Public bug reported:
Ubuntu 20.04 with kernel image 9.4.0-97.110 randomly freezes when we
access cifs shares. The system needs a hard reset after the freeze.
The previous kernel image (5.4.0-96.109) does not show this behavior.
Multiple Ubuntu 20.04 systems running on kernel image 9.4.0-97.110 are
affected on our sites.
The cifs shares are accessed via autofs using Kerberos authentication.
The following info is the only error message we could actively catch on
a different system before the system was frozen:
general protection fault: 0000 [#3] SMP PTI
CPU: 0 PID: 21294 Comm: automount Tainted: G D OE 5.4.0-97-generic
#110-Ubuntu
Hardware name: Dell Inc. Precision 7530/03RV2M, BIOS 1.14.4 10/21/2020
RIP: 0010:kmem_cache_alloc_trace+0x8c/0x240
Code: 08 65 4c 03 05 1d e8 f7 6e 49 83 78 10 00 4d 8b 38 0f 84 92 01 00 00 4d
85 ff 0f 84 89 01 00 00 41 8b 41 20 49 8b 39 4c 01 f8 <48> 8b 18 48 89 c1 49 33
99 70 01 00 00 4c 89 f8 48 0f c9 48 31 cb
RSP: 0018:ffffa6ca860f7ba0 EFLAGS: 00010286
RAX: fdd44d7c219190e1 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000d558 RSI: 0000000000000cc0 RDI: 0000000000035060
RBP: ffffa6ca860f7bd0 R08: ffff99233c035060 R09: ffff992338c079c0
R10: 0000000000000001 R11: 0000000000000004 R12: 0000000000000cc0
R13: 000000000000000b R14: ffff992338c079c0 R15: fdd44d7c219190e1
FS: 00007fdc24e29700(0000) GS:ffff99233c000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f15a80ee010 CR3: 00000007e36b2006 CR4: 00000000003606f0
Call Trace:
? proc_self_get_link+0x70/0xd0
proc_self_get_link+0x70/0xd0
link_path_walk.part.0+0x478/0x550
? trailing_symlink+0x1d1/0x280
path_openat+0xb7/0x290
do_filp_open+0x91/0x100
? unuse_pde+0x30/0x30
do_sys_open+0x17e/0x290
__x64_sys_openat+0x20/0x30
__orig_openat+0x71/0xc0 [eset_rtp]
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
? __x64_sys_futex+0x13f/0x170
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
__x64_sys_ertp_openat+0x29/0x60 [eset_rtp]
do_syscall_64+0x57/0x190
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fdc28a41f24
Code: 24 20 eb 8f 66 90 44 89 54 24 0c e8 56 68 f8 ff 44 8b 54 24 0c 44 89 e2
48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 32
44 89 c7 89 44 24 0c e8 88 68 f8 ff 8b 44
RSP: 002b:00007fdc24e25980 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fdc040008d0 RCX: 00007fdc28a41f24
? unuse_pde+0x30/0x30
do_sys_open+0x17e/0x290
__x64_sys_openat+0x20/0x30
__orig_openat+0x71/0xc0 [eset_rtp]
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
? __x64_sys_futex+0x13f/0x170
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
__x64_sys_ertp_openat+0x29/0x60 [eset_rtp]
do_syscall_64+0x57/0x190
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fdc28a41f24
Code: 24 20 eb 8f 66 90 44 89 54 24 0c e8 56 68 f8 ff 44 8b 54 24 0c 44 89 e2
48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 32
44 89 c7 89 44 24 0c e8 88 68 f8 ff 8b 44
RSP: 002b:00007fdc24e25980 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fdc040008d0 RCX: 00007fdc28a41f24
RDX: 0000000000080000 RSI: 0000564d4410a8c8 RDI: 00000000ffffff9c
RBP: 0000564d4410a8c8 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080000
R13: 0000564d4410e28a R14: 00007fdc24e25b40 R15: 00007fdc24e28fc0
Modules linked in: cmac nls_utf8 cifs fscache libdes ccm vboxnetadp(OE)
vboxnetflt(OE) vboxdrv(OE) eset_rtp(OE) xt_conntrack xt_MASQUERADE
nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype iptable_filter
iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ip>
snd_seq_midi coretemp snd_seq_midi_event snd_rawmidi kvm_intel snd_seq kvm
dell_wmi snd_seq_device rapl dell_smbios snd_timer dcdbas intel_cstate
input_leds iwlwifi serio_raw snd intel_wmi_thunderbolt rtsx_pci_ms
dell_wmi_descriptor wmi_bmof processor_thermal_device ucsi_acp>
pinctrl_cannonlake video pinctrl_intel
---[ end trace 80828f22da45a19b ]---
RIP: 0010:__slab_free+0x199/0x360
Code: 00 48 89 c7 fa 66 0f 1f 44 00 00 f0 49 0f ba 2c 24 00 72 79 4d 3b 6c 24
20 74 11 49 0f ba 34 24 00 57 9d 0f 1f 44 00 00 eb 9f <0f> 0b 49 3b 5c 24 28 75
e8 48 8b 44 24 28 49 89 4c 24 28 49 89 44
RSP: 0018:ffffa6ca85a8f8c0 EFLAGS: 00010246
RAX: ffff9921db223620 RBX: 0000000080800046 RCX: ffff9921db223620
RDX: ffff9921db223620 RSI: fffff5c79c6c88c0 RDI: ffff992338c07800
RBP: ffffa6ca85a8f968 R08: 0000000000000001 R09: ffffffffc1514620
R10: ffff9921db223620 R11: 0000000000000001 R12: fffff5c79c6c88c0
R13: ffff9921db223620 R14: ffff992338c07800 R15: ffff9922e0c4a800
FS: 00007fdc24e29700(0000) GS:ffff99233c000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-97-generic 5.4.0-97.110
ProcVersionSignature: Ubuntu 5.4.0-97.110-generic 5.4.162
Uname: Linux 5.4.0-97-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: gdm 1562 F.... pulseaudio
seko7335 2504 F.... pulseaudio
CasperMD5CheckResult: skip
Date: Tue Feb 1 11:38:40 2022
HibernationDevice: RESUME=UUID=8ad0aa7e-9033-401d-82ab-ba2f280cde29
InstallationDate: Installed on 2020-04-24 (648 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0025 Intel Corp.
Bus 001 Device 002: ID 0a5c:5831 Broadcom Corp. 5880
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Lsusb-t:
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 10000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M
|__ Port 10: Dev 2, If 0, Class=Application Specific Interface, Driver=,
12M
|__ Port 14: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
|__ Port 14: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
MachineType: Dell Inc. Precision 7530
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-97-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-5.4.0-97-generic N/A
linux-backports-modules-5.4.0-97-generic N/A
linux-firmware 1.187.25
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/09/2021
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.19.0
dmi.board.name: 0425K7
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.19.0:bd12/09/2021:svnDellInc.:pnPrecision7530:pvr:rvnDellInc.:rn0425K7:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: Precision
dmi.product.name: Precision 7530
dmi.product.sku: 0831
dmi.sys.vendor: Dell Inc.
modified.conffile..etc.default.apport: [modified]
mtime.conffile..etc.default.apport: 2021-02-03T11:40:27.470104
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1959665
Title:
linux-image-9.4.0-97.110 freezes by accessing cifs shares
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