Your message dated Wed, 09 Feb 2005 15:47:53 -0500
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and subject line Bug#294368: fixed in libusb 1:0.1.9-3
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From: Aurelien Jarno <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: libusb: Timeouts with usb_bulk_write() and usb_bulk_read()
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Date: Wed, 09 Feb 2005 14:14:12 +0100
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Package: libusb
Severity: grave
Tags: sid
Justification: renders package unusable

Version 0.1.9 of libusb seems to have timeout problems on big
usb_bulk_write or usb_bulk_read transger. The problem has been seen at
least with a scanner and libsane.

The way usb_bulk_write() and usb_bulk_read() are handled in libusb has
changed between version 0.1.8 and 0.1.9. Version 0.1.8 was using an
ioctl in a synchronous way, whereas version 0.1.9 is using the new URB 
kernel interface which accepts asynchronous requests (using multiple 
ioctl).

If the problem is not solved soon, I'll upload a version of libusb
0.1.9, with the usb_bulk_write() and usb_bulk_read() functions of
version 0.1.8. The changes are not big as these two functions are only
20 lines long each. This solution has the advantage to let the new
functions of libusb available.


-- System Information:
Debian Release: 3.1
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.10
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From: Aurelien Jarno <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
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Subject: Bug#294368: fixed in libusb 1:0.1.9-3
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Source: libusb
Source-Version: 1:0.1.9-3

We believe that the bug you reported is fixed in the latest version of
libusb, which is due to be installed in the Debian FTP archive:

libusb-0.1-4_0.1.9-3_i386.deb
  to pool/main/libu/libusb/libusb-0.1-4_0.1.9-3_i386.deb
libusb-dev_0.1.9-3_i386.deb
  to pool/main/libu/libusb/libusb-dev_0.1.9-3_i386.deb
libusb_0.1.9-3.diff.gz
  to pool/main/libu/libusb/libusb_0.1.9-3.diff.gz
libusb_0.1.9-3.dsc
  to pool/main/libu/libusb/libusb_0.1.9-3.dsc



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Aurelien Jarno <[EMAIL PROTECTED]> (supplier of updated libusb package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])


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

Format: 1.7
Date: Wed,  9 Feb 2005 21:09:55 +0100
Source: libusb
Binary: libusb-dev libusb-0.1-4
Architecture: source i386
Version: 1:0.1.9-3
Distribution: unstable
Urgency: medium
Maintainer: Aurelien Jarno <[EMAIL PROTECTED]>
Changed-By: Aurelien Jarno <[EMAIL PROTECTED]>
Description: 
 libusb-0.1-4 - userspace USB programming library
 libusb-dev - userspace USB programming library development files
Closes: 294368
Changes: 
 libusb (1:0.1.9-3) unstable; urgency=medium
 .
   * Urgency set to medium so that fix for bug #294139 propagates to
     testing quickly.
   * Patched the loop condition so that transfers bigger than 16Ko
     work (closes: bug#294368).
Files: 
 5a8fa5df0f2d1e39e2c612c251b744f1 652 libs optional libusb_0.1.9-3.dsc
 6f1bddebdaf74b403fb643ad95642737 26865 libs optional libusb_0.1.9-3.diff.gz
 a0c4ea496cdff9265069574d32995921 20000 libs optional 
libusb-0.1-4_0.1.9-3_i386.deb
 f7f1dd57a3f6954341f2e1b9732b61bc 33880 libdevel optional 
libusb-dev_0.1.9-3_i386.deb

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