Public bug reported:
Bionic kernel panics in the MAAS ephemeral environment. This does not
always happen during commissioning or testing but does happen every time
when trying to enter rescue mode. The test system is a KVM machine using
all VirtIO drivers running on a Bionic host system. Both systems are
using the 4.13.0-17-generic kernel.
[ 13.774332] BUG: unable to handle kernel paging request at fffff672c3075a20
[ 13.775203] IP: kfree+0x53/0x160
[ 13.775665] PGD 0
[ 13.775666] P4D 0
[ 13.775965]
[ 13.776566] Oops: 0000 [#1] SMP
[ 13.777004] Modules linked in: iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi overlay btrfs raid10 raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0
multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel pcbc ttm drm_kms_helper aesni_intel syscopyarea sysfillrect
aes_x86_64 crypto_simd glue_helper cryptd sysimgblt fb_sys_fops drm psmouse
virtio_blk virtio_net pata_acpi floppy
[ 13.782468] CPU: 0 PID: 696 Comm: lxd Not tainted 4.13.0-17-generic
#20-Ubuntu
[ 13.783169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.10.2-1ubuntu1 04/01/2014
[ 13.784028] task: ffff9afa30b62e80 task.stack: ffffc07640a50000
[ 13.784512] RIP: 0010:kfree+0x53/0x160
[ 13.784884] RSP: 0018:ffff9afa3ca03a18 EFLAGS: 00010286
[ 13.785339] RAX: 0000000000000000 RBX: fffff50a81d68280 RCX: 0000000000000002
[ 13.785983] RDX: 0000457c0321e918 RSI: 0000000000010080 RDI: 00006505c0000000
[ 13.786916] RBP: ffff9afa3ca03a30 R08: 000000000001f4c0 R09: ffffffff94bbb839
[ 13.787877] R10: fffff672c3075a00 R11: 00000000e4e5cd01 R12: ffff9afa3f794000
[ 13.788854] R13: ffffffff947a155e R14: ffff9afa3f794000 R15: ffff9afa3f794000
[ 13.789882] FS: 00007fc4a7938cc0(0000) GS:ffff9afa3ca00000(0000)
knlGS:0000000000000000
[ 13.791134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 13.792003] CR2: fffff672c3075a20 CR3: 00000000737f6000 CR4: 00000000001406f0
[ 13.793019] Call Trace:
[ 13.793462] <IRQ>
[ 13.793886] security_sk_free+0x3e/0x50
[ 13.794680] __sk_destruct+0x108/0x190
[ 13.795465] sk_destruct+0x20/0x30
[ 13.796193] __sk_free+0x82/0xa0
[ 13.796899] sk_free+0x19/0x20
[ 13.797537] sock_put+0x14/0x20
[ 13.797926] tcp_v4_rcv+0x94d/0x9d0
[ 13.798325] ? ep_poll_callback+0x226/0x2b0
[ 13.798704] ip_local_deliver_finish+0x5c/0x1f0
[ 13.799099] ip_local_deliver+0x6f/0xe0
[ 13.799455] ip_rcv_finish+0x120/0x410
[ 13.799868] ip_rcv+0x28c/0x3a0
[ 13.800221] ? csum_partial+0x11/0x20
[ 13.800649] __netif_receive_skb_core+0x39a/0xaa0
[ 13.801295] ? skb_checksum+0x35/0x50
[ 13.801742] ? skb_append_datato_frags+0x200/0x200
[ 13.802164] ? reqsk_fastopen_remove+0x140/0x140
[ 13.802576] __netif_receive_skb+0x18/0x60
[ 13.803163] ? __netif_receive_skb+0x18/0x60
[ 13.803798] netif_receive_skb_internal+0x3f/0x3f0
[ 13.804538] ? dev_gro_receive+0x2dc/0x480
[ 13.805210] napi_gro_receive+0xc2/0xe0
[ 13.805851] receive_buf+0x218/0xf70 [virtio_net]
[ 13.806591] ? vring_unmap_one+0x1b/0x80
