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)

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1891288

Title:
  arm64 gcov in 5.8 breaks when trying to enable it

Status in Linux:
  Unknown
Status in linux package in Ubuntu:
  In Progress

Bug description:
  Running:

  sudo lcov --zerocounters on a gcov enabled kernel causes a read-only
  splat:

  
  [  139.798968] Unable to handle kernel write to read-only memory at virtual 
address ffffb4511ee6bb10
  [  139.803325] Mem abort info:
  [  139.804882]   ESR = 0x9600004e
  [  139.806265]   EC = 0x25: DABT (current EL), IL = 32 bits
  [  139.811261]   SET = 0, FnV = 0
  [  139.814163]   EA = 0, S1PTW = 0
  [  139.816545] Data abort info:
  [  139.817852]   ISV = 0, ISS = 0x0000004e
  [  139.820023]   CM = 0, WnR = 1
  [  139.821350] swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000005086f000
  [  139.825005] [ffffb4511ee6bb10] pgd=00000001b6fff003, p4d=00000001b6fff003, 
pud=00000001b6ffe003, pmd=004000004e200f91
  [  139.832061] Internal error: Oops: 9600004e [#1] SMP
  [  139.835002] Modules linked in: nls_iso8859_1 dm_multipath scsi_dh_rdac 
scsi_dh_emc scsi_dh_alua efi_pstore qemu_fw_cfg sch_fq_codel drm virtio_rng ip_t
  ables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov 
async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c rai
  d1 raid0 multipath linear crct10dif_ce ghash_ce sha2_ce sha256_arm64 sha1_ce 
virtio_net net_failover xhci_pci virtio_blk virtio_scsi failover xhci_pci_ren
  esas aes_neon_bs aes_neon_blk aes_ce_blk crypto_simd cryptd aes_ce_cipher
  [  139.865929] CPU: 5 PID: 1235 Comm: lcov Tainted: G        W         
5.8.0-8-generic #9
  [  139.871293] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
  [  139.876248] pstate: 20400005 (nzCv daif +PAN -UAO BTYPE=--)
  [  139.879993] pc : __memset+0x148/0x188
  [  139.882387] lr : gcov_info_reset+0xa0/0x110
  [  139.885404] sp : ffff8000122f3bf0
  [  139.887730] x29: ffff8000122f3bf0 x28: ffff000167480f40
  [  139.891129] x27: 0000000000000000 x26: ffffb450e46bc060
  [  139.894688] x25: 0000000000000001 x24: ffffb450e46bc040
  [  139.897391] x23: 0000000000000000 x22: ffffb450e46bc0a8
  [  139.900064] x21: ffffb45122ba5db8 x20: ffffb450e46bc068
  [  139.902681] x19: ffffb450e46bc068 x18: 0000000000000000
  [  139.905345] x17: 0000000000000000 x16: 0000000000000000
  [  139.908016] x15: 0000000000000000 x14: 0000000000000000
  [  139.910625] x13: 0000000000000000 x12: 0000000000000000
  [  139.913260] x11: 0000000000000000 x10: 0000000000000000
  [  139.915922] x9 : 0000000000000000 x8 : ffffb4511ee6bb10
  [  139.918531] x7 : 0000000000000000 x6 : 000000000000003f
  [  139.921196] x5 : 0000000000000040 x4 : 0000000000000030
  [  139.923852] x3 : 00000007235d7fd0 x2 : 00000007235d7fd0
  [  139.926460] x1 : 0000000000000000 x0 : ffffb4511ee6bb10
  [  139.929126] Call trace:
  [  139.930349]  __memset+0x148/0x188
  [  139.932025]  reset_node+0x70/0xc0
  [  139.933662]  reset_write+0xc0/0x130
  [  139.935389]  full_proxy_write+0x98/0x110
  [  139.937349]  vfs_write+0x18c/0x3e0
  [  139.939031]  ksys_write+0xc4/0x1f0
  [  139.940766]  __arm64_sys_write+0x44/0x60
  [  139.942705]  invoke_syscall+0x74/0x150
  [  139.944601]  el0_svc_common.constprop.0+0x94/0x264
  [  139.946961]  do_el0_svc+0x5c/0x7c
  [  139.948651]  el0_svc+0x70/0x114
  [  139.950206]  el0_sync_handler+0x140/0x39c
  [  139.952239]  el0_sync+0x17c/0x180
  [  139.953894] Code: f101007f fa45a068 54fffc0b aa0303e2 (a9001d07)
  [  139.956946] ---[ end trace 71e2f9cc3eaddf4e ]---

To manage notifications about this bug go to:
https://bugs.launchpad.net/linux/+bug/1891288/+subscriptions

-- 
Mailing list: https://launchpad.net/~kernel-packages
Post to     : kernel-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~kernel-packages
More help   : https://help.launchpad.net/ListHelp

Reply via email to