Spotted on X / D / mainline 5.0rc2 as well.
syslog for 5.0rc2:
[ 157.662397] ------------[ cut here ]------------
[ 157.662401] kernel BUG at mm/highmem.c:349!
[ 157.666725] invalid opcode: 0000 [#1] SMP PTI
[ 157.671086] CPU: 1 PID: 162 Comm: kworker/u16:4 Not tainted
5.0.0-050000rc2-generic #201901171452
[ 157.680017] Hardware name: Dell Inc. PowerEdge R310/05XKKK, BIOS 1.11.0
09/18/2012
[ 157.687684] Workqueue: btrfs-endio-raid56 btrfs_endio_raid56_helper [btrfs]
[ 157.694774] EIP: kunmap_high+0xb2/0xc0
[ 157.698661] Code: d4 8d b4 26 00 00 00 00 6a 00 b8 a0 d7 cf d9 b9 01 00 00
00 ba 03 00 00 00 e8 4a 79 ec ff 8b 5d fc 58 c9 c3 8d 74 26 00 0f 0b <0f> 0b 8d
b4 26 00 00 00 00 8d 74 26 00 90 66 66 66 66 90 55 89 e5
[ 157.717962] EAX: 000001d5 EBX: fffff000 ECX: 00000001 EDX: 00000000
[ 157.724560] ESI: 00000004 EDI: 00000004 EBP: f45dfe5c ESP: f45dfe58
[ 157.730918] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010246
[ 157.737962] CR0: 80050033 CR2: 0225610c CR3: 19eca000 CR4: 000006f0
[ 157.744384] Call Trace:
[ 157.747009] kunmap+0x3e/0x50
[ 157.750192] finish_parity_scrub+0x315/0x570 [btrfs]
[ 157.755316] validate_rbio_for_parity_scrub+0xca/0xd0 [btrfs]
[ 157.761318] raid56_parity_scrub_end_io+0x53/0x70 [btrfs]
[ 157.766833] bio_endio+0xee/0x150
[ 157.770333] ? end_workqueue_fn+0x2c/0x40 [btrfs]
[ 157.775211] end_workqueue_fn+0x33/0x40 [btrfs]
[ 157.779799] normal_work_helper+0xc5/0x2e0 [btrfs]
[ 157.784868] btrfs_endio_raid56_helper+0x10/0x20 [btrfs]
[ 157.790313] process_one_work+0x1d4/0x3a0
[ 157.794479] worker_thread+0x37/0x400
[ 157.798310] kthread+0xf0/0x110
[ 157.801620] ? pwq_unbound_release_workfn+0xb0/0xb0
[ 157.806656] ? kthread_park+0x90/0x90
[ 157.810478] ret_from_fork+0x2e/0x38
[ 157.814220] Modules linked in: intel_powerclamp coretemp kvm_intel dcdbas
kvm ipmi_ssif irqbypass joydev input_leds ipmi_si intel_cstate acpi_power_meter
mac_hid ipmi_devintf i7core_edac ipmi_msghandler 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 hid_generic gpio_ich mgag200 i2c_algo_bit ttm drm_kms_helper
syscopyarea usbhid sysfillrect hid sysimgblt mpt3sas fb_sys_fops drm pata_acpi
raid_class lpc_ich bnx2 scsi_transport_sas wmi
[ 157.873824] ---[ end trace f9b1fc7e1f35ab27 ]---
[ 157.887583] EIP: kunmap_high+0xb2/0xc0
[ 157.891437] Code: d4 8d b4 26 00 00 00 00 6a 00 b8 a0 d7 cf d9 b9 01 00 00
00 ba 03 00 00 00 e8 4a 79 ec ff 8b 5d fc 58 c9 c3 8d 74 26 00 0f 0b <0f> 0b 8d
b4 26 00 00 00 00 8d 74 26 00 90 66 66 66 66 90 55 89 e5
[ 157.910746] EAX: 000001d5 EBX: fffff000 ECX: 00000001 EDX: 00000000
[ 157.917276] ESI: 00000004 EDI: 00000004 EBP: f45dfe5c ESP: d9ed1e5c
[ 157.923699] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010246
[ 157.930744] CR0: 80050033 CR2: 0225610c CR3: 19eca000 CR4: 000006f0
** Tags added: disco kernel-bug-exists-upstream xenial
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Summary changed:
- 3b080b2564287be91605bfd1d5ee985696e61d3c in ubuntu_btrfs_kernel_fixes
triggers system hang on Bionic i386
+ 3b080b2564287be91605bfd1d5ee985696e61d3c in ubuntu_btrfs_kernel_fixes
triggers system hang on i386
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https://bugs.launchpad.net/bugs/1812845
Title:
3b080b2564287be91605bfd1d5ee985696e61d3c in ubuntu_btrfs_kernel_fixes
triggers system hang on i386
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Confirmed
Bug description:
This issue was not spotted on AMD64
Reproduce rate: 100%
The following command is the key to trigger this:
btrfs scrub start -BR $MNT
Steps:
# (Install necessary packages)
# git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest-client-tests
# TMP=/tmp/tmp MNT=/tmp/mnt
# mkdir -p $TMP; mkdir -p $MNT
# cd autotest-client-tests/ubuntu_btrfs_kernel_fixes
# TMP=/tmp/tmp MNT=/tmp/mnt ./3b080b2564287be91605bfd1d5ee985696e61d3c.sh
Trace:
[ 494.357824] ------------[ cut here ]------------
[ 494.357828] kernel BUG at
/build/linux-bnzN1b/linux-4.15.0/mm/highmem.c:350!
