*** This bug is a duplicate of bug 1813244 *** https://bugs.launchpad.net/bugs/1813244
** This bug is no longer a duplicate of bug 1736390 openvswitch: kernel oops destroying interfaces on i386 ** This bug has been marked a duplicate of bug 1813244 systemd cause kernel trace "BUG: unable to handle kernel paging request at 6db23a14" on Cosmic i386 -- 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/1814054 Title: BUG: unable to handle kernel paging request at ee835a95 Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: New Status in linux source package in Cosmic: New Status in linux source package in Disco: Incomplete Bug description: Booting Bionic i386 in a VM and running the following commands repeatedly: ovs-vsctl add-br test ovs-vsctl del-br test eventually leads to: [ 44.476751] IP: kmem_cache_alloc_trace+0x91/0x1d0 [ 44.477299] *pdpt = 000000001ae13001 *pde = 0000000000000000 [ 44.477956] Oops: 0000 [#1] SMP [ 44.478340] Modules linked in: dummy openvswitch nsh nf_conntrack_ipv6 nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_nat nf_conntrack isofs kvm_intel kvm irqbypass input_leds joydev serio_raw sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net floppy [ 44.483687] CPU: 0 PID: 553 Comm: systemd-network Tainted: G W 4.15.0-44-generic #47-Ubuntu [ 44.484819] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1ubuntu1 04/01/2014 [ 44.485865] EIP: kmem_cache_alloc_trace+0x91/0x1d0 [ 44.486451] EFLAGS: 00010286 CPU: 0 [ 44.486917] EAX: df719701 EBX: ee835a95 ECX: 0000e8e4 EDX: 0000e8e3 [ 44.487663] ESI: df7197e0 EDI: df401a00 EBP: df7cbda0 ESP: df7cbd78 [ 44.488440] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 44.489103] CR0: 80050033 CR2: ee835a95 CR3: 1f7f7ac0 CR4: 000006f0 [ 44.489918] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 44.490717] DR6: fffe0ff0 DR7: 00000400 [ 44.491265] Call Trace: [ 44.491655] ? seq_open+0x2d/0x80 [ 44.492136] seq_open+0x2d/0x80 [ 44.492602] kernfs_fop_open+0x1a0/0x360 [ 44.493146] do_dentry_open+0x1ac/0x2f0 [ 44.493688] ? kernfs_seq_start+0x90/0x90 [ 44.494258] vfs_open+0x41/0x70 [ 44.494717] path_openat+0x5e0/0x13f0 [ 44.495234] ? dput.part.23+0xcf/0x1e0 [ 44.495761] ? mntput+0x20/0x40 [ 44.496227] do_filp_open+0x6a/0xd0 [ 44.496739] ? __alloc_fd+0x36/0x160 [ 44.497267] do_sys_open+0x1ad/0x2b0 [ 44.497800] SyS_openat+0x1b/0x20 [ 44.498297] do_fast_syscall_32+0x7f/0x1e0 [ 44.498882] entry_SYSENTER_32+0x4e/0x7c [ 44.499450] EIP: 0xb7f0dd09 [ 44.499888] EFLAGS: 00000282 CPU: 0 [ 44.500410] EAX: ffffffda EBX: ffffff9c ECX: bfa5fdc0 EDX: 00088000 [ 44.501244] ESI: 00000000 EDI: 00000000 EBP: 00088000 ESP: bfa5fc60 [ 44.502078] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 44.502833] Code: 33 87 b8 00 00 00 89 75 dc 89 c3 89 45 e0 8b 45 f0 31 f3 8b 37 64 0f c7 0e 0f 94 c0 84 c0 74 bb 8b 75 dc 3b 75 e0 74 0e 03 5f 14 <33> 1b 33 9f b8 00 00 00 0f 18 03 f7 45 ec 00 80 00 00 0f 85 f7 [ 44.505346] EIP: kmem_cache_alloc_trace+0x91/0x1d0 SS:ESP: 0068:df7cbd78 [ 44.506250] CR2: 00000000ee835a95 [ 44.506751] ---[ end trace 3c49b27dd79507a3 ]--- [ 44.508624] BUG: unable to handle kernel paging request at ee835a95 [ 44.509508] IP: __kmalloc+0x85/0x220 [ 44.510020] *pdpt = 