi_volumes.6fgf71g3/@/.snapshots/1/snapshot]
[ 1986s] [ 1959.198156] Unable to handle kernel paging request at virtual
address fffffffffffffdc0
[ 1986s] [ 1959.206746] Mem abort info:
[ 1986s] [ 1959.208354]   ESR = 0x96000004
[ 1986s] [ 1959.210177]   EC = 0x25: DABT (current EL), IL = 32 bits
[ 1986s] [ 1959.213101]   SET = 0, FnV = 0
[ 1986s] [ 1959.215869]   EA = 0, S1PTW = 0
[ 1986s] [ 1959.218844] Data abort info:
[ 1986s] [ 1959.224086]   ISV = 0, ISS = 0x00000004
[ 1986s] [ 1959.229306]   CM = 0, WnR = 0
[ 1986s] [ 1959.234868] swapper pgtable: 4k pages, 48-bit VAs,
pgdp=00000000416a2000
[ 1986s] [ 1959.244463] [fffffffffffffdc0] pgd=0000000000000000
[ 1986s] [ 1959.249975] Internal error: Oops: 96000004 [#1] SMP
[ 1986s] [ 1959.254779] Modules linked in: e1000 nls_iso8859_1 nls_cp437 vfat
fat virtio_rng virtio_blk virtio_mmio xfs btrfs blake2b_generic xor xor_neon
raid6_pq libcrc32c reiserfs squashfs fuse dm_snapshot dm_bufio dm_crypt dm_mod
binfmt_misc loop sg
[ 1986s] [ 1959.272691] CPU: 3 PID: 7830 Comm: kworker/u12:8 Not tainted
5.7.1-1-default #1 openSUSE Tumbleweed (unreleased)
[ 1986s] [ 1959.281383] Hardware name: linux,dummy-virt (DT)
[ 1986s] [ 1959.285885] Workqueue: btrfs-delalloc btrfs_work_helper [btrfs]
[ 1986s] [ 1959.291117] pstate: 60000005 (nZCv daif -PAN -UAO)
[ 1986s] [ 1959.295586] pc : submit_compressed_extents+0x54/0x414 [btrfs]
[ 1986s] [ 1959.300917] lr : async_cow_submit+0x68/0xbc [btrfs]
[ 1986s] [ 1959.305298] sp : ffff800018e93c10
[ 1986s] [ 1959.308280] x29: ffff800018e93c20 x28: ffff000057795148 
[ 1986s] [ 1959.312972] x27: ffff800011d5c0a8 x26: ffff000057795130 
[ 1986s] [ 1959.317666] x25: dead000000000100 x24: 0000000000000000 
[ 1986s] [ 1959.322304] x23: ffff000057795108 x22: ffff000057795a48 
[ 1986s] [ 1959.326939] x21: 0000000000000000 x20: ffff000057795108 
[ 1986s] [ 1959.331546] x19: ffff000057795148 x18: 0000000000fffc18 
[ 1986s] [ 1959.336237] x17: 00000000fffffffd x16: 0000000000000803 
[ 1986s] [ 1959.340858] x15: 00000000fffffffe x14: b5845f6418f42f0a 
[ 1986s] [ 1959.345569] x13: 19ad3d2019bd3d0a x12: 0a2e29730226788c 
[ 1986s] [ 1959.350190] x11: 980a19b92dd0d8d9 x10: 70236c6d72654701 
[ 1986s] [ 1959.354841] x9 : ffff800008ef31ec x8 : ffff00005829e000 
[ 1986s] [ 1959.359476] x7 : ffff800011269000 x6 : 0000000000000002 
[ 1986s] [ 1959.364053] x5 : 0000000000000000 x4 : ffff0000f7889518 
[ 1986s] [ 1959.368257] x3 : 0000000000000000 x2 : ffff0000f78892e8 
[ 1986s] [ 1959.371847] x1 : fffffffffffffdc0 x0 : ffff000057795130 
[ 1986s] [ 1959.375286] Call trace:
[ 1986s] [ 1959.377240]  submit_compressed_extents+0x54/0x414 [btrfs]
[ 1986s] [ 1959.381136]  async_cow_submit+0x68/0xbc [btrfs]
[ 1986s] [ 1959.384279]  run_ordered_work+0xc8/0x300 [btrfs]
[ 1986s] [ 1959.387450]  btrfs_work_helper+0x98/0x2a0 [btrfs]
[ 1986s] [ 1959.390466]  process_one_work+0x1e4/0x490
[ 1986s] [ 1959.393172]  worker_thread+0x170/0x440
[ 1986s] [ 1959.395604]  kthread+0x11c/0x120
[ 1986s] [ 1959.397747]  ret_from_fork+0x10/0x18
[ 1986s] [ 1959.400056] Code: d2800001 d10902a1 f90043e1 f94016e0 (f9400038) 
[ 1986s] [ 1959.404102] ---[ end trace 611c9ec75144d130 ]---