[ 13.807240] virtnet_poll+0x173/0x268 [virtio_net]
[ 13.807998] net_rx_action+0x13b/0x380
[ 13.808621] ? skb_recv_done+0x30/0x40 [virtio_net]
[ 13.810159] __do_softirq+0xde/0x2a5
[ 13.810673] irq_exit+0xb6/0xc0
[ 13.811185] do_IRQ+0x80/0xd0
[ 13.811881] common_interrupt+0x89/0x89
[ 13.812668] RIP: 0010:filemap_fault+0xff/0x5e0
[ 13.819490] RSP: 0018:ffffc07640a53cc8 EFLAGS: 00000202 ORIG_RAX:
ffffffffffffff8e
[ 13.820174] RAX: 000000000012e288 RBX: ffff9afa3f6e0800 RCX: 0000000000000054
[ 13.820760] RDX: 0000000000000000 RSI: ffff9afa30b64180 RDI: ffff9afa3ca1c200
[ 13.821339] RBP: ffffc07640a53d70 R08: 0000000000000310 R09: 0000000000000001
[ 13.821917] R10: ffffc076406ab738 R11: 00000000000000d2 R12: 00000000000000ea
[ 13.822493] R13: ffff9afa3262e900 R14: fffff50a8174eec0 R15: ffffc07640a53db8
[ 13.823075] </IRQ>
[ 13.823327] ? filemap_fault+0xb0/0x5e0
[ 13.823703] ? filemap_map_pages+0x179/0x320
[ 13.824101] __do_fault+0x1e/0xb0
[ 13.824434] __handle_mm_fault+0xba7/0x1020
[ 13.824821] handle_mm_fault+0xb1/0x200
[ 13.825189] __do_page_fault+0x24d/0x4d0
[ 13.825560] trace_do_page_fault+0x37/0xd0
[ 13.826051] do_async_page_fault+0x51/0x80
[ 13.826652] async_page_fault+0x28/0x30
[ 13.827246] RIP: 0033:0x7fc4a68e38a7
[ 13.827818] RSP: 002b:00007ffea4ae47e8 EFLAGS: 00010206
[ 13.828303] RAX: 0000000000000000 RBX: 00007fc4a4f610e0 RCX: 0000000000000018
[ 13.828883] RDX: 00007fc4a4d1d9b8 RSI: 00007fc4a7063190 RDI: 00007fc4a4d1d9a0
[ 13.829461] RBP: 00007fc4a4cf0fc0 R08: 00000000000000ca R09: 0000000000000001
[ 13.830060] R10: 0000000000000000 R11: 000000000000004d R12: 00007ffea4ae48a0
[ 13.830637] R13: 00007ffea4ae4980 R14: 00007fc4a4f4d030 R15: 00007fc4a4d1d9b8
[ 13.831227] Code: 00 80 49 01 da 0f 82 1c 01 00 00 48 c7 c7 00 00 00 80 48
2b 3d 7f e6 c1 00 49 01 fa 49 c1 ea 0c 49 c1 e2 06 4c 03 15 5d e6 c1 00 <49> 8b
42 20 48 8d 50 ff a8 01 4c 0f 45 d2 49 8b 52 20 48 8d 42
[ 13.832971] RIP: kfree+0x53/0x160 RSP: ffff9afa3ca03a18
[ 13.833525] CR2: fffff672c3075a20
[ 13.833920] ---[ end trace 1b0852e1ad381bc3 ]---
[ 13.834350] Kernel panic - not syncing: Fatal exception in interrupt
[ 13.835085] Kernel Offset: 0x13400000 from 0xffffffff81000000 (relocation
range: 0xffffffff80000000-0xffffffffbfffffff)
[ 13.836253] ---[ end Kernel panic - not syncing: Fatal exception in interrupt
** Affects: maas
Importance: Critical
Status: Triaged
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: artful
** Attachment added: "Console output"
https://bugs.launchpad.net/bugs/1742324/+attachment/5033914/+files/maas-test-2
** Description changed:
Bionic kernel panics in the MAAS ephemeral environment. This does not
always happen during commissioning or testing but does happen every time
when trying to enter rescue mode. The test system is a KVM machine using
all VirtIO drivers running on a Bionic host system. Both systems are
using the 4.13.0-17-generic kernel.
