Hi, after upgrading from 3.8.0-rc7 to 3.9.0-rc1, the following message appears after booting and after dm-crypt (LUKS) partitions are mounted and exported via NFS: ------------------------------- INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. Call Trace: [eecc3bd0] [c0008e98] show_stack+0x48/0x15c (unreliable) [eecc3c10] [c0071464] __lock_acquire+0x1734/0x18f4 [eecc3cb0] [c0071a88] lock_acquire+0x50/0x6c [eecc3cd0] [c004aee8] flush_work+0x3c/0x26c [eecc3d40] [c004d318] __cancel_work_timer+0x98/0xf0 [eecc3d70] [c04ecebc] xs_destroy+0x1c/0x78 [eecc3d90] [c04ea2e4] xprt_destroy+0x60/0x74 [eecc3da0] [c04e95d8] rpc_free_client+0x138/0x158 [eecc3dc0] [c04e96b8] rpc_shutdown_client+0xc0/0xd4 [eecc3e10] [c04f9834] rpcb_put_local+0x118/0x148 [eecc3e30] [c04f39f0] svc_rpcb_cleanup+0x20/0x34 [eecc3e40] [c017bfcc] nfsd_last_thread+0xf0/0x108 [eecc3e60] [c04f3608] svc_shutdown_net+0x38/0x4c [eecc3e70] [c017c788] nfsd_destroy+0xe8/0x10c [eecc3e90] [c017c8a4] nfsd+0xf8/0x11c [eecc3eb0] [c0052298] kthread+0xa8/0xac [eecc3f40] [c00107d0] ret_from_kernel_thread+0x64/0x6c ------------------------------- This has been reported in January[0] and a bad commit has been singled out: > commit ec8acf20afb8534ed511f6613dd2226b9e301010 > Author: Shaohua Li <shli@xxxxxxxxxx> > Date: Fri Feb 22 16:34:38 2013 -0800 > > swap: add per-partition lock for swapfile However, git-revert'ing this commit did not help in my case (powerpc32, uni processor). Please find full dmesg & .config here: http://nerdbynature.de/bits/3.9.0-rc1/ Thanks, Christian. [0] http://www.spinics.net/lists/linux-mm/msg50068.html -- BOFH excuse #63: not properly grounded, please bury computer -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>