From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 5 Jan 2001 20:40:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 5 Jan 2001 20:39:53 -0500 Received: from smtp2.libero.it ([193.70.192.52]:37031 "EHLO smtp2.libero.it") by vger.kernel.org with ESMTP id ; Fri, 5 Jan 2001 20:39:44 -0500 Date: Sat, 6 Jan 2001 04:40:47 +0100 From: antirez To: antirez Cc: Greg KH , Heitzso , "'linux-kernel@vger.kernel.org'" , "'Johannes Erdfelt'" Subject: Re: USB broken in 2.4.0 Message-ID: <20010106044047.B1748@prosa.it> Reply-To: antirez@invece.org In-Reply-To: <20010105100040.A25217@wirex.com> <20010106000429.K7784@prosa.it> <20010106033936.A1748@prosa.it> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010106033936.A1748@prosa.it>; from antirez@invece.org on Sat, Jan 06, 2001 at 03:39:36AM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jan 06, 2001 at 03:39:36AM +0100, antirez wrote: > s10sh reads 0x1400 bytes at once downloading jpges from the > digicam, but the ioctl() that performs the bulk read fails with 2.4 > using this size. If I resize it (for example to 0x300) it works without > problems (with high performace penality, of course, 60% of slow-down). I checked it better: the largest bulk read I can perform is of 4096 bytes (up to 5120 bytes with old kernels). antirez (please CC me) -- Salvatore Sanfilippo | http://www.kyuzz.org/antirez | PGP: finger antirez@tella.alicom.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/