Re: Locking problem in usbserial with 2.6.23-git 5a34417f
Larry Finger <[email protected]>
| Newsgroups | gmane.linux.usb.devel,gmane.linux.kernel |
|---|---|
| Message-ID | <[email protected]> |
Jiri Kosina wrote: > On Fri, 19 Oct 2007, Larry Finger wrote: > >> As I said earlier, the lock problem went away; however, I get the >> following two kernel warnings: > > That's because I messed up the patch, sorry. The one below should work > better. > > > > From: Jiri Kosina <[email protected]> > > USB: usbserial - fix potential deadlock between write() and IRQ > > usb_serial_generic_write() doesn't disable interrupts when taking port->lock, > and could therefore deadlock with usb_serial_generic_read_bulk_callback() > being called from interrupt, taking the same lock. Fix it. > > Signed-off-by: Jiri Kosina <[email protected]> It does work better. With it, I was able to make a dial-up connection and send pings over it. Larry ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel