Hi Tony, Now that I have added the dma fix in addition to the idle support patchset I can do clean shutdowns (versus removing battery :)) and see the following final warning during shutdown: [ 3724.136474] reboot: Power down [ 3724.139770] ------------[ cut here ]------------ [ 3724.144683] WARNING: CPU: 0 PID: 3076 at kernel/locking/lockdep.c:2742 lockdep_trace_alloc+0xd8/0xf8() [ 3724.154510] DEBUG_LOCKS_WARN_ON(irqs_disabled_flags(flags)) [ 3724.160217] Modules linked in: [ 3724.163665] CPU: 0 PID: 3076 Comm: halt Not tainted 3.15.0-rc5-00035-gf6796c0 #89 [ 3724.171630] [<c0014cdc>] (unwind_backtrace) from [<c0011924>] (show_stack+0x10/0x14) [ 3724.179840] [<c0011924>] (show_stack) from [<c056baf0>] (dump_stack+0x80/0x9c) [ 3724.187499] [<c056baf0>] (dump_stack) from [<c003fc44>] (warn_slowpath_common+0x68/0x8c) [ 3724.196044] [<c003fc44>] (warn_slowpath_common) from [<c003fcfc>] (warn_slowpath_fmt+0x30/0x40) [ 3724.205261] [<c003fcfc>] (warn_slowpath_fmt) from [<c00855cc>] (lockdep_trace_alloc+0xd8/0xf8) [ 3724.214385] [<c00855cc>] (lockdep_trace_alloc) from [<c0111e80>] (__kmalloc_track_caller+0x38/0x184) [ 3724.224060] [<c0111e80>] (__kmalloc_track_caller) from [<c00f0e1c>] (kmemdup+0x1c/0x38) [ 3724.232543] [<c00f0e1c>] (kmemdup) from [<c0383a70>] (regmap_bulk_write+0xf8/0x19c) [ 3724.240661] [<c0383a70>] (regmap_bulk_write) from [<c038df6c>] (twl_i2c_write+0x48/0x8c) [ 3724.249237] [<c038df6c>] (twl_i2c_write) from [<c038fb48>] (twl4030_power_off+0x20/0x40) [ 3724.257781] [<c038fb48>] (twl4030_power_off) from [<c000f394>] (machine_power_off+0x24/0x2c) [ 3724.266723] [<c000f394>] (machine_power_off) from [<c00640d4>] (SyS_reboot+0xf0/0x1dc) [ 3724.275115] [<c00640d4>] (SyS_reboot) from [<c000e6a0>] (ret_fast_syscall+0x0/0x48) [ 3724.283203] ---[ end trace b06de91d3cd82ea1 ]--- Is this already being worked on or should I try to trace the problem? -- Sebastian
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