Activity log for bug #1853981

Date Who What changed Old value New value Message
2019-11-26 08:08:18 Po-Hsu Lin bug added bug
2019-11-26 08:08:28 Po-Hsu Lin nominated for series Ubuntu Disco
2019-11-26 08:08:28 Po-Hsu Lin bug task added linux (Ubuntu Disco)
2019-11-26 08:09:31 Po-Hsu Lin description While building the test kernel for Disco, the kernel built from master-next branch (head: e903d6a UBUNTU: upstream stable to v4.19.83, v5.3.10) will result in the following error on boot with an AMD64 KVM node: [ 2.724234] [TTM] Initializing pool allocator [ 2.725770] [TTM] Initializing DMA pool allocator [ 2.727918] [drm] fb mappable at 0xFC000000 [ 2.729462] [drm] vram aper at 0xFC000000 [ 2.729980] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 [ 2.730902] [drm] size 33554432 [ 2.735026] #PF error: [normal kernel read fault] [ 2.735028] PGD 0 P4D 0 [ 2.735032] Oops: 0000 [#1] SMP PTI [ 2.735036] CPU: 1 PID: 211 Comm: systemd-udevd Not tainted 5.0.0-37-generic #40 [ 2.736230] [drm] fb depth is 16 [ 2.738490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 2.739526] [drm] pitch is 2048 [ 2.740751] RIP: 0010:attempt_merge+0x145/0x9d0 [ 2.740753] Code: 84 a2 02 00 00 41 8b 7c 24 24 4d 8b 44 24 30 c1 ef 09 89 f8 4c 01 c0 48 3b 43 30 0f 85 0e ff ff ff 48 8b 53 38 4d 8b 7c 24 40 <8b> 42 20 45 8b 5f 24 89 44 24 3c 4d 85 ff 74 20 41 8b 47 30 85 c0 [ 2.740754] RSP: 0018:ffffb4964067f2f8 EFLAGS: 00010246 [ 2.753490] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input4 [ 2.758417] RAX: 0000000000000000 RBX: ffff9a1b33261200 RCX: 0000000000000000 [ 2.758418] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.758418] RBP: ffffb4964067f378 R08: 0000000000000000 R09: 0000000000000004 [ 2.758419] R10: 0000000000000001 R11: 0000000000000800 R12: ffff9a1b33260000 [ 2.758420] R13: ffff9a1b330c7070 R14: ffff9a1b330c7070 R15: 0000000000000000 [ 2.758421] FS: 00007fd50d4748c0(0000) GS:ffff9a1b7db00000(0000) knlGS:0000000000000000 [ 2.758422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.758423] CR2: 0000000000000020 CR3: 000000003377e000 CR4: 00000000000006e0 [ 2.758426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.786182] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.786183] Call Trace: [ 2.786188] ? insert_work+0x6c/0x80 [ 2.786193] ? __sbitmap_get_word+0x31/0x90 [ 2.786194] blk_attempt_req_merge+0xe/0x30 [ 2.786198] elv_attempt_insert_merge+0x35/0x90 [ 2.786201] blk_mq_sched_try_insert_merge+0x42/0x50 [ 2.786203] dd_insert_requests+0x90/0x1c0 [ 2.786206] blk_mq_sched_insert_request+0x12d/0x1a0 [ 2.786208] blk_mq_make_request+0x36c/0x4d0 [ 2.786210] generic_make_request+0x19e/0x400 [ 2.786212] submit_bio+0x49/0x140 [ 2.786215] ? guard_bio_eod+0x32/0x100 [ 2.786217] submit_bh_wbc+0x185/0x1b0 [ 2.786219] block_read_full_page+0x24d/0x330 [ 2.786222] ? check_disk_change+0x70/0x70 [ 2.786225] ? count_shadow_nodes+0x140/0x140 [ 2.786228] blkdev_readpage+0x18/0x20 [ 2.786232] do_read_cache_page+0x374/0x7a0 [ 2.786234] ? blkdev_writepages+0x10/0x10 [ 2.786237] ? get_page_from_freelist+0xefe/0x1440 [ 2.786240] ? __radix_tree_replace+0x59/0xf0 [ 2.786243] read_cache_page+0x12/0x20 [ 