[xfs-masters] next-20081210: BUG: sleeping function called from invalid context at mm/slub.c:1619 (XFS)
hch at lst.de
Thu Dec 11 12:29:55 CST 2008
On Thu, Dec 11, 2008 at 01:10:23PM +0300, Alexander Beregalov wrote:
> BUG: sleeping function called from invalid context at mm/slub.c:1619
> in_atomic(): 1, irqs_disabled(): 0, pid: 8096, name: sh
> INFO: lockdep is turned off.
> Pid: 8096, comm: sh Tainted: G W 2.6.28-rc7-next-20081210 #2
> Call Trace:
> [<ffffffff80256e5a>] ? __debug_show_held_locks+0x1b/0x24
> [<ffffffff8022fb55>] __might_sleep+0x120/0x122
> [<ffffffff8029c526>] __kmalloc+0x70/0xfc
> [<ffffffff803534d2>] kmem_alloc+0x75/0xd7
> [<ffffffff803350ba>] xfs_fs_vcmn_err+0x46/0x94
> [<ffffffff80335297>] xfs_fs_cmn_err+0x59/0x5e
xfs_fs_vcmn_err does a sleeping memory allocation under a spinlock,
nasty. I have an idea that will get rid of the memory allocation
completely, I'll come back to you once I have hacked something up.
> Filesystem "sda2": xlog_space_left: head behind tail
> tail_cycle = 1802201963, tail_bytes = -690563584
> GH cycle = 3078, GH bytes = 69183384
This btw is a bug, too..
More information about the xfs