[ 494.365079] invalid opcode: 0000 [#1] SMP
[ 494.369205] Modules linked in: cfg80211 intel_powerclamp ipmi_ssif
gpio_ich coretemp kvm_intel kvm ipmi_si irqbypass input_leds joydev dcdbas
intel_cstate ipmi_devintf sch_fq_codel shpchp i7core_edac lpc_ich
ipmi_msghandler acpi_power_meter mac_hid 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 mgag200
i2c_algo_bit ttm drm_kms_helper hid_generic syscopyarea sysfillrect usbhid
sysimgblt mpt3sas fb_sys_fops drm hid raid_class bnx2 scsi_transport_sas
pata_acpi wmi
[ 494.430188] CPU: 2 PID: 2093 Comm: kworker/u16:1 Not tainted
4.15.0-43-generic #46-Ubuntu
[ 494.438618] Hardware name: Dell Inc. PowerEdge R310/05XKKK, BIOS 1.11.0
09/18/2012
[ 494.446494] Workqueue: btrfs-endio-raid56 btrfs_endio_raid56_helper
[btrfs]
[ 494.453657] EIP: kunmap_high+0xaa/0xb0
[ 494.457571] EFLAGS: 00010246 CPU: 2
[ 494.461229] EAX: 00000115 EBX: fffff000 ECX: 00000001 EDX: 00000000
[ 494.467840] ESI: 00000004 EDI: 00000004 EBP: f4883e44 ESP: f4883e40
[ 494.474264] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 494.479931] CR0: 80050033 CR2: 005885e0 CR3: 0fe16000 CR4: 000006f0
[ 494.486353] Call Trace:
[ 494.488967] kunmap+0x3e/0x50
[ 494.492140] finish_parity_scrub+0x24d/0x570 [btrfs]
[ 494.497226] ? update_load_avg+0x64f/0x830
[ 494.501528] validate_rbio_for_parity_scrub+0xc2/0xd0 [btrfs]
[ 494.507527] raid56_parity_scrub_end_io+0x53/0x70 [btrfs]
[ 494.513058] bio_endio+0xb9/0x110
[ 494.516574] ? end_workqueue_fn+0x2c/0x40 [btrfs]
[ 494.521435] end_workqueue_fn+0x33/0x40 [btrfs]
[ 494.526139] normal_work_helper+0x7d/0x2f0 [btrfs]
[ 494.531087] btrfs_endio_raid56_helper+0x10/0x20 [btrfs]
[ 494.536621] process_one_work+0x1b9/0x3d0
[ 494.540799] worker_thread+0x37/0x420
[ 494.544628] kthread+0xf0/0x110
[ 494.547931] ? process_one_work+0x3d0/0x3d0
[ 494.552282] ? kthread_create_worker_on_cpu+0x20/0x20
[ 494.557488] ? kthread_create_worker_on_cpu+0x20/0x20
[ 494.562701] ret_from_fork+0x2e/0x38
[ 494.566441] Code: 2d ee ff 58 8b 5d fc c9 c3 90 8d b4 26 00 00 00 00 a1
80 d1 c4 cf 31 c9 3d 80 d1 c4 cf 0f 95 c1 eb bc 8d b4 26 00 00 00 00 0f 0b <0f>
0b 8d 74 26 00 66 66 66 66 90 55 89 e5 56 53 31 db e8 1f ef
[ 494.585751] EIP: kunmap_high+0xaa/0xb0 SS:ESP: 0068:f4883e40
[ 494.591688] ---[ end trace 5e6d708abb85eeba ]---
Follow up with CPU soft lockup.
Please find the attachment for the complete log.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-43-generic 4.15.0-43.46
ProcVersionSignature: User Name 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic i686
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jan 22 11:54 seq
crw-rw---- 1 root audio 116, 33 Jan 22 11:54 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: i386
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Tue Jan 22 11:54:49 2019
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
MachineType: Dell Inc. PowerEdge R310
PciMultimedia:
ProcFB: 0 mgadrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-43-generic
root=UUID=6aaa11f6-d386-4c0c-b4b8-38e6c408980a ro console=ttyS0,115200n8
RelatedPackageVersions:
linux-restricted-modules-4.15.0-43-generic N/A
linux-backports-modules-4.15.0-43-generic N/A
linux-firmware 1.173.3
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/18/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.11.0
dmi.board.name: 05XKKK
dmi.board.vendor: Dell Inc.
dmi.board.version: A05
dmi.chassis.type: 23
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.11.0:bd09/18/2012:svnDellInc.:pnPowerEdgeR310:pvr:rvnDellInc.:rn05XKKK:rvrA05:cvnDellInc.:ct23:cvr:
dmi.product.name: PowerEdge R310
dmi.sys.vendor: Dell Inc.
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