Walter: I'have the same problem than you.
I posted several times the following report,
but nobody answered to me.
My device is an external (obvious) hard disc (20 Gb)
connected throug USB (also obvious).
I would like to keep in touch with you to
know any progress on the matter.
Jordi Bataller
SPAIN
-------------------------------------------------
I have a 20Gb disk (size 2.5) enclosed
within a box, pluggable to the PC
via USB.
The vendor (in Spain) is fujitsu but
I found out that only the disk is
fujitsu. The enclosure is from
OnSpec or from Datafab (I'm not sure).
Well, using a 2.4 kernel (2.4.13 or 2.4.14)
the device is detected: I can format a partition
on it, and use it altmos normally.
Two strange behaviour sympthoms:
1. When formating it (mke2fs), the inode
count, starts very fast (say until 20/40)
and then get very slow.
2. When working with it, the same thing happens.
Usually it works very well (comparable
to a IDE plugged disk), but suddenly
every access to the disk becomes very slow.
And a real problem:
When I halt or reboot linux, with
the disk mounted, the halt processes
stops at "umounting local filesystems"
until (I guess) a timeout is fired.
And then, the following message
scsi: device set offline - not ready or
command retry failed after bus reset
host 0 channel 0 id 0 lun 0
appears, or even this one
I/O error: dev 08:01, sector 8912952
EXT2-fs error (device sd(8,1)): ext2_write_inode:
unable to read inode block -inode: 544101, block=14322
I/O error: dev 08:01, sector 0
I/O error: dev 08:01, sector 32
I/O error: dev 08:01, sector 2888363
I/O error: dev 08:01, sector 0
when I used the disk as the root file system
(booting from a floppy of course).
Any idea? Thanks in advance.
Jordi Bataller
Gandia
SPAIN
Walter Haidinger wrote:
>
> Hi!
>
> Upon shutdown, my system freezes when /proc/dev/usb is unmounted (i.e.
> when usbmgr is killed), forcing a manual power off/on.
> His happens with kernel 2.4.14 and has plagued me ever since I upgraded to
> kernel 2.4.12, IIRC. Please note that there is _no_ problem while the
> system is booting or up and running!
>
> Now, how do I debug this to see who is responseable?
>
> My setup is:
> * SuSE-7.2 (with usbmgr-0.4.6)
> * Linux kernel 2.4.14
> * Loaded usb modules: usbcore, usb-ohci, pwc, hid, mousedev.
>
> The only usb device in use is a Philips webcam which works fine.
> Loading/unloading the pwc driver works also fine.
>
> However, unloading the usb-ohci freezes the kernel just like
> unmounting the usbdevfs filesystem.
>
> Running lsusb (output attached) gives an error message (cannot get config
> descriptor 0, Connection timed out (110)) and creates many (about 50)
> identical syslog entries like:
> kernel: usb_control/bulk_msg: timeout
> kernel: usbdevfs: USBDEVFS_CONTROL failed dev 3 rqt 128 rq 6 len 486 ret -110
>
> I've attached the following:
> 1. output of: /proc/dev/bus/devices
> 2. output of: lsusb
> 3. syslog messages by usbmgr during boot
> 4. syslog messages by usb modules (usb.c, usb-ohci.c) during boot
>
> There _are_ some error messages in the usb kernel logs (attached
> usb.bootlog). For instance, kusbd tries to load /sbin/hotplug which
> doesn't exist.
>
> I'm a bit lost now. Therefore, I'd appreciate any help in howto
> further diagnose my problem. Thanks!
>
> Regards, Walter
>
> ------------------------------------------------------------------------
> Name: proc.bus.usb.devices
> proc.bus.usb.devices Type: Plain Text (TEXT/PLAIN)
> Encoding: BASE64
>
> Name: lsusb
> lsusb Type: Plain Text (TEXT/PLAIN)
> Encoding: BASE64
>
> Name: usbmgr.bootlog
> usbmgr.bootlog Type: Plain Text (TEXT/PLAIN)
> Encoding: BASE64
>
> Name: usb.bootlog
> usb.bootlog Type: Plain Text (TEXT/PLAIN)
> Encoding: BASE64
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