MobileRead Forums - View Single Post - Driver problem for PRS-T2 & PRS-T3, but not PRS-T1

DrChiper · 05-31-2014, 04:21 PM

I normally upload books to my PRS-T1 via USB and calibre 1.38 without any problems and store them as:

Code:

<author_name>/<series> - <title>

Recently I obtained an PRS-T3, and started uploading books in the same manner. However, when I tried to make notes (bookmarks, etc) within an uploaded book the note application crashed on the T3. This happened for all newly uploaded books on the T3. However, making notes in the pre-installed example books on the T3 just worked fine, so it is not just the T3 itself.
I tried the same on an PRS-T2 with similar results.

Inspecting the books.db file on T3 revealed that for some reason with all newly uploaded books the correct MIME type string "application/epub+zip" was missing in the database. So the T3 has no idea about the book type. This has no influence for reading the books, however, it just crashes the notes application when you use it. After a crash you can still open the book and by removing the highlight marking everything is then ok again.

I tried to install manually the books in the same manner as calibre would do (actually making a verbatim copy of the book file as previously stored by calibre on the T3), safely stopped the USB connection, disconnected USB, waited until the T3 had processed the newly added books, and tried thereafter to make notes in them. This was successful on every attempt.

Repeating the same kind of upload via calibre however always causes afterwards the T3 notes application to fail when it is used.

In the books.db of the T1 the mime-type setting is also missing for the latest added books, however creating notes there is still working. This can perhaps be explained due to the fact that the firmware on the T2 & T3 is newer, perhaps stricter.

I did see some earlier postings here about something similar for the T2. So it seems something (the calibre Sony driver?) is causing the detection of newly added files to fail for the mime-type, while it is successful when everything is uploaded manually.

Does anybody has similar experiences?

05-31-2014, 04:21 PM	#1
DrChiper Bookish Posts: 1,025 Karma: 2003162 Join Date: Jun 2011 Device: PC, t1, t2, t3, Clara BW, Clara HD, Libra 2, Libra Color, Nxtpaper 11	Driver problem for PRS-T2 & PRS-T3, but not PRS-T1 I normally upload books to my PRS-T1 via USB and calibre 1.38 without any problems and store them as: Code: <author_name>/<series> - <title> Recently I obtained an PRS-T3, and started uploading books in the same manner. However, when I tried to make notes (bookmarks, etc) within an uploaded book the note application crashed on the T3. This happened for all newly uploaded books on the T3. However, making notes in the pre-installed example books on the T3 just worked fine, so it is not just the T3 itself. I tried the same on an PRS-T2 with similar results. Inspecting the books.db file on T3 revealed that for some reason with all newly uploaded books the correct MIME type string "application/epub+zip" was missing in the database. So the T3 has no idea about the book type. This has no influence for reading the books, however, it just crashes the notes application when you use it. After a crash you can still open the book and by removing the highlight marking everything is then ok again. I tried to install manually the books in the same manner as calibre would do (actually making a verbatim copy of the book file as previously stored by calibre on the T3), safely stopped the USB connection, disconnected USB, waited until the T3 had processed the newly added books, and tried thereafter to make notes in them. This was successful on every attempt. Repeating the same kind of upload via calibre however always causes afterwards the T3 notes application to fail when it is used. In the books.db of the T1 the mime-type setting is also missing for the latest added books, however creating notes there is still working. This can perhaps be explained due to the fact that the firmware on the T2 & T3 is newer, perhaps stricter. I did see some earlier postings here about something similar for the T2. So it seems something (the calibre Sony driver?) is causing the detection of newly added files to fail for the mime-type, while it is successful when everything is uploaded manually. Does anybody has similar experiences?