Date: Fri, 22 May 2009 18:40:12 +0100 From: Joe Karthauser <joe@freebsd.org> To: Kip Macy <kip.macy@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: ZFS hanging at kernel boot now, but didn't before... (Re: ZFS MFC heads up) Message-ID: <4A16E37C.2030005@freebsd.org> In-Reply-To: <3c1674c90905211128n45814519o903ee2b6eb3cf195@mail.gmail.com> References: <3c1674c90905201459k19776d53n309b2abeab0f8d0a@mail.gmail.com> <200905202209.n4KM9Bcg094853@lava.sentex.ca> <3c1674c90905201541n65f997e6jaa20d93bf566fb98@mail.gmail.com> <68BDAD74-021A-4169-B003-21A2BCF2AD5C@transsys.com> <4A156AD7.8000003@icyb.net.ua> <4A159482.9080903@freebsd.org> <3c1674c90905211128n45814519o903ee2b6eb3cf195@mail.gmail.com>
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Hi Kip, I seriously don't understand what has happened. If I boot kernel.old I still get the same problem. Very confusing. :(. Joe on 21/05/2009 19:28 Kip Macy said the following: > I have no idea what is happening. I think our best bet is having > someone with insight into ATA provide us with help in adding > diagnostics. > > Sorry for the trouble. Perhaps you can just roll back to 7.2 for now. > > Cheers, > Kip > > > On Thu, May 21, 2009 at 10:50 AM, Joe Karthauser<joe@freebsd.org> wrote: >> Hmm, I've had a bit of a miserable afternoon trying to fight my RELENG_7 >> server, which now doesn't boot. :(. >> >> So, it's a ZRAID2 pool with a ufs/gmirror root partition split over 5 disks >> (gmirror on 500Mb partition on each of five disks, and zraid2 over the rest >> of each drive). >> >> What I did was to update the userland, and then reboot. I didn't upgrade the >> kernel (but I've subsequently done that and have the same problem). >> >> What happens is that the kernel hangs booting just after displaying a LABEL >> message or ZFS pool/spool message. I _can_ get it to boot if I boot single >> user with acpi switched off. When I do that I can manually start zfs, and >> mount all the partitions. However, one of the disks is missing.... more on >> that next. >> >> The machine is running a gigabyte motherboard (domestic gamer P35 board, >> similar to this >> http://www.gigabyte.com.tw/Products/Motherboard/Products_Overview.aspx?ProductID=2533, >> although it might be a DS4 variant). I've got 5 of the 6 sata ports wired >> to a 5 unit SATA hot swap bay (5 drives vertially mounted into 3 5-1/4" bays >> kind of thing). >> >> Now, because of the gmirror I can boot the system on any disk, or >> combination of plugged in disks. I should be able to succeed with the >> kernel probe up to the attempt to mount the root filesystem irrespective of >> any zfs pool, etc. And, indeed, this has been working fine for about two >> years. >> >> But, now it hangs in the same place no matter what disk I boot on (I've >> tried every bay). >> >> But, without ACPI enabled it does appear to boot ok... what's going on here? >> Is it possible that the machine has developed a hardware fault? >> >> Ok, finally, if I boot with ACPI disabled then one of the disks is missing. >> If I unplug it I get a disconnect message from the ata device, and a >> reconnect and reinit attempt when I plug it back in, but no device appears >> on the bus. Usually I can do a 'atacontrol detach sata4; sleep 1; atacontrol >> attach sata4' and the device reappears. This happens on the other buses, but >> not on the last one. It's not the disk, because if I swap it into another >> bay, it comes up and appears on the bus. On the other hand it doesn't appear >> to be that controller or slow in the drive bay because if I unplug all the >> over disks the system will boot that disk and get as far as the hang.... >> hmm. >> >> Is this a consequence of disabling the ACPI? >> >> Does anyone have a clue what might be going on? >> >> Joe >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >> > > >
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