From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: Re: logs attached. Re: [Xen-users] Can not find the cdrom device in /dev/ afterbooted into xen(3.0.3) Date: Fri, 01 Dec 2006 18:58:13 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser , Liang Yang , tim.post@netkinetics.net, "Petersson, Mats" Cc: xen-devel@lists.xensource.com, xen-users@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Lspci -vvv output for native and Xen kernels may be useful, just for device 00:1f.1 (the IDE device). Then we could see which I/O resources the device is claiming in each case -- Keir On 1/12/06 6:56 pm, "Keir Fraser" wrote: > Actually, now I look closer it seems that on native the IDE I/O ports are > detected as 0x1860-0x1867, but the Xen kernel is failing to detect this and > is then failing to register at the default 0x1f0, probably because a legacy > ISA IDE driver is registered there. So there is definitely something odd > going on here but tracking it down will probably require adding some kernel > tracing (e.g., to ide_hwif_configure(), to determine why it is failing to > find the special location of the IDE I/O ports). > > -- Keir > > On 1/12/06 6:48 pm, "Liang Yang" wrote: > >> I just download Xen source and do "make world;make >> install;depmod..;mkinitrd...". I don't know which config file will be used >> if I build Xen like this (maybe the config-2.6.16.29-xen under the directory >> dist/install/boot). >> >> I did a grep with "CONFIG_BLK_DEV_PIIX" and found it it set to m in the >> config-2.6.16.29-xen. I did a modprobe piix, however my CD-ROM is still not >> fired up (nothing is show up /dev/ as either cdrom or hd*). >> >> Liang >> >> ----- Original Message ----- >> From: "Keir Fraser" >> To: "Liang Yang" ; ; >> "Petersson, Mats" >> Cc: ; >> Sent: Friday, December 01, 2006 11:34 AM >> Subject: [Xen-devel] Re: logs attached. Re: [Xen-users] Can not find the >> cdrom device in /dev/ afterbooted into xen(3.0.3) >> >> >>> On 1/12/06 6:27 pm, "Liang Yang" wrote: >>> >>>> Hi Tim, Keir and Mats, >>>> >>>> I attached all the detailed log files (text file format). The file >>>> extension >>>> indicate the version of environment. Please take a look. >>> >>> ESB2 should be supported by the piix IDE driver. Which XenLinux kernel >>> config are you using? Either you need the driver compiled into the kernel, >>> or you need to load it as a module. Look for a line containing >>> CONFIG_BLK_DEV_PIIX in your .config -- it should be "=m" or "=y". >>> >>> If it's compiled as a module, and you installed the modules on your >>> filesystem, you may be able to fire up the CDROM drive by typing 'modprobe >>> piix'. >>> >>> -- Keir >>> >>> >>> _______________________________________________ >>> Xen-devel mailing list >>> Xen-devel@lists.xensource.com >>> http://lists.xensource.com/xen-devel >>> >> >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@lists.xensource.com >> http://lists.xensource.com/xen-devel >