On Fri, Nov 20, 2009 at 9:41 AM, Jeff Garzik <jeff@xxxxxxxxxx> wrote: > On 11/20/2009 02:59 AM, Zeno Davatz wrote: >> >> On Thu, Nov 19, 2009 at 9:05 PM, David Miller<davem@xxxxxxxxxxxxx> wrote: >>> >>> From: "Rafael J. Wysocki"<rjw@xxxxxxx> >>> Date: Mon, 16 Nov 2009 23:37:47 +0100 (CET) >>> >>>> This message has been generated automatically as a part of a report >>>> of recent regressions. >>>> >>>> The following bug entry is on the current list of known regressions >>>> from 2.6.31. Please verify if it still should be listed and let me know >>>> (either way). >>>> >>>> >>>> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=14622 >>>> Subject : Second IDE device not found >>>> Submitter : Zeno Davatz<zdavatz@xxxxxxxxx> >>>> Date : 2009-11-11 17:31 (6 days old) >>>> References : http://marc.info/?l=linux-kernel&m=125796105822353&w=4 >>> >>> We're going to need more information to diagnose this. >>> >>> And linux-ide should have been at least CC:'d from the very >>> beginning. >>> >>> From what I can discern the problem is introduced somewhere between >>> 2.6.27 and 2.6.31, you have a Serverworks CSB5 and primarily the issue >>> is that attaching or detaching your CD-ROM driver influences whether >>> both of your disks are properly detected. Correct? >>> >>> You seem to have played around with using the IDE layer vs. the >>> ATA layer. Can you see any difference in behavior if you try >>> using just the IDE layer vs. just the ATA layer with the 2.6.31 >>> kernel? >> >> Please see: >> >> http://www.flickr.com/photos/zrr/4118682747/ >> >> and >> >> http://www.flickr.com/photos/zrr/4119453092/ > > Unfortunately, both of these photos only show that MD (block major 9) device > could not be found for root. > > For either ATA or IDE, we would need to see full dmesg somehow -- perhaps > capturing serial console output? (Documentation/serial-console.txt) Ok, I appended console=ttyS1,9600 console=tty0 to the kernel command line at lilo after choosing the kernel image and I get a ton of output. But how to I save the output to a file? >> I makes no difference if I choose ATA or only IDE. >> >> I am also attaching you my Kernel .config >> >> I could also test with 2.6.32-rc8 (torvalds-git) >> >> I suggest you send me two .config that I can both test with 2.6.31.6 > > I bet libata fails because CONFIG_BLK_DEV_SD is not enabled. Probably want > to enable CONFIG_BLK_DEV_SR too, for libata CD-ROM support. I would be > interested to see your failing ATA config, with IDE disabled. I enabled CONFIG_BLK_DEV_SR. Do you want above test with or without CONFIG_BLK_DEV_SVWKS (OSB4/CSB5) enabled? Best Zeno -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html