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Old 09-30-2012, 12:07 AM
Jonathan Nieder
 
Default Bug#649937: usb: timeouts trying to mount thumb drive, "device descriptor read/64, error -60"

Hi Gabriel,

In February, Jonathan Nieder wrote:
> Jonathan Nieder wrote:
>> Gabriel VLASIU wrote, using v3.2-rc7:

>>> USB drive is recognized only the first time. Does not matter which USB
>>> port I use. See attached file.
> [...]
>>> usb 1-3: USB disconnect, device number 2
>>> usb 3-1: new full-speed USB device number 2 using ohci_hcd
>>> usb 3-1: device descriptor read/64, error -73
>>> hub 3-0:1.0: unable to enumerate USB device on port 1
> [...]
>> This is -ETIME.
> [...]
>>> usb 3-2: new full-speed USB device number 7 using ohci_hcd
>>> INFO: task khubd:124 blocked for more than 120 seconds.
>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>> khubd D 00000000100a62b4 0 124 2 0x48000000000
>>> Call Trace:
>>> [00000000100a5704] usb_kill_urb+0xac/0xd8 [usbcore]
[...]
> Ok, we should take this upstream.
>
> Please send a summary of symptoms to sparclinux@vger.kernel.org,
> cc-ing linux-usb@vger.kernel.org and either me or this bug log so we
> can track it. Be sure to mention:

Is there anything I can do to help work on this bug? If you just
haven't had time, that's fine; on the other hand if you no longer have
access to this machine or have lost interest for some other reason,
that's fine, too, but please let us know either way so we can plan
accordingly.

Thanks for your help, and sorry for taking the bait when reading some
venting last month. I hope we can get this fixed soon.

Sincerely,
Jonathan


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Old 10-01-2012, 08:39 AM
Gabriel VLASIU
 
Default Bug#649937: usb: timeouts trying to mount thumb drive, "device descriptor read/64, error -60"

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hi!

On Sat, 29 Sep 2012, Jonathan Nieder wrote:

> Is there anything I can do to help work on this bug? If you just
> haven't had time, that's fine; on the other hand if you no longer have
> access to this machine or have lost interest for some other reason,
> that's fine, too, but please let us know either way so we can plan
> accordingly.
>
> Thanks for your help, and sorry for taking the bait when reading some
> venting last month. I hope we can get this fixed soon.
Thank you for reminding me. I completely forgot about this.

Well, I re-tested everything today with kernel 2.6.32 and 3.2.0. Same
thing. I saw that there is an experimental kernel 3.5 and I gave it a try.
Well, there are good news and bad news. The good news is that the usb
problem is gone. Tested with 2 usb-drives several times (I think any
combination of usb ports + usb drive(s)). The bad news is I cannot boot
this kernel. mdadm does not want to assemble the raid arrays, and mount
also does not work (old version of mdadm/util-linux?).

Anyway, I think you can close this bug since 3.5 seems to work fine.


Sincerely,
Gabriel

- --

// Gabriel VLASIU
//
// OpenGPG-KeyID : 44952F15
// OpenGPG-Fingerprint: 4AC5 7C26 2FE9 02DA 4906 24B2 D32B 7ED7 4495 2F15
// OpenGPG-URL : http://www.vlasiu.net/public.key


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Old 10-01-2012, 08:57 AM
Jonathan Nieder
 
Default Bug#649937: usb: timeouts trying to mount thumb drive, "device descriptor read/64, error -60"

found 649937 linux-2.6/2.6.32-46 , linux/3.2.30-1
quit

Gabriel VLASIU wrote:

> Well, I re-tested everything today with kernel 2.6.32 and 3.2.0. Same
> thing.

I assume that means 3.2.30-1 and 2.6.32-46 are affected. Thanks,
marking so.

> I saw that there is an experimental kernel 3.5 and I gave it a try.
> Well, there are good news and bad news. The good news is that the usb
> problem is gone. Tested with 2 usb-drives several times (I think any
> combination of usb ports + usb drive(s)). The bad news is I cannot boot
> this kernel. mdadm does not want to assemble the raid arrays, and mount
> also does not work (old version of mdadm/util-linux?).

Maybe you are running into some variation on
<http://bugs.debian.org/688711>. When I ran into it, I gave up on
debugging and switched to 3.6-rc7. Hopefully there will be a package
of 3.6 soon to try.

How did you test the usb problem without being able to boot?

Jonathan


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Old 10-01-2012, 11:17 AM
Gabriel VLASIU
 
Default Bug#649937: usb: timeouts trying to mount thumb drive, "device descriptor read/64, error -60"

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Mon, 1 Oct 2012, Jonathan Nieder wrote:

> I assume that means 3.2.30-1 and 2.6.32-46 are affected. Thanks,
> marking so.
Yes.

> Maybe you are running into some variation on
> <http://bugs.debian.org/688711>. When I ran into it, I gave up on
> debugging and switched to 3.6-rc7. Hopefully there will be a package
> of 3.6 soon to try.
No. mdadm really _does_ not work. You cannot assemble any raid array.
"mdadm -Ebsc partitions" output is the same as in /etc/mdadm/mdadm.conf.
Still, mdadm cannot assemble any array.

Mount work, just need -t ext3 on command line.

> How did you test the usb problem without being able to boot?
- From initramfs prompt.

1. mkdir -p /mnt/1
2. Insert usb-drive.
3. Wait for /dev/sdX1 to become available (output is on the screen).
4. mount -t ext3 /dev/sdX1 /mnt/1
4. umount /dev/sdX1
5. Remove usb-drive
6. jmp 2

Done that with 3.5.2-1~experimental.1 and worked every time (40+ times).

Anyway, something weird was happening. Before booting
3.5.2-1~experimental.1 I was able to mount usb-drive exactly one time.

Now, with kernel 2.6.32-46 (from initramfs or from fully booted OS) I can
mount my usb-drive sometime 12-15, sometime even more. Pretty random. But
almost always I get "device descriptor read/64, error -60". And I say
almost because the last time I was unable to do so.

Also I was, at least one time, unable to mount the usb-drive not a single
time (I reboot when I get "device descriptor read/64, error -60").
Weird!


Sincerely,
Gabriel

- --

// Gabriel VLASIU
//
// OpenGPG-KeyID : 44952F15
// OpenGPG-Fingerprint: 4AC5 7C26 2FE9 02DA 4906 24B2 D32B 7ED7 4495 2F15
// OpenGPG-URL : http://www.vlasiu.net/public.key


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Ben de Groot schrieb:
> Since CIA.vc is dead [1], I think we should be looking into a
> replacement service, or host our own [2].

I understand that ohloh is already tracking us (sometimes at least).
http://www.ohloh.net/p/gentoo/


Best regards,
Ch*-Thanh Christopher Nguy?n
 

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