On Wed, Jun 17 2009 at 6:42pm -0400, Mike Snitzer <snitzer@xxxxxxxxxx> wrote: > On Wed, Jun 17 2009 at 6:22pm -0400, > NeilBrown <neilb@xxxxxxx> wrote: > > > > > You wanted dm-devel@xxxxxxxxxx, not linux-raid@xxxxxxxxxxxxxxxx > > > > NeilBrown > > > > > > On Thu, June 18, 2009 7:35 am, Jeremy Fitzhardinge wrote: > > > I just saw this when booting a current linux-2.6.git kernel > > > (3fe0344faf7fdcb158bd5c1a9aec960a8d70c8e8). > > > .config and full bootlog attached. > > > > > > BUG: sleeping function called from invalid context at > > > /home/jeremy/git/linux/mm/slab.c:3029 > > > in_atomic(): 1, irqs_disabled(): 0, pid: 388, name: lvm > > > Pid: 388, comm: lvm Not tainted 2.6.30 #225 > > > Call Trace: > > > [<ffffffff81137a65>] ? __init_rwsem+0x29/0x39 > > > [<ffffffff81035346>] __might_sleep+0x110/0x112 > > > [<ffffffff810acf07>] kmem_cache_alloc+0x38/0x12b > > > [<ffffffff810a71d4>] ? mempool_alloc_pages_isa+0x0/0x10 > > > [<ffffffff8108a5df>] mempool_create_node+0x2f/0x152 > > > [<ffffffff8108a31c>] ? mempool_free_pages+0x0/0xb > > > [<ffffffff8108a70f>] mempool_create+0xd/0xf > > > [<ffffffff810a71ad>] init_emergency_isa_pool+0x28/0x4f > > > [<ffffffff81127b90>] blk_queue_bounce_limit+0x40/0x56 > > > [<ffffffffa00f856c>] dm_table_set_restrictions+0x82/0xa6 [dm_mod] > > > [<ffffffffa00f6415>] dm_swap_table+0x132/0x15a [dm_mod] > > > [<ffffffffa00faf61>] dev_suspend+0xfd/0x177 [dm_mod] > > > [<ffffffffa00fb959>] dm_ctl_ioctl+0x252/0x2a2 [dm_mod] > > > [<ffffffffa00fae64>] ? dev_suspend+0x0/0x177 [dm_mod] > > > [<ffffffff810bd4c0>] vfs_ioctl+0x2a/0x77 > > > [<ffffffff810bd9b4>] do_vfs_ioctl+0x4a7/0x4fa > > > [<ffffffff810bda5e>] sys_ioctl+0x57/0x7a > > > [<ffffffff81011042>] system_call_fastpath+0x16/0x1b > > > This has been resolved and is waiting to be pushed along with the rest > of the DM changes for 2.6.31. > > See: > ftp://ftp.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-table-establish-queue-limits-by-copying-table-limits.patch > > Maybe this fix should go now rather than wait a day or so for the larger > DM push? But in order to do so this patch needs to be merged first: ftp://ftp.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-table-replace-struct-io_restrictions-with-struct-queue_limits.patch I'll defer to Alasdair on whether we want to push the DM changes in 2 batches in light of the current linux-2.6 DM breakage that occurred as a side-effect of some block changes. Mike -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
