Comment 1 for bug 1891288

Ah, earlier on boot I'm seeing:
[ 8.808508] virtio_blk virtio3: [vda] 209715200 512-byte logical blocks (107 GB/100 GiB)
[ 8.808649] ------------[ cut here ]------------
[ 8.815777] vda: detected capacity change from 0 to 107374182400
[ 8.816623] WARNING: CPU: 3 PID: 212 at mm/page_alloc.c:4813 __alloc_pages_nodemask+0x540/0x694
[ 8.816630] Modules linked in: net_failover virtio_blk(+) xhci_pci_renesas virtio_scsi(+) failover fjes(-) aes_neon_bs aes_neon_blk aes_ce_blk crypto_s
imd cryptd aes_ce_cipher
[ 8.837701] CPU: 3 PID: 212 Comm: systemd-udevd Not tainted 5.8.0-8-generic #9
[ 8.842236] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
[ 8.846585] pstate: 20400005 (nzCv daif +PAN -UAO BTYPE=--)
[ 8.850112] pc : __alloc_pages_nodemask+0x540/0x694
[ 8.853106] lr : alloc_pages_current+0xe0/0x17c
[ 8.856024] sp : ffff8000106138c0
[ 8.858175] x29: ffff8000106138c0 x28: ffff000170252dc0
[ 8.861565] x27: 0000000000000000 x26: 0000000000000015
[ 8.865006] x25: 00000001abcfef80 x24: 0000000000000015
[ 8.868466] x23: ffff000170252dc0 x22: 0000000000000000
[ 8.871794] x21: ffffdb2796703050 x20: 0000000000040dc0
[ 8.875143] x19: ffffdb2796703250 x18: 0000000000000000
[ 8.878529] x17: 0000000000000000 x16: 0000000000000000
[ 8.881917] x15: 0000000000000000 x14: 73656a662f74656e
[ 8.885218] x13: 2f73726576697264 x12: 2f636972656e6567
[ 8.888554] x11: 2d646c6975622f64 x10: 6c6975622f6e6169
[ 8.892032] x9 : ffffdb2792b6dfa4 x8 : 63672e7366677562
[ 8.895415] x7 : 65645f73656a662f x6 : ffff0001558ef353
[ 8.898814] x5 : 0000000000000018 x4 : 0000000000000dd5
[ 8.902124] x3 : ffffdb27966ea138 x2 : 0000000000000001
[ 8.905418] x1 : ffffdb27966ea030 x0 : 0000000000000001
[ 8.908698] Call trace:
[ 8.910278] __alloc_pages_nodemask+0x540/0x694
[ 8.913278] alloc_pages_current+0xe0/0x17c
[ 8.915967] kmalloc_order+0x48/0xec
[ 8.918325] kmalloc_order_trace+0x54/0x21c
[ 8.921165] __kmalloc+0x454/0x5c0
[ 8.923368] kmalloc_array.constprop.0+0x30/0x50
[ 8.926301] gcov_info_dup+0x98/0x2c0
[ 8.928557] remove_info+0x1e0/0x244
[ 8.930876] gcov_event+0xfc/0x170
[ 8.933097] gcov_module_notifier+0x164/0x174
[ 8.935848] notifier_call_chain+0xa0/0x110
[ 8.938435] blocking_notifier_call_chain+0x80/0xe0
[ 8.941579] do_init_module+0x360/0x43c
[ 8.944198] load_module+0x8fc/0xa50
[ 8.946591] __do_sys_finit_module+0x190/0x1c0
[ 8.949485] __arm64_sys_finit_module+0x48/0x64
[ 8.952376] invoke_syscall+0x74/0x150
[ 8.954901] el0_svc_common.constprop.0+0x94/0x264
[ 8.956405] sr 0:0:0:0: Power-on or device reset occurred
[ 8.957610] do_el0_svc+0x5c/0x7c
[ 8.960983] sr 0:0:0:0: [sr0] scsi3-mmc drive: 16x/50x cd/rw xa/form2 cdda tray
[ 8.962169] el0_svc+0x70/0x114
[ 8.965694] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 8.967253] el0_sync_handler+0x140/0x39c
[ 8.971738] el0_sync+0x17c/0x180
[ 8.973450] ---[ end trace 267579295e47a82a ]---
[ 8.976042] gcov: could not save data for '/home/cking/unstable/debian/build/build-generic/drivers/net/fjes/fjes_debugfs.gcda' (out of memory)
[ 8.986263] gcov: could not save data for '/home/cking/unstable/debian/build/build-generic/drivers/net/fjes/fjes_trace.gcda' (out of memory)
[ 8.996162] gcov: could not save data for '/home/cking/unstable/debian/build/build-generic/drivers/net/fjes/fjes_ethtool.gcda' (out of memory)
[ 9.006231] gcov: could not save data for '/home/cking/unstable/debian/build/build-generic/drivers/net/fjes/fjes_hw.gcda' (out of memory)
[ 9.010491] sr 0:0:0:0: Attached scsi CD-ROM sr0
[ 9.013246] sr 0:0:0:0: Attached scsi generic sg0 type 5
[ 9.014959] gcov: could not save data for '/home/cking/unstable/debian/build/build-generic/drivers/net/fjes/fjes_main.gcda' (out of memory)