2.786244] read_dev_sector+0x2d/0xd0 [ 2.786246] read_lba+0xcd/0x220 [ 2.786248] efi_partition+0x1e4/0x6de [ 2.786250] ? vsnprintf+0x103/0x520 [ 2.786252] ? snprintf+0x49/0x60 [ 2.786253] ? is_gpt_valid.part.7+0x470/0x470 [ 2.786255] check_partition+0x13e/0x238 [ 2.786256] rescan_partitions+0xaf/0x2a0 [ 2.786259] ? _cond_resched+0x19/0x30 [ 2.786260] __blkdev_get+0x393/0x550 [ 2.786262] blkdev_get+0x10c/0x330 [ 2.786264] ? wake_up_bit+0x42/0x50 [ 2.786267] ? unlock_new_inode+0x53/0x70 [ 2.786269] ? bdget+0x111/0x130 [ 2.786270] __device_add_disk+0x321/0x480 [ 2.786272] device_add_disk+0x13/0x20 [ 2.786275] virtblk_probe+0x4ef/0x79f [virtio_blk] [ 2.786278] virtio_dev_probe+0x172/0x230 [ 2.786282] really_probe+0xfe/0x3b0 [ 2.786284] driver_probe_device+0xba/0x100 [ 2.786286] __driver_attach+0xf1/0x120 [ 2.786288] ? driver_probe_device+0x100/0x100 [ 2.786290] bus_for_each_dev+0x79/0xc0 [ 2.786292] ? kmem_cache_alloc_trace+0x1bd/0x1d0 [ 2.786294] driver_attach+0x1e/0x20 [ 2.786295] bus_add_driver+0x159/0x230 [ 2.786297] ? 0xffffffffc0410000 [ 2.786299] driver_register+0x70/0xc0 [ 2.786300] ? 0xffffffffc0410000 [ 2.786302] register_virtio_driver+0x20/0x30 [ 2.786304] init+0x56/0x1000 [virtio_blk] [ 2.786308] do_one_initcall+0x4a/0x1c4 [ 2.786310] ? _cond_resched+0x19/0x30 [ 2.786311] ? kmem_cache_alloc_trace+0x167/0x1d0 [ 2.786314] do_init_module+0x60/0x220 [ 2.786316] load_module+0x1797/0x1a00 [ 2.786319] __do_sys_finit_module+0xbd/0x120 [ 2.786321] ? __do_sys_finit_module+0xbd/0x120 [ 2.786323] __x64_sys_finit_module+0x1a/0x20 [ 2.786325] do_syscall_64+0x5a/0x110 [ 2.786329] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 2.786330] RIP: 0033:0x7fd50d7012e9 [ 2.786332] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 77 cb 0c 00 f7 d8 64 89 01 48 [ 2.786332] RSP: 002b:00007fff6dd12248 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2.786334] RAX: ffffffffffffffda RBX: 000055b98c946aa0 RCX: 00007fd50d7012e9 [ 2.786335] RDX: 0000000000000000 RSI: 00007fd50d5e2cad RDI: 0000000000000005 [ 2.786335] RBP: 00007fd50d5e2cad R08: 0000000000000000 R09: 000055b98c926ab0 [ 2.786336] R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000 [ 2.786337] R13: 000055b98c934800 R14: 0000000000020000 R15: 000055b98c946aa0 [ 2.786338] Modules linked in: psmouse cirrus(+) ttm virtio_blk(+) drm_kms_helper virtio_net(+) syscopyarea sysfillrect net_failover sysimgblt failover fb_sys_fops drm floppy i2c_piix4 pata_acpi [ 2.786345] CR2: 0000000000000020 [ 2.786379] ---[ end trace 1c7dd9ecceb0cff9 ]--- [ 2.786382] RIP: 0010:attempt_merge+0x145/0x9d0 [ 2.786383] Code: 84 a2 02 00 00 41 8b 7c 24 24 4d 8b 44 24 30 c1 ef 09 89 f8 4c 01 c0 48 3b 43 30 0f 85 0e ff ff ff 48 8b 53 38 4d 8b 7c 24 40 <8b> 42 20 45 8b 5f 24 89 44 24 3c 4d 85 ff 74 20 41 8b 47 30 85 c0 [ 2.786384] RSP: 0018:ffffb4964067f2f8 EFLAGS: 00010246 [ 2.786385] RAX: 0000000000000000 RBX: ffff9a1b33261200 RCX: 0000000000000000 [ 2.786386] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.786386] RBP: ffffb4964067f378 R08: 0000000000000000 R09: 0000000000000004 [ 2.786387] R10: 0000000000000001 R11: 0000000000000800 R12: ffff9a1b33260000 [ 2.786388] R13: ffff9a1b330c7070 