[Bug 813671] Re: PPC kernel 2.6.38-11 #47 causes udev to spawn excessive instances

[Wojtek Kaniewski]

Same here on iBook G4. UdevLog.txt says that kernel reports media change
over and over again. If you insert an audio CD, udev still wastes CPU
cycles on blk_id et al but at least udisks-daemon doesn't run all the
time.

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Title:
  PPC kernel 2.6.38-11 #47 causes udev to spawn excessive instances

Status in “udev” package in Ubuntu:
  New

Bug description:
  On ppc with 2.6.38-11-powerpc #47, udev spawns c. 40 instances, applications such as 
  29404 root      20   0 16036 3936 3264 S 14.0  0.4   0:22.72 udisks-daemon      
  29392 jrh       20   0 12684 4912 3408 S 13.7  0.5   0:22.68 gvfs-gdu-volume    
  29920 jrh       20   0 29156 9660 6764 S 10.1  0.9   0:15.60 gdu-notificatio    
    473 messageb  20   0  4904 2220  940 R  9.8  0.2   0:17.12 dbus-daemon        
    295 root      18  -2  3536 1136  428 S  7.5  0.1   0:46.40 udevd     

  then conspire to hog almost all CPU, rendering the machine useless.

  This did not happen with previous kernels. It also does not happen on
  ia32 and x86_64 with the same kernel version.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: udev 167-0ubuntu3
  ProcVersionSignature: Ubuntu 2.6.38-11.47-powerpc 2.6.38.8
  Uname: Linux 2.6.38-11-powerpc ppc
  Architecture: powerpc
  CustomUdevRuleFiles: 10-blackberry.rules 71-csr-bt.rules.off
  Date: Wed Jul 20 19:19:46 2011
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 002: ID 046d:c00f Logitech, Inc. MouseMan Traveler/Mobile
   Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   SHELL=/bin/bash
   LANG=en_GB.UTF-8
  ProcKernelCmdLine: root=/dev/hda4 ro video=radeonfb splash quiet
  SourcePackage: udev
  UpgradeStatus: Upgraded to natty on 2011-01-02 (199 days ago)

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