Hi All,
We are working to bringup Tizen 2.3 on our MIPS platform. We are able to boot
using a particular SanDisk Ultra Class 10 SD card. However, when we use a class
4 or other Class 10 SD cards, the system is crashing while trying to mount
Tizen FS. Below is the error log:
ALSA device list:
#0: INCDHAD1
INFO: rcu_preempt self-detected stall on CPU { 0} (t=2100 jiffies g=4294967005
c=4294967004 q=9)
CPU: 0 PID: 78 Comm: mmcqd/0 Not tainted 3.10.60-svn10621 #7
Stack : 807f7d7a 0000003c 0000004e 00000000 80780000 0000003c 806e87c8INFO:
rcu_preempt detected stalls on CPUs/tasks: { 0} (detected by 1, t=2102 jiffies,
g=4294967005, c=4294967004, q=9)
Task dump for CPU 0:
mmcqd/0 R running 0 78 2 0x00100004
Stack : 8eb31e60 00000001 00000001 8062eddc 8eac3008 8eb12ec0 8ea7f9e8 00000001
fffffffd 8eac3010 8eac3008 00000000 8ea7f9e8 00000001 fffffffd 8eac3010
00000000 8e8371b8 8e837494 803a6de4 81c10ec0 800b06c0 8e85bba8 807f0000
8e85bba8 807f0000 806e0000 8eac3008 803a6d30 00000000 81c10ec0 800a57c4
00000000 00000000 00000008 00000000 00000000 00020000 8eac3008 00000000
...
Call Trace:
[<8062d944>] __schedule+0x4f8/0x948
[<803a6de4>] mmc_queue_thread+0xb4/0x184
[<800a57c4>] kthread+0xb8/0xc0
[<80057c8c>] ret_from_kernel_thread+0x14/0x1c
807845e7
0000004e 00000000 807f751c 8e8b24a0 80780000 80780000 81c079c0 806276e4
00000001 80081224 80790000 00000000 806eae20 8eb31a14 8eb31a14 806e87c8
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 8eb319a8
...
Call Trace:
[<8005d5e0>] show_stack+0x64/0x7c
[<800ffc78>] rcu_check_callbacks+0x3c8/0x8f0
[<80091f40>] update_process_times+0x4c/0x8c
[<800d83cc>] tick_sched_timer+0x50/0x94
[<800a9a98>] __run_hrtimer.isra.26+0x6c/0x138
[<800aa7a4>] hrtimer_interrupt+0x1a4/0x4d0
[<80061060>] c0_compare_interrupt+0x7c/0xc0
[<800f55ac>] handle_irq_event_percpu+0x64/0x1f0
[<800f9494>] handle_percpu_irq+0x8c/0xbc
[<800f4c50>] generic_handle_irq+0x40/0x54
[<80059b00>] do_IRQ+0x18/0x28
[<80057c00>] ret_from_irq+0x0/0x4
[<80089e38>] __do_softirq+0xc8/0x234
[<8008a0a8>] do_softirq+0x88/0x90
[<8008a39c>] irq_exit+0xc0/0xd8
[<80057c00>] ret_from_irq+0x0/0x4
[<8034c380>] dev_get_drvdata+0x0/0x24
[<803a623c>] mmc_blk_issue_rq+0x5c/0x554
[<803a6de4>] mmc_queue_thread+0xb4/0x184
[<800a57c4>] kthread+0xb8/0xc0
[<80057c8c>] ret_from_kernel_thread+0x14/0x1c
P.S: The same cards are working fine with android.
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