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SubjectRe: [OOPS] 2.6.9-rc4, dual Opteron, NUMA, 8GB
Brad Fitzpatrick wrote:
> On Wed, 13 Oct 2004, Jeff Garzik wrote:
>
>
>>Brad Fitzpatrick wrote:
>>
>>>I'm reporting an oops. Details follow.
>>>
>>>I have two of these machines. I will happily be anybody's guinea pig
>>>to debug this. (more details, access to machine, try patches, kernels...)
>>>Machines aren't in production.
>>>
>>>- Brad
>>>
>>>
>>>Kernel: 2.6.9-rc4 vanilla (.config below)
>>>
>>>Hardware: IBM eServer 325, Dual Opteron 8GB ram (more info below)
>>>
>>>Pre-crash and crash:
>>>
>>>a1:~# mke2fs /dev/mapper/raid10-data
>>>mke2fs 1.35 (28-Feb-2004)
>>>Filesystem label=
>>>OS type: Linux
>>>Block size=4096 (log=2)
>>>Fragment size=4096 (log=2)
>>>25608192 inodes, 51200000 blocks
>>>2560000 blocks (5.00%) reserved for the super user
>>>First data block=0
>>>1563 block groups
>>>32768 blocks per group, 32768 fragments per group
>>>16384 inodes per group
>>>Superblock backups stored on blocks:
>>> 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
>>> 4096000, 7962624, 11239424, 20480000, 23887872
>>>
>>>Writing inode tables: 1091/1563
>>>Message from syslogd@localhost at Wed Oct 13 11:46:01 2004 ...
>>>localhost kernel: Oops: 0000 [1] SMP
>>>
>>>Message from syslogd@localhost at Wed Oct 13 11:46:01 2004 ...
>>>localhost kernel: CR2: 0000000000001770
>>
>>
>>What's your block device configuration? What block devices are sitting
>>on top of what other block devices?
>
>
> /dev/mapper/raid10-data is a LV taking 200GB of a 280GB VG ("raid10") with
> a single PV in it: /dev/sdb1 -- ips driver, IBM ServeRAID 6M card,
> representing a RAID 10 atop 8 SCSI disks.
>
> I just made a new kernel without NUMA and made a filesystem on /dev/sdb1
> directly instead of using LVM and it worked fine, if not a little slowly.
>
> Now that I know it /can/ work, I'll try and narrow down whose fault it is:
> NUMA or LVM.

Very similar to
http://marc.theaimsgroup.com/?l=linux-kernel&m=109328505204081&w=2
and its follow-up:
http://marc.theaimsgroup.com/?l=linux-kernel&m=109330259511819&w=2

but no solutions there.

--
~Randy
MOTD: Always include version info.
(Again. Sometimes I think ln -s /usr/src/linux/.config .signature)
-
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