Public bug reported:
Using dd to copy an image onto sdcard seems to cause a kernel stack
trace. dd seems to hang.
[ 3747.220647] INFO: task systemd-udevd:2451 blocked for more than 483 seconds.
[ 3747.220652] Tainted: P IOE 5.4.0-29-generic #33-Ubuntu
[ 3747.220654] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3747.220656] systemd-udevd D 0 2451 1 0x00004124
[ 3747.220660] Call Trace:
[ 3747.220670] __schedule+0x2e3/0x740
[ 3747.220673] schedule+0x42/0xb0
[ 3747.220675] schedule_preempt_disabled+0xe/0x10
[ 3747.220678] __mutex_lock.isra.0+0x182/0x4f0
[ 3747.220683] ? exact_lock+0x11/0x20
[ 3747.220685] __mutex_lock_slowpath+0x13/0x20
[ 3747.220687] mutex_lock+0x2e/0x40
[ 3747.220692] __blkdev_get+0x78/0x550
[ 3747.220694] blkdev_get+0x3d/0x140
[ 3747.220697] ? blkdev_get_by_dev+0x50/0x50
[ 3747.220699] blkdev_open+0x8f/0xa0
[ 3747.220704] do_dentry_open+0x143/0x3a0
[ 3747.220706] vfs_open+0x2d/0x30
[ 3747.220710] do_last+0x194/0x900
[ 3747.220713] path_openat+0x8d/0x290
[ 3747.220716] do_filp_open+0x91/0x100
[ 3747.220720] ? __alloc_fd+0x46/0x150
[ 3747.220722] do_sys_open+0x17e/0x290
[ 3747.220724] __x64_sys_openat+0x20/0x30
[ 3747.220729] do_syscall_64+0x57/0x190
[ 3747.220735] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 3747.220738] RIP: 0033:0x7f18e48a1d1b
[ 3747.220745] Code: Bad RIP value.
[ 3747.220746] RSP: 002b:00007ffd19e936a0 EFLAGS: 00000246 ORIG_RAX:
0000000000000101
[ 3747.220748] RAX: ffffffffffffffda RBX: 00007ffd19e937b0 RCX: 00007f18e48a1d1b
[ 3747.220749] RDX: 00000000000a0800 RSI: 0000558d7f09f470 RDI: 00000000ffffff9c
[ 3747.220750] RBP: 0000558d7f09f470 R08: 0000558d7d4740c0 R09: 0000000000000000
[ 3747.220751] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
[ 3747.220752] R13: 0000558d7f0b2920 R14: 00007ffd19e93778 R15: ffffffff00000001
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-29-generic 5.4.0-29.33
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
Uname: Linux 5.4.0-29-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: js1 1209 F.... pulseaudio
/dev/snd/controlC1: js1 1209 F.... pulseaudio
/dev/snd/controlC0: js1 1209 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: LXQt
Date: Fri May 15 22:44:18 2020
InstallationDate: Installed on 2020-02-02 (103 days ago)
InstallationMedia: Lubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017.1)
MachineType: Dell Inc. Precision WorkStation T7500
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-29-generic
root=UUID=93fc02c6-baa4-4282-96d7-ea5ad53b0c78 ro ipv6.disable=1
elevator=deadline splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-29-generic N/A
linux-backports-modules-5.4.0-29-generic N/A
linux-firmware 1.187
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/15/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A18
dmi.board.name: 0D881F
dmi.board.vendor: Dell Inc.
dmi.board.version: A05
dmi.chassis.type: 7
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA18:bd10/15/2018:svnDellInc.:pnPrecisionWorkStationT7500:pvr:rvnDellInc.:rn0D881F:rvrA05:cvnDellInc.:ct7:cvr:
dmi.product.name: Precision WorkStation T7500
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1879017
Title:
dd caused systemd-udevd call trace
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1879017/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