+
+ [ 13.774332] BUG: unable to handle kernel paging request at fffff672c3075a20
+ [ 13.775203] IP: kfree+0x53/0x160
+ [ 13.775665] PGD 0
+ [ 13.775666] P4D 0
+ [ 13.775965]
+ [ 13.776566] Oops: 0000 [#1] SMP
+ [ 13.777004] Modules linked in: iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi overlay btrfs raid10 raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0
multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel pcbc ttm drm_kms_helper aesni_intel syscopyarea sysfillrect
aes_x86_64 crypto_simd glue_helper cryptd sysimgblt fb_sys_fops drm psmouse
virtio_blk virtio_net pata_acpi floppy
+ [ 13.782468] CPU: 0 PID: 696 Comm: lxd Not tainted 4.13.0-17-generic
#20-Ubuntu
+ [ 13.783169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.10.2-1ubuntu1 04/01/2014
+ [ 13.784028] task: ffff9afa30b62e80 task.stack: ffffc07640a50000
+ [ 13.784512] RIP: 0010:kfree+0x53/0x160
+ [ 13.784884] RSP: 0018:ffff9afa3ca03a18 EFLAGS: 00010286
+ [ 13.785339] RAX: 0000000000000000 RBX: fffff50a81d68280 RCX:
0000000000000002
+ [ 13.785983] RDX: 0000457c0321e918 RSI: 0000000000010080 RDI:
00006505c0000000
+ [ 13.786916] RBP: ffff9afa3ca03a30 R08: 000000000001f4c0 R09:
ffffffff94bbb839
+ [ 13.787877] R10: fffff672c3075a00 R11: 00000000e4e5cd01 R12:
ffff9afa3f794000
+ [ 13.788854] R13: ffffffff947a155e R14: ffff9afa3f794000 R15:
ffff9afa3f794000
+ [ 13.789882] FS: 00007fc4a7938cc0(0000) GS:ffff9afa3ca00000(0000)
knlGS:0000000000000000
+ [ 13.791134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+ [ 13.792003] CR2: fffff672c3075a20 CR3: 00000000737f6000 CR4:
00000000001406f0
+ [ 13.793019] Call Trace:
+ [ 13.793462] <IRQ>
+ [ 13.793886] security_sk_free+0x3e/0x50
+ [ 13.794680] __sk_destruct+0x108/0x190
+ [ 13.795465] sk_destruct+0x20/0x30
+ [ 13.796193] __sk_free+0x82/0xa0
+ [ 13.796899] sk_free+0x19/0x20
+ [ 13.797537] sock_put+0x14/0x20
+ [ 13.797926] tcp_v4_rcv+0x94d/0x9d0
+ [ 13.798325] ? ep_poll_callback+0x226/0x2b0
+ [ 13.798704] ip_local_deliver_finish+0x5c/0x1f0
+ [ 13.799099] ip_local_deliver+0x6f/0xe0
+ [ 13.799455] ip_rcv_finish+0x120/0x410
+ [ 13.799868] ip_rcv+0x28c/0x3a0
+ [ 13.800221] ? csum_partial+0x11/0x20
+ [ 13.800649] __netif_receive_skb_core+0x39a/0xaa0
+ [ 13.801295] ? skb_checksum+0x35/0x50
+ [ 13.801742] ? skb_append_datato_frags+0x200/0x200
+ [ 13.802164] ? reqsk_fastopen_remove+0x140/0x140
+ [ 13.802576] __netif_receive_skb+0x18/0x60
+ [ 13.803163] ? __netif_receive_skb+0x18/0x60
+ [ 13.803798] netif_receive_skb_internal+0x3f/0x3f0
+ [ 13.804538] ? dev_gro_receive+0x2dc/0x480
+ [ 13.805210] napi_gro_receive+0xc2/0xe0
+ [ 13.805851] receive_buf+0x218/0xf70 [virtio_net]
+ [ 13.806591] ? vring_unmap_one+0x1b/0x80
+ [ 13.807240] virtnet_poll+0x173/0x268 [virtio_net]
+ [ 13.807998] net_rx_action+0x13b/0x380
+ [ 13.808621] ? skb_recv_done+0x30/0x40 [virtio_net]
+ [ 13.810159] __do_softirq+0xde/0x2a5
+ [ 13.810673] irq_exit+0xb6/0xc0