000000001ae13001 *pde = 0000000000000000 [ 44.510829] Oops: 0000 [#2] SMP [ 44.511307] Modules linked in: dummy openvswitch nsh nf_conntrack_ipv6 nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_nat nf_conntrack isofs kvm_intel kvm irqbypass input_leds joydev serio_raw sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net floppy [ 44.517190] CPU: 0 PID: 1854 Comm: journal-offline Tainted: G D W 4.15.0-44-generic #47-Ubuntu [ 44.518478] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1ubuntu1 04/01/2014 [ 44.519730] EIP: __kmalloc+0x85/0x220 [ 44.520275] EFLAGS: 00010086 CPU: 0 [ 44.520794] EAX: dfacdbf0 EBX: 00000000 ECX: ee835a95 EDX: 0000e8e4 [ 44.521666] ESI: dae09bf0 EDI: df401a00 EBP: dcaf59fc ESP: dcaf59d4 [ 44.522497] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 44.523215] CR0: 80050033 CR2: ee835a95 CR3: 1cf932a0 CR4: 000006f0 [ 44.523990] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 44.524826] DR6: fffe0ff0 DR7: 00000400 [ 44.525382] Call Trace: [ 44.525768] ? alloc_indirect.isra.14+0x1b/0x40 [ 44.526402] alloc_indirect.isra.14+0x1b/0x40 [ 44.527025] virtqueue_add_sgs+0x208/0x460 [ 44.527610] virtio_queue_rq+0x163/0x310 [virtio_blk] [ 44.528281] blk_mq_dispatch_rq_list+0x74/0x440 [ 44.528913] blk_mq_sched_dispatch_requests+0x184/0x190 [ 44.529639] __blk_mq_run_hw_queue+0x6f/0xb0 [ 44.530252] __blk_mq_delay_run_hw_queue+0x57/0x60 [ 44.530935] blk_mq_run_hw_queue+0x22/0x80 [ 44.531523] blk_mq_sched_insert_requests+0x73/0x80 [ 44.532207] blk_mq_flush_plug_list+0x1a8/0x220 [ 44.532899] ? __blk_mq_get_tag+0x23/0x90 [ 44.533465] blk_flush_plug_list+0xb9/0x1f0 [ 44.534063] blk_mq_make_request+0x3dc/0x570 [ 44.534700] generic_make_request+0xfc/0x2e0 [ 44.535344] submit_bio+0x67/0x130 [ 44.535868] ? __test_set_page_writeback+0x12c/0x2a0 [ 44.536538] ext4_io_submit+0x40/0x50 [ 44.537082] ext4_bio_write_page+0x208/0x4b0 [ 44.537713] mpage_submit_page+0x8c/0xc0 [ 44.538272] mpage_map_and_submit_extent+0x1fd/0x710 [ 44.538937] ext4_writepages+0x6d8/0x880 [ 44.539486] do_writepages+0x39/0xc0 [ 44.540000] ? rb_erase_cached+0x290/0x360 [ 44.540563] __filemap_fdatawrite_range+0xb4/0xe0 [ 44.541207] file_write_and_wait_range+0x55/0xa0 [ 44.541844] ext4_sync_file+0x101/0x3d0 [ 44.542389] ? ext4_getfsmap+0x330/0x330 [ 44.542941] vfs_fsync_range+0x3f/0xb0 [ 44.543490] do_fsync+0x2e/0x60 [ 44.543952] SyS_fsync+0x12/0x20 [ 44.544427] do_fast_syscall_32+0x7f/0x1e0 [ 44.545003] entry_SYSENTER_32+0x4e/0x7c [ 44.545561] EIP: 0xb7ef2d09 [ 44.545988] EFLAGS: 00000282 CPU: 0 [ 44.546480] EAX: ffffffda EBX: 00000020 ECX: 00000002 EDX: 00000000 [ 44.547294] ESI: 00000000 EDI: 00000006 EBP: 00000002 ESP: b5d401a0 [ 44.548134] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 44.548856] Code: 0f 84 b5 00 00 00 89 75 e4 8b 07 64 8b 50 04 64 03 05 28 91 df da 8b 08 85 c9 89 4d f0 0f 84 53 01 00 00 8b 4d f0 03 4f 14 8b 37 <8b> 01 33 87 b8 00 00 00 89 cb 89 4d e0 8d 4a 01 89 45 dc 31 c3 [ 44.551928] EIP: __kmalloc+0x85/0x220 SS:ESP: 0068:dcaf59d4 [ 44.552865] CR2: 00000000ee835a95 [ 44.553525] ---[ end trace 3c49b27dd79507a4 ]--- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1814054/+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