Messages in this thread | | | Date | Mon, 25 Mar 2013 17:53:51 +0100 | From | Hector Palacios <> | Subject | Re: BUG: soft lockup when recording audio on MX28EVK with ASoC sgtl5000 |
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On 03/25/2013 04:25 PM, Shawn Guo wrote: > On Mon, Mar 25, 2013 at 01:10:54PM +0100, Marek Vasut wrote: >> Dear Hector Palacios, >> >> CCing Shawn, this might also explain the touchscreen issue. >> >>> Hello, >>> >>> I just tried recording audio on Freescale's MX28EVK that uses ASoC sgtl5000 >>> (kernel v3.8) with: >>> >>> arecord -M -f cd sound.wav --duration 10 >>> >>> and got a scheduler message: >>> >>> [ 789.041847] [sched_delayed] sched: RT throttling activated > > Hmm, I'm not sure if v3.8 is the first place where audio recording gets > broken. Does v3.7 even work for you?
No it doesn't. Same issue. Apparently a little different order (first the 'BUG soft lockup', then the 'sched: RT throttling activated')
~# arecord -M -f cd sound.wav --duration 10 Recording WAVE 'sound.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo overrun!!! (at least 0.063 ms long) [ 188.070000] BUG: soft lockup - CPU#0 stuck for 23s! [arecord:230] [ 188.070000] Modules linked in: [ 188.070000] irq event stamp: 2318718 [ 188.070000] hardirqs last enabled at (2318717): [<c000ee68>] __irq_svc+0x48/0x54 [ 188.070000] hardirqs last disabled at (2318718): [<c000ee54>] __irq_svc+0x34/0x54 [ 188.070000] softirqs last enabled at (2317860): [<c0025e98>] __do_softirq+0x13c/0x220 [ 188.070000] softirqs last disabled at (2317847): [<c002606c>] irq_exit+0x8c/0x94 [ 188.070000] [ 188.070000] Pid: 230, comm: arecord [ 188.070000] CPU: 0 Not tainted (3.7.0-00027-g46709ea-dirty #8) [ 188.070000] PC is at __flush_whole_cache+0x4/0x18 [ 188.070000] LR is at unmap_kernel_range+0x10/0x2c [ 188.070000] pc : [<c001a048>] lr : [<c00c30d4>] psr: 00000013 [ 188.070000] sp : cf7b3e68 ip : 00000000 fp : 00000000 [ 188.070000] r10: 00040000 r9 : cf6d4e00 r8 : c061a7dc [ 188.070000] r7 : d0804000 r6 : d0940000 r5 : d0944000 r4 : d0940000 [ 188.070000] r3 : 20000008 r2 : 00000004 r1 : 00004000 r0 : d0940000 [ 188.070000] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 188.070000] Control: 0005317f Table: 4ec2c000 DAC: 00000015 [ 188.070000] [<c00151ac>] (unwind_backtrace+0x0/0xf4) from [<c006bd84>] (watchdog_timer_fn+0x128/0x168) [ 188.070000] [<c006bd84>] (watchdog_timer_fn+0x128/0x168) from [<c00422cc>] (__run_hrtimer+0x7c/0x1e8) [ 188.070000] [<c00422cc>] (__run_hrtimer+0x7c/0x1e8) from [<c00427e4>] (hrtimer_interrupt+0x110/0x310) [ 188.070000] [<c00427e4>] (hrtimer_interrupt+0x110/0x310) from [<c001a780>] (mxs_timer_interrupt+0x1c/0x28) [ 188.070000] [<c001a780>] (mxs_timer_interrupt+0x1c/0x28) from [<c006c404>] (handle_irq_event_percpu+0x5c/0x26c) [ 188.070000] [<c006c404>] (handle_irq_event_percpu+0x5c/0x26c) from [<c006c650>] (handle_irq_event+0x3c/0x5c) [ 188.070000] [<c006c650>] (handle_irq_event+0x3c/0x5c) from [<c006ec14>] (handle_level_irq+0x8c/0x118) [ 188.070000] [<c006ec14>] (handle_level_irq+0x8c/0x118) from [<c006c398>] (generic_handle_irq+0x28/0x30) [ 188.070000] [<c006c398>] (generic_handle_irq+0x28/0x30) from [<c00100fc>] (handle_IRQ+0x30/0x84) [ 188.070000] [<c00100fc>] (handle_IRQ+0x30/0x84) from [<c00086ec>] (icoll_handle_irq+0x30/0x44) [ 188.070000] [<c00086ec>] (icoll_handle_irq+0x30/0x44) from [<c000ee64>] (__irq_svc+0x44/0x54) [ 188.070000] Exception stack(0xcf7b3e20 to 0xcf7b3e68) [ 188.070000] 3e20: d0940000 00004000 00000004 20000008 d0940000 d0944000 d0940000 d0804000 [ 188.070000] 3e40: c061a7dc cf6d4e00 00040000 00000000 00000000 cf7b3e68 c00c30d4 c001a048 [ 188.070000] 3e60: 00000013 ffffffff [ 188.070000] [<c000ee64>] (__irq_svc+0x44/0x54) from [<c001a048>] (__flush_whole_cache+0x4/0x18) [ 188.070000] [<c001a048>] (__flush_whole_cache+0x4/0x18) from [<cf76f900>] (0xcf76f900) [ 215.620000] [sched_delayed] sched: RT throttling activated
-- Héctor Palacios -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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