** Attachment added: "modules.2.6.31-6-usb"
   http://launchpadlibrarian.net/30857421/modules.2.6.31-6-usb

** Description changed:

  I have karmic on a USB drive, and I can boot the 2.6.31-5-generic kernel. But 
the 2.6.31-7-generic and the mainline 2.6.31rc7 kernel can not find the root 
device. dmesg only shows:
  [ 1200.104015] usb 1-8: new high speed USB device using ehci_hcd and address 3
  [ 1200.237017] usb 1-8: configuration #1 chosen from 1 choice
  and cat /sys/bus/usb/devices/1-8/product gives "USB2.0 Storage Device" but I 
do not get the
  [ 1200.278612] scsi7 : SCSI emulation for USB Mass Storage devices
  [ 1200.278930] usb-storage: device found at 3
  [ 1200.278934] usb-storage: waiting for device to settle before scanning
- messages I get with working kernels. /proc/modules show very few modules, but 
usb-storage is loaded.
- 
- I attach the list from "find
- lib/modules/2.6.31-7-generic/kernel/drivers" in the initramfs. Maybe I
- am missing some module? EDIT: No, it is the same ones for 2.6.31-5.
+ messages I get with working kernels. /proc/modules show only 17 modules, but 
usb-storage is loaded, and it is the same modules in 2.6.31-5.
  
  I have LVM installed (but root is not on the LVM) so I initially thought
  it was bug 418514.
  
  ProblemType: Bug
  Architecture: i386
  DistroRelease: Ubuntu 9.04
  HibernationDevice: RESUME=UUID=991c78eb-8e14-4500-86fe-1a5898700074
  MachineType:
  
  Package: linux-image-2.6.31-6-generic 2.6.31-6.25
  ProcCmdLine: root=/dev/mapper/isw_ececbiichd_osmoraid6 ro quiet splash
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.31-6.25-generic
  SourcePackage: linux
  UnreportableReason: This is not a genuine Ubuntu package

-- 
2.6.31rc6 and later does not see my USB drive
https://bugs.launchpad.net/bugs/419231
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