+ [ 13.811185] do_IRQ+0x80/0xd0
+ [ 13.811881] common_interrupt+0x89/0x89
+ [ 13.812668] RIP: 0010:filemap_fault+0xff/0x5e0
+ [ 13.819490] RSP: 0018:ffffc07640a53cc8 EFLAGS: 00000202 ORIG_RAX:
ffffffffffffff8e
+ [ 13.820174] RAX: 000000000012e288 RBX: ffff9afa3f6e0800 RCX:
0000000000000054
+ [ 13.820760] RDX: 0000000000000000 RSI: ffff9afa30b64180 RDI:
ffff9afa3ca1c200
+ [ 13.821339] RBP: ffffc07640a53d70 R08: 0000000000000310 R09:
0000000000000001
+ [ 13.821917] R10: ffffc076406ab738 R11: 00000000000000d2 R12:
00000000000000ea
+ [ 13.822493] R13: ffff9afa3262e900 R14: fffff50a8174eec0 R15:
ffffc07640a53db8
+ [ 13.823075] </IRQ>
+ [ 13.823327] ? filemap_fault+0xb0/0x5e0
+ [ 13.823703] ? filemap_map_pages+0x179/0x320
+ [ 13.824101] __do_fault+0x1e/0xb0
+ [ 13.824434] __handle_mm_fault+0xba7/0x1020
+ [ 13.824821] handle_mm_fault+0xb1/0x200
+ [ 13.825189] __do_page_fault+0x24d/0x4d0
+ [ 13.825560] trace_do_page_fault+0x37/0xd0
+ [ 13.826051] do_async_page_fault+0x51/0x80
+ [ 13.826652] async_page_fault+0x28/0x30
+ [ 13.827246] RIP: 0033:0x7fc4a68e38a7
+ [ 13.827818] RSP: 002b:00007ffea4ae47e8 EFLAGS: 00010206
+ [ 13.828303] RAX: 0000000000000000 RBX: 00007fc4a4f610e0 RCX:
0000000000000018
+ [ 13.828883] RDX: 00007fc4a4d1d9b8 RSI: 00007fc4a7063190 RDI:
00007fc4a4d1d9a0
+ [ 13.829461] RBP: 00007fc4a4cf0fc0 R08: 00000000000000ca R09:
0000000000000001
+ [ 13.830060] R10: 0000000000000000 R11: 000000000000004d R12:
00007ffea4ae48a0
+ [ 13.830637] R13: 00007ffea4ae4980 R14: 00007fc4a4f4d030 R15:
00007fc4a4d1d9b8
+ [ 13.831227] Code: 00 80 49 01 da 0f 82 1c 01 00 00 48 c7 c7 00 00 00 80 48
2b 3d 7f e6 c1 00 49 01 fa 49 c1 ea 0c 49 c1 e2 06 4c 03 15 5d e6 c1 00 <49> 8b
42 20 48 8d 50 ff a8 01 4c 0f 45 d2 49 8b 52 20 48 8d 42
+ [ 13.832971] RIP: kfree+0x53/0x160 RSP: ffff9afa3ca03a18
+ [ 13.833525] CR2: fffff672c3075a20
+ [ 13.833920] ---[ end trace 1b0852e1ad381bc3 ]---
+ [ 13.834350] Kernel panic - not syncing: Fatal exception in interrupt
+ [ 13.835085] Kernel Offset: 0x13400000 from 0xffffffff81000000 (relocation
range: 0xffffffff80000000-0xffffffffbfffffff)
+ [ 13.836253] ---[ end Kernel panic - not syncing: Fatal exception in
interrupt
** Changed in: maas
Status: New => Triaged
** Changed in: maas
Importance: Undecided => Critical
** Changed in: maas
Milestone: None => 2.4.0alpha1
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
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https://bugs.launchpad.net/bugs/1742324
Title:
Bionic kernel panics in the MAAS ephemeral environment
Status in MAAS:
Triaged
Status in linux package in Ubuntu:
Incomplete
Bug description:
Bionic kernel panics in the MAAS ephemeral environment. This does not
always happen during commissioning or testing but does happen every
time when trying to enter rescue mode. The test system is a KVM
machine using all VirtIO drivers running on a Bionic host system. Both
systems are using the 4.13.0-17-generic kernel.
