Or Gerlitz wrote:
> However, for the mean time can more people of the openib and
> open iscsi communities set 2.6.17-rcX to see that the issue
> reproduces with my synthetic module and with ib/iscsi code (you
> know this kernel will be out in few weeks from now...)
For what it's worth:
On a dual opteron running 2.6.17-rc2-git6 with reiser4 for 2.6.16
patch:
md layer, raid5 on 4 disks, no other stuff then that.
at 23:38 I said: mdadm --stop /dev/md6
May 2 20:38:27 jip kernel: <5>reiser4[dd(2791)]: disable_write_barrier (fs/reiser4/wander.c:234)[zam-1055]:
May 2 20:38:27 jip kernel: NOTICE: md6 does not support write barriers, using synchronous write instead.
May 2 20:38:27 jip kernel:
May 3 23:38:19 jip kernel: slab error in kmem_cache_destroy(): cache `raid5/md6': Can't free all objects
May 3 23:38:19 jip kernel:
May 3 23:38:19 jip kernel: Call Trace: <ffffffff802749cc>{kmem_cache_destroy+156}
May 3 23:38:19 jip kernel: <ffffffff8044ed71>{shrink_stripes+33} <ffffffff80452993>{stop+51}
May 3 23:38:19 jip kernel: <ffffffff8045daf5>{do_md_stop+245} <ffffffff80255035>{filemap_nopage+389}
May 3 23:38:19 jip kernel: <ffffffff8045f648>{md_ioctl+744} <ffffffff802631a0>{do_no_page+576}
May 3 23:38:19 jip kernel: <ffffffff8035ba14>{blkdev_driver_ioctl+100} <ffffffff8035bc3d>{blkdev_ioctl+493}
May 3 23:38:19 jip kernel: <ffffffff80369451>{__up_read+33} <ffffffff802826bb>{block_ioctl+27}
May 3 23:38:19 jip kernel: <ffffffff8028c83a>{do_ioctl+58} <ffffffff8028cb61>{vfs_ioctl+449}
May 3 23:38:19 jip kernel: <ffffffff8028cbdd>{sys_ioctl+77} <ffffffff802a814b>{do_ioctl32_pointer+11}
May 3 23:38:19 jip kernel: <ffffffff802a61e2>{compat_sys_ioctl+386} <ffffffff8021c85e>{ia32_sysret+0}
May 3 23:38:19 jip kernel: md: md6 stopped.
Second system, same specs, except running drbd on all sata disks instead of
raid5 (yes, external module):
May 3 15:49:19 localhost kernel: drbd1: drbd_cleanup: (!list_empty(&mdev->data.work.q)) in /usr/src/kernel/tyan-s2891/git/modules/drbd/drbd/drbd_main.c:2173
May 3 15:49:19 localhost kernel: drbd1: lp = ffff81007c4f8888 in /usr/src/kernel/tyan-s2891/git/modules/drbd/drbd/drbd_main.c:2176
May 3 15:49:19 localhost kernel: slab error in kmem_cache_destroy(): cache `drbd_ee_cache': Can't free all objects
May 3 15:49:19 localhost kernel:
May 3 15:49:19 localhost kernel: Call Trace: <ffffffff802749cc>{kmem_cache_destroy+156}
May 3 15:49:19 localhost kernel: <ffffffff8807df01>{:drbd:drbd_destroy_mempools+113}
May 3 15:49:19 localhost kernel: <ffffffff8807f2f2>{:drbd:drbd_cleanup+1074} <ffffffff802484e8>{sys_delete_module+312}
May 3 15:49:19 localhost kernel: <ffffffff802663b5>{sys_munmap+85} <ffffffff80209b5a>{system_call+126}
May 3 15:49:19 localhost kernel: drbd: kmem_cache_destroy(drbd_ee_cache) FAILED
May 3 15:49:19 localhost kernel: slab error in kmem_cache_destroy(): cache `drbd_req_cache': Can't free all objects
May 3 15:49:19 localhost kernel:
May 3 15:49:19 localhost kernel: Call Trace: <ffffffff802749cc>{kmem_cache_destroy+156}
May 3 15:49:19 localhost kernel: <ffffffff8807df24>{:drbd:drbd_destroy_mempools+148}
May 3 15:49:19 localhost kernel: <ffffffff8807f2f2>{:drbd:drbd_cleanup+1074} <ffffffff802484e8>{sys_delete_module+312}
May 3 15:49:19 localhost kernel: <ffffffff802663b5>{sys_munmap+85} <ffffffff80209b5a>{system_call+126}
May 3 15:49:19 localhost kernel: drbd: kmem_cache_destroy(drbd_request_cache) FAILED
May 3 15:49:19 localhost kernel: drbd: module cleanup done.
NUMA and such is enabled
--
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