R14: ffff9a1b330c7070 R15: 0000000000000000 [ 2.786389] FS: 00007fd50d4748c0(0000) GS:ffff9a1b7db00000(0000) knlGS:0000000000000000 [ 2.786390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.786391] CR2: 0000000000000020 CR3: 000000003377e000 CR4: 00000000000006e0 [ 2.786394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.786395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.786728] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input3 [ 2.787939] fbcon: cirrusdrmfb (fb0) is primary device [ 2.802935] Console: switching to colour frame buffer device 128x48 [ 2.969597] virtio_net virtio1 ens4: renamed from eth0 [ 3.078798] cirrus 0000:00:02.0: fb0: cirrusdrmfb frame buffer device Build environment: Tangerine build server with dchroot disco-amd64 Build command: fakeroot debian/rules do_tools=0 no_dumpfile=1 clean binary-generic binary-headers While building the test kernel for Disco, the kernel built from master-next branch (head: e903d6a UBUNTU: upstream stable to v4.19.83, v5.3.10) will result in the following error on boot with an AMD64 KVM node: [ 2.724234] [TTM] Initializing pool allocator [ 2.725770] [TTM] Initializing DMA pool allocator [ 2.727918] [drm] fb mappable at 0xFC000000 [ 2.729462] [drm] vram aper at 0xFC000000 [ 2.729980] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 [ 2.730902] [drm] size 33554432 [ 2.735026] #PF error: [normal kernel read fault] [ 2.735028] PGD 0 P4D 0 [ 2.735032] Oops: 0000 [#1] SMP PTI [ 2.735036] CPU: 1 PID: 211 Comm: systemd-udevd Not tainted 5.0.0-37-generic #40 [ 2.736230] [drm] fb depth is 16 [ 2.738490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 2.739526] [drm] pitch is 2048 [ 2.740751] RIP: 0010:attempt_merge+0x145/0x9d0 [ 2.740753] Code: 84 a2 02 00 00 41 8b 7c 24 24 4d 8b 44 24 30 c1 ef 09 89 f8 4c 01 c0 48 3b 43 30 0f 85 0e ff ff ff 48 8b 53 38 4d 8b 7c 24 40 <8b> 42 20 45 8b 5f 24 89 44 24 3c 4d 85 ff 74 20 41 8b 47 30 85 c0 [ 2.740754] RSP: 0018:ffffb4964067f2f8 EFLAGS: 00010246 [ 2.753490] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input4 [ 2.758417] RAX: 0000000000000000 RBX: ffff9a1b33261200 RCX: 0000000000000000 [ 2.758418] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.758418] RBP: ffffb4964067f378 R08: 0000000000000000 R09: 0000000000000004 [ 2.758419] R10: 0000000000000001 R11: 0000000000000800 R12: ffff9a1b33260000 [ 2.758420] R13: ffff9a1b330c7070 R14: ffff9a1b330c7070 R15: 0000000000000000 [ 2.758421] FS: 00007fd50d4748c0(0000) GS:ffff9a1b7db00000(0000) knlGS:0000000000000000 [ 2.758422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.758423] CR2: 0000000000000020 CR3: 000000003377e000 CR4: 00000000000006e0 [ 2.758426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.786182] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.786183] Call Trace: [ 2.786188] ? insert_work+0x6c/0x80 [ 2.786193] ? __sbitmap_get_word+0x31/0x90 [ 2.786194] blk_attempt_req_merge+0xe/0x30 [ 2.786198] elv_attempt_insert_merge+0x35/0x90 [ 2.786201] blk_mq_sched_try_insert_merge+0x42/0x50 [ 2.786203] dd_insert_requests+0x90/0x1c0 [ 2.786206] blk_mq_sched_insert_request+0x12d/0x1a0 [ 2.786208] blk_mq_make_request+0x36c/0x4d0 [ 2.786210] generic_make_request+0x19e/0x400 [ 2.786212] submit_bio+0x49/0x140 [ 2.786215] ? guard_bio_eod+0x32/0x100 [ 2.786217] submit_bh_wbc+0x185/0x1b0 [ 2.786219] block_read_full_page+0x24d/0x330 [ 2.786222] ? check_disk_change+0x70/0x70 [ 2.786225] ? count_shadow_nodes+0x140/0x140 [ 2.786228] blkdev_readpage+0x18/0x20 [ 2.786232] do_read_cache_page+0x374/0x7a0 [ 2.786234] ? blkdev_writepages+0x10/0x10 [ 2.786237] ? get_page_from_freelist+0xefe/0x1440 [ 2.786240] ? __radix_tree_replace+0x59/0xf0 [ 2.786243] read_cache_page+0x12/0x20 [ 2.786244] read_dev_sector+0x2d/0xd0 [ 2.786246] read_lba+0xcd/0x220 [ 2.786248] efi_partition+0x1e4/0x6de [ 2.786250] ? vsnprintf+0x103/0x520 [ 2.786252] ? snprintf+0x49/0x60 [ 2.786253] ? is_gpt_valid.part.7+0x470/0x470 [ 2.786255] check_partition+0x13e/0x238 [ 2.786256] rescan_partitions+0xaf/0x2a0 [ 2.786259] ? _cond_resched+0x19/0x30 [ 2.786260] __blkdev_get+0x393/0x550 [ 2.786262] blkdev_get+0x10c/0x330 [ 2.786264] ? wake_up_bit+0x42/0x50 [ 2.786267] ? unlock_new_inode+0x53/0x70 [ 2.786269] ? bdget+0x111/0x130 [ 2.786270] __device_add_disk+0x321/0x480 [ 2.786272] device_add_disk+0x13/0x20 [ 2.786275] virtblk_probe+0x4ef/0x79f [virtio_blk] [ 2.786278] virtio_dev_probe+0x172/0x230 [ 2.786282] really_probe+0xfe/0x3b0 [ 2.786284] driver_probe_device+0xba/0x100 [ 2.786286] __driver_attach+0xf1/0x120 [ 2.786288] ? driver_probe_device+0x100/0x100 [ 2.786290] bus_for_each_dev+0x79/0xc0 [ 2.786292] ? kmem_cache_alloc_trace+0x1bd/0x1d0 [ 2.786294] driver_attach+0x1e/0x20 [ 2.786295] bus_add_driver+0x159/0x230 [ 2.786297] ? 0xffffffffc0410000 [ 2.786299] driver_register+0x70/0xc0 [ 2.786300] ? 0xffffffffc0410000 [ 2.786302] register_virtio_driver+0x20/0x30 [ 2.786304] init+0x56/0x1000 [virtio_blk] [ 2.786308] do_one_initcall+0x4a/0x1c4 [ 2.786310] ? _cond_resched+0x19/0x30 [ 2.786311] ? kmem_cache_alloc_trace+0x167/0x1d0 [ 2.786314] do_init_module+0x60/0x220 [ 2.786316] load_module+0x1797/0x1a00 [ 2.786319] __do_sys_finit_module+0xbd/0x120 [ 2.786321] ? __do_sys_finit_module+0xbd/0x120 [ 2.786323] __x64_sys_finit_module+0x1a/0x20 [ 2.786325] do_syscall_64+0x5a/0x110 [ 2.786329] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 2.786330] RIP: 0033:0x7fd50d7012e9 [ 2.786332] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 77 cb 0c 00 f7 d8 64 89 01 48 [ 2.786332] RSP: 002b:00007fff6dd12248 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2.786334] RAX: ffffffffffffffda RBX: 000055b98c946aa0 RCX: 00007fd50d7012e9 [ 2.786335] RDX: 0000000000000000 RSI: 00007fd50d5e2cad RDI: 0000000000000005 [ 2.786335] RBP: 00007fd50d5e2cad R08: 0000000000000000 R09: 000055b98c926ab0 [ 2.786336] R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000 [ 2.786337] R13: 000055b98c934800 R14: 0000000000020000 R15: 000055b98c946aa0 [ 2.786338] Modules linked in: psmouse cirrus(+) ttm virtio_blk(+) drm_kms_helper virtio_net(+) syscopyarea sysfillrect net_failover sysimgblt failover fb_sys_fops drm floppy i2c_piix4 pata_acpi [ 2.786345] CR2: 0000000000000020 [ 2.786379] ---[ end trace 1c7dd9ecceb0cff9 ]--- [ 2.786382] RIP: 0010:attempt_merge+0x145/0x9d0 [ 2.786383] Code: 84 