[ 13.774332] BUG: unable to handle kernel paging request at fffff672c3075a20
[ 13.775203] IP: kfree+0x53/0x160
[ 13.775665] PGD 0
[ 13.775666] P4D 0
[ 13.775965]
[ 13.776566] Oops: 0000 [#1] SMP
[ 13.777004] Modules linked in: iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi overlay btrfs raid10 raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0
multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel pcbc ttm drm_kms_helper aesni_intel syscopyarea sysfillrect
aes_x86_64 crypto_simd glue_helper cryptd sysimgblt fb_sys_fops drm psmouse
virtio_blk virtio_net pata_acpi floppy
[ 13.782468] CPU: 0 PID: 696 Comm: lxd Not tainted 4.13.0-17-generic
#20-Ubuntu
[ 13.783169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.10.2-1ubuntu1 04/01/2014
[ 13.784028] task: ffff9afa30b62e80 task.stack: ffffc07640a50000
[ 13.784512] RIP: 0010:kfree+0x53/0x160
[ 13.784884] RSP: 0018:ffff9afa3ca03a18 EFLAGS: 00010286
[ 13.785339] RAX: 0000000000000000 RBX: fffff50a81d68280 RCX:
0000000000000002
[ 13.785983] RDX: 0000457c0321e918 RSI: 0000000000010080 RDI:
00006505c0000000
[ 13.786916] RBP: ffff9afa3ca03a30 R08: 000000000001f4c0 R09:
ffffffff94bbb839
[ 13.787877] R10: fffff672c3075a00 R11: 00000000e4e5cd01 R12:
ffff9afa3f794000
[ 13.788854] R13: ffffffff947a155e R14: ffff9afa3f794000 R15:
ffff9afa3f794000
[ 13.789882] FS: 00007fc4a7938cc0(0000) GS:ffff9afa3ca00000(0000)
knlGS:0000000000000000
[ 13.791134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 13.792003] CR2: fffff672c3075a20 CR3: 00000000737f6000 CR4:
00000000001406f0
[ 13.793019] Call Trace:
[ 13.793462] <IRQ>
[ 13.793886] security_sk_free+0x3e/0x50
[ 13.794680] __sk_destruct+0x108/0x190
[ 13.795465] sk_destruct+0x20/0x30
[ 13.796193] __sk_free+0x82/0xa0
[ 13.796899] sk_free+0x19/0x20
[ 13.797537] sock_put+0x14/0x20
[ 13.797926] tcp_v4_rcv+0x94d/0x9d0
[ 13.798325] ? ep_poll_callback+0x226/0x2b0
[ 13.798704] ip_local_deliver_finish+0x5c/0x1f0
[ 13.799099] ip_local_deliver+0x6f/0xe0
[ 13.799455] ip_rcv_finish+0x120/0x410
[ 13.799868] ip_rcv+0x28c/0x3a0
[ 13.800221] ? csum_partial+0x11/0x20
[ 13.800649] __netif_receive_skb_core+0x39a/0xaa0
[ 13.801295] ? skb_checksum+0x35/0x50
[ 13.801742] ? skb_append_datato_frags+0x200/0x200
[ 13.802164] ? reqsk_fastopen_remove+0x140/0x140
[ 13.802576] __netif_receive_skb+0x18/0x60
[ 13.803163] ? __netif_receive_skb+0x18/0x60
[ 13.803798] netif_receive_skb_internal+0x3f/0x3f0
[ 13.804538] ? dev_gro_receive+0x2dc/0x480
[ 13.805210] napi_gro_receive+0xc2/0xe0
