udev occasionally goes into infinite loop
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Triaged
|
Medium
|
Andy Whitcroft |
Bug Description
On a few of my machines, udev occasionally goes into strange infinite loops. This is a report of one such case (no idea if they're all related, as this one seems specific to this hardware). Attaching strace and udevadm log of looping pain.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: udev 175-0ubuntu3
ProcVersionSign
Uname: Linux 3.2.0-10-powerpc ppc
ApportVersion: 1.91-0ubuntu1
Architecture: powerpc
CustomUdevRuleF
Date: Sat Feb 4 16:06:17 2012
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: ramdisk_size=8192 root=/dev/sda7
SourcePackage: udev
UpgradeStatus: No upgrade log present (probably fresh install)
As recommended by vorlon, I tested both the following commands:
/lib/udev/scsi_id --export --whitelisted -d /dev/sdb
/lib/udev/ata_id --export /dev/sdb
Both of them trigger the event storm reported above, leading him to believe it's a kernel issue.