BUG: unable to handle kernel paging request at ee835a95
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Incomplete
|
Undecided
|
Juerg Haefliger | ||
Bionic |
New
|
Undecided
|
Unassigned | ||
Cosmic |
New
|
Undecided
|
Unassigned | ||
Disco |
Incomplete
|
Undecided
|
Juerg Haefliger |
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_
[ 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_
[ 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_
[ 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_
[ 44.493146] do_dentry_
[ 44.493688] ? kernfs_
[ 44.494258] vfs_open+0x41/0x70
[ 44.494717] path_openat+
[ 44.495234] ? dput.part.
[ 44.495761] ? mntput+0x20/0x40
[ 44.496227] do_filp_
[ 44.496739] ? __alloc_
[ 44.497267] do_sys_
[ 44.497800] SyS_openat+
[ 44.498297] do_fast_
[ 44.498882] entry_SYSENTER_
[ 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_
[ 44.506250] CR2: 00000000ee835a95
[ 44.506751] ---[ end trace 3c49b27dd79507a3 ]---
[ 44.508624] BUG: unable to handle kernel paging request at ee835a95
[ 44.509508] IP: __kmalloc+
[ 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_
[ 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+
[ 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.
[ 44.526402] alloc_indirect.
[ 44.527025] virtqueue_
[ 44.527610] virtio_
[ 44.528281] blk_mq_
[ 44.528913] blk_mq_
[ 44.529639] __blk_mq_
[ 44.530252] __blk_mq_
[ 44.530935] blk_mq_
[ 44.531523] blk_mq_
[ 44.532207] blk_mq_
[ 44.532899] ? __blk_mq_
[ 44.533465] blk_flush_
[ 44.534063] blk_mq_
[ 44.534700] generic_
[ 44.535344] submit_
[ 44.535868] ? __test_
[ 44.536538] ext4_io_
[ 44.537082] ext4_bio_
[ 44.537713] mpage_submit_
[ 44.538272] mpage_map_
[ 44.538937] ext4_writepages
[ 44.539486] do_writepages+
[ 44.540000] ? rb_erase_
[ 44.540563] __filemap_
[ 44.541207] file_write_
[ 44.541844] ext4_sync_
[ 44.542389] ? ext4_getfsmap+
[ 44.542941] vfs_fsync_
[ 44.543490] do_fsync+0x2e/0x60
[ 44.543952] SyS_fsync+0x12/0x20
[ 44.544427] do_fast_
[ 44.545003] entry_SYSENTER_
[ 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+
[ 44.552865] CR2: 00000000ee835a95
[ 44.553525] ---[ end trace 3c49b27dd79507a4 ]---
Changed in linux (Ubuntu): | |
assignee: | nobody → Juerg Haefliger (juergh) |
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1814054
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.