a2 02 00 00 41 8b 7c 24 24 4d 8b 44 24 30 c1 ef 09 89 f8 4c 01 c0 48 3b 43 30 0f 85 0e ff ff ff 48 8b 53 38 4d 8b 7c 24 40 <8b> 42 20 45 8b 5f 24 89 44 24 3c 4d 85 ff 74 20 41 8b 47 30 85 c0 [ 2.786384] RSP: 0018:ffffb4964067f2f8 EFLAGS: 00010246 [ 2.786385] RAX: 0000000000000000 RBX: ffff9a1b33261200 RCX: 0000000000000000 [ 2.786386] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.786386] RBP: ffffb4964067f378 R08: 0000000000000000 R09: 0000000000000004 [ 2.786387] R10: 0000000000000001 R11: 0000000000000800 R12: ffff9a1b33260000 [ 2.786388] R13: ffff9a1b330c7070 R14: ffff9a1b330c7070 R15: 0000000000000000 [ 2.786389] FS: 00007fd50d4748c0(0000) GS:ffff9a1b7db00000(0000) knlGS:0000000000000000 [ 2.786390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.786391] CR2: 0000000000000020 CR3: 000000003377e000 CR4: 00000000000006e0 [ 2.786394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.786395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.786728] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input3 [ 2.787939] fbcon: cirrusdrmfb (fb0) is primary device [ 2.802935] Console: switching to colour frame buffer device 128x48 [ 2.969597] virtio_net virtio1 ens4: renamed from eth0 [ 3.078798] cirrus 0000:00:02.0: fb0: cirrusdrmfb frame buffer device
2019-11-26 08:30:06 Ubuntu Kernel Bot linux (Ubuntu): status New Incomplete
2019-11-26 08:30:08 Ubuntu Kernel Bot linux (Ubuntu Disco): status New Incomplete
2019-11-26 08:30:09 Ubuntu Kernel Bot tags disco
2019-11-27 08:09:53 Po-Hsu Lin attachment added bisect.log https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853981/+attachment/5308088/+files/bisect.log
2019-11-28 07:59:34 Po-Hsu Lin attachment added disco.log https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853981/+attachment/5308362/+files/disco.log
2019-12-02 13:10:30 Kleber Sacilotto de Souza linux (Ubuntu): status Incomplete Invalid
2019-12-02 13:10:34 Kleber Sacilotto de Souza linux (Ubuntu Disco): status Incomplete In Progress
2019-12-02 14:14:47 Stefan Bader linux (Ubuntu Disco): importance Undecided High
2019-12-02 14:14:50 Stefan Bader linux (Ubuntu Disco): assignee Stefan Bader (smb)
2019-12-02 15:44:42 Sean Feole attachment added dmesg.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853981/+attachment/5309379/+files/dmesg.txt
2019-12-02 15:58:23 Stefan Bader linux (Ubuntu Disco): status In Progress Fix Committed
2019-12-03 15:42:38 Ubuntu Kernel Bot tags disco disco verification-needed-disco
2019-12-19 19:14:46 Khaled El Mously tags disco verification-needed-disco disco verification-done-disco
2020-01-06 13:12:44 Launchpad Janitor linux (Ubuntu Disco): status Fix Committed Fix Released
2020-01-06 13:12:44 Launchpad Janitor cve linked 2019-14895
2020-01-06 13:12:44 Launchpad Janitor cve linked 2019-14896
2020-01-06 13:12:44 Launchpad Janitor cve linked 2019-14897
2020-01-06 13:12:44 Launchpad Janitor cve linked 2019-14901
2020-01-06 13:12:44 Launchpad Janitor cve linked 2019-18660
2020-01-06 13:12:44 Launchpad Janitor cve linked 2019-19055
2020-01-06 13:12:44 Launchpad Janitor cve linked 2019-19072
2020-01-06 13:12:44 Launchpad Janitor cve linked 2019-2214