Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 29 Oct 2000 00:39:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 29 Oct 2000 00:39:14 -0400 Received: from z211-19-80-152.dialup.wakwak.ne.jp ([211.19.80.152]:2809 "EHLO 220fx.luky.org") by vger.kernel.org with ESMTP id ; Sun, 29 Oct 2000 00:39:07 -0400 To: axboe@suse.de Cc: shibata@luky.org, linux-kernel@vger.kernel.org Subject: Re: patch: atapi dvd-ram support In-Reply-To: <20001028201047.A5879@suse.de> In-Reply-To: <20001028134056.J3919@suse.de> <20001029120703Y.shibata@luky.org> <20001028201047.A5879@suse.de> X-Mailer: Mew version 1.94.2 on XEmacs 21.1 (Canyonlands) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20001029134145N.shibata@luky.org> Date: Sun, 29 Oct 2000 13:41:45 +0900 From: Hisaaki Shibata X-Dispatcher: imput version 20000228(IM140) Lines: 87 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Thanks again. > > > Ok, does /proc/sys/dev/cdrom/info list DVD-RAM as a capability? > > CD-ROM information, Id: cdrom.c 3.12 2000/10/22 > > > > Can write DVD-RAM: 1 > > So far, so good. :-) > > Should I set any flags to permit write a DVD-RAM media ? > > No, as I said it should detect it automatically. But d'oh, I > just realised that it is set too soon... Sorry, try with this > patch. Thank you for your quick response. I tried the patch. But kernel said Oops both fdisk /dev/hdc and dd if=/dev/zero of=/dev/hdc bs=2048 count=1 . strace dd if=/dev/zero of=/dev/hdc bs=2048 count=1 shows ----------------------------------------------------------------------------- [root@celto shibata]# strace dd if=/dev/zero of=/dev/hdc bs=2048 count=1 execve("/bin/dd", ["dd", "if=/dev/zero", "of=/dev/hdc", "bs=2048", "count=1"], [/* 19 vars */]) = 0 brk(0) = 0x80504a8 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40013000 open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat(3, {st_mode=S_IFREG|0644, st_size=19214, ...}) = 0 old_mmap(NULL, 19214, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40014000 close(3) = 0 open("/lib/libc.so.6", O_RDONLY) = 3 fstat(3, {st_mode=S_IFREG|0755, st_size=5224080, ...}) = 0 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0(\215\1"..., 4096) = 4096 old_mmap(NULL, 941692, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40019000 mprotect(0x400f7000, 32380, PROT_NONE) = 0 old_mmap(0x400f7000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0xdd000) = 0x400f7000 old_mmap(0x400fc000, 11900, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400fc000 close(3) = 0 munmap(0x40014000, 19214) = 0 personality(PER_LINUX) = 0 getpid() = 709 brk(0) = 0x80504a8 brk(0x80504e0) = 0x80504e0 brk(0x8051000) = 0x8051000 close(0) = 0 open("/dev/zero", O_RDONLY|O_LARGEFILE) = 0 close(1) = 0 open("/dev/hdc", O_WRONLY|O_CREAT|O_TRUNC|O_LARGEFILE, 0666) = -1 ENOSYS (Function not implemented) open("/dev/hdc", O_WRONLY|O_CREAT|O_TRUNC|O_LARGEFILE, 0666) = -1 ENOSYS (Function not implemented) open("/dev/hdc", O_WRONLY|O_CREAT|O_TRUNC|O_LARGEFILE, 0666) = 1 rt_sigaction(SIGINT, NULL, {SIG_DFL}, 8) = 0 rt_sigaction(SIGINT, {0x804adec, [], 0x4000000}, NULL, 8) = 0 rt_sigaction(SIGQUIT, NULL, {SIG_DFL}, 8) = 0 rt_sigaction(SIGQUIT, {0x804adec, [], 0x4000000}, NULL, 8) = 0 rt_sigaction(SIGPIPE, NULL, {SIG_DFL}, 8) = 0 rt_sigaction(SIGPIPE, {0x804adec, [], 0x4000000}, NULL, 8) = 0 rt_sigaction(SIGUSR1, NULL, {SIG_DFL}, 8) = 0 rt_sigaction(SIGUSR1, {0x804aeac, [], 0x4000000}, NULL, 8) = 0 brk(0x8054000) = 0x8054000 read(0, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 2048) = 2048 write(1, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 2048) = 2048 write(2, "1+0 records in\n", 151+0 records in ) = 15 write(2, "1+0 records out\n", 161+0 records out ) = 16 close(0) = 0 close(1 ----------------------------------------------------------------------------- After showing above strace message in a few seconds, kernel panic happened. I can not see some head line of Oops messages. Sorry. Please let me test more patches. I will keep up with you. Best Regards, -- WWWWW shibata@luky.org |O-O| Hisaaki Shibata 0(mmm)0 P-mail: 070-5419-3233 IRC: #luky ~ http://his.luky.org/ last update:2000.3.12 - 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/