[ 13.805851] receive_buf+0x218/0xf70 [virtio_net]
[ 13.806591] ? vring_unmap_one+0x1b/0x80
[ 13.807240] virtnet_poll+0x173/0x268 [virtio_net]
[ 13.807998] net_rx_action+0x13b/0x380
[ 13.808621] ? skb_recv_done+0x30/0x40 [virtio_net]
[ 13.810159] __do_softirq+0xde/0x2a5
[ 13.810673] irq_exit+0xb6/0xc0
[ 13.811185] do_IRQ+0x80/0xd0
[ 13.811881] common_interrupt+0x89/0x89
[ 13.812668] RIP: 0010:filemap_fault+0xff/0x5e0
[ 13.819490] RSP: 0018:ffffc07640a53cc8 EFLAGS: 00000202 ORIG_RAX:
ffffffffffffff8e
[ 13.820174] RAX: 000000000012e288 RBX: ffff9afa3f6e0800 RCX:
0000000000000054
[ 13.820760] RDX: 0000000000000000 RSI: ffff9afa30b64180 RDI:
ffff9afa3ca1c200
[ 13.821339] RBP: ffffc07640a53d70 R08: 0000000000000310 R09:
0000000000000001
[ 13.821917] R10: ffffc076406ab738 R11: 00000000000000d2 R12:
00000000000000ea
[ 13.822493] R13: ffff9afa3262e900 R14: fffff50a8174eec0 R15:
ffffc07640a53db8
[ 13.823075] </IRQ>
[ 13.823327] ? filemap_fault+0xb0/0x5e0
[ 13.823703] ? filemap_map_pages+0x179/0x320
[ 13.824101] __do_fault+0x1e/0xb0
[ 13.824434] __handle_mm_fault+0xba7/0x1020
[ 13.824821] handle_mm_fault+0xb1/0x200
[ 13.825189] __do_page_fault+0x24d/0x4d0
[ 13.825560] trace_do_page_fault+0x37/0xd0
[ 13.826051] do_async_page_fault+0x51/0x80
[ 13.826652] async_page_fault+0x28/0x30
[ 13.827246] RIP: 0033:0x7fc4a68e38a7
[ 13.827818] RSP: 002b:00007ffea4ae47e8 EFLAGS: 00010206
[ 13.828303] RAX: 0000000000000000 RBX: 00007fc4a4f610e0 RCX:
0000000000000018
[ 13.828883] RDX: 00007fc4a4d1d9b8 RSI: 00007fc4a7063190 RDI:
00007fc4a4d1d9a0
[ 13.829461] RBP: 00007fc4a4cf0fc0 R08: 00000000000000ca R09:
0000000000000001
[ 13.830060] R10: 0000000000000000 R11: 000000000000004d R12:
00007ffea4ae48a0
[ 13.830637] R13: 00007ffea4ae4980 R14: 00007fc4a4f4d030 R15:
00007fc4a4d1d9b8
[ 13.831227] Code: 00 80 49 01 da 0f 82 1c 01 00 00 48 c7 c7 00 00 00 80 48
2b 3d 7f e6 c1 00 49 01 fa 49 c1 ea 0c 49 c1 e2 06 4c 03 15 5d e6 c1 00 <49> 8b
42 20 48 8d 50 ff a8 01 4c 0f 45 d2 49 8b 52 20 48 8d 42
[ 13.832971] RIP: kfree+0x53/0x160 RSP: ffff9afa3ca03a18
[ 13.833525] CR2: fffff672c3075a20
[ 13.833920] ---[ end trace 1b0852e1ad381bc3 ]---
[ 13.834350] Kernel panic - not syncing: Fatal exception in interrupt
[ 13.835085] Kernel Offset: 0x13400000 from 0xffffffff81000000 (relocation
range: 0xffffffff80000000-0xffffffffbfffffff)
[ 13.836253] ---[ end Kernel panic - not syncing: Fatal exception in
interrupt
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