* Problem with usb card
@ 2010-11-23 13:17 thiago
2010-11-23 14:35 ` Oliver Neukum
0 siblings, 1 reply; 3+ messages in thread
From: thiago @ 2010-11-23 13:17 UTC (permalink / raw)
To: linux-kernel
Hello guys,
First, sorry for my poor english.
Second, i'm a beginner embedded system developer and i have a problem
with manage my sdcard (usb). Below my /var/log/dmesg with error mensage:
[ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.25-custom #1
[ 0.000000] [<c0121207>] warn_on_slowpath+0x40/0x4f
[ 0.000000] [<c02b1dfd>] _spin_unlock_irqrestore+0xd/0x10
[ 0.000000] [<c0121897>] release_console_sem+0x186/0x19f
[ 0.000000] [<c0121cc0>] vprintk+0x2d0/0x2fe
[ 0.000000] [<c0372eb0>] mtrr_trim_uncached_memory+0x1a7/0x1ac
[ 0.000000] [<c0370f64>] setup_arch+0x23d/0x418
[ 0.000000] [<c036b5c6>] start_kernel+0x70/0x33a
[ 0.000000] =======================
[ 0.000000] ---[ end trace ca143223eefdc828 ]---
After that message error, i lost the partition table of the my sdcard
and all work is lost too
--
Thiago Silveira Alexandre
LPI I Certified
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Problem with usb card
2010-11-23 13:17 Problem with usb card thiago
@ 2010-11-23 14:35 ` Oliver Neukum
2010-11-27 12:23 ` thiago
0 siblings, 1 reply; 3+ messages in thread
From: Oliver Neukum @ 2010-11-23 14:35 UTC (permalink / raw)
To: thiago, linux-usb; +Cc: linux-kernel
Am Dienstag, 23. November 2010, 14:17:59 schrieb thiago:
> [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.25-custom #1
> [ 0.000000] [<c0121207>] warn_on_slowpath+0x40/0x4f
> [ 0.000000] [<c02b1dfd>] _spin_unlock_irqrestore+0xd/0x10
> [ 0.000000] [<c0121897>] release_console_sem+0x186/0x19f
> [ 0.000000] [<c0121cc0>] vprintk+0x2d0/0x2fe
> [ 0.000000] [<c0372eb0>] mtrr_trim_uncached_memory+0x1a7/0x1ac
> [ 0.000000] [<c0370f64>] setup_arch+0x23d/0x418
> [ 0.000000] [<c036b5c6>] start_kernel+0x70/0x33a
> [ 0.000000] =======================
> [ 0.000000] ---[ end trace ca143223eefdc828 ]---
>
> After that message error, i lost the partition table of the my sdcard
> and all work is lost too
>
This does look like an mtrr problem, not a USB problem.
Regards
Oliver
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Problem with usb card
2010-11-23 14:35 ` Oliver Neukum
@ 2010-11-27 12:23 ` thiago
0 siblings, 0 replies; 3+ messages in thread
From: thiago @ 2010-11-27 12:23 UTC (permalink / raw)
To: Oliver Neukum; +Cc: linux-usb, linux-kernel
Do you know how to solve the problem?
Oliver Neukum wrote:
> Am Dienstag, 23. November 2010, 14:17:59 schrieb thiago:
>
>> [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.25-custom #1
>> [ 0.000000] [<c0121207>] warn_on_slowpath+0x40/0x4f
>> [ 0.000000] [<c02b1dfd>] _spin_unlock_irqrestore+0xd/0x10
>> [ 0.000000] [<c0121897>] release_console_sem+0x186/0x19f
>> [ 0.000000] [<c0121cc0>] vprintk+0x2d0/0x2fe
>> [ 0.000000] [<c0372eb0>] mtrr_trim_uncached_memory+0x1a7/0x1ac
>> [ 0.000000] [<c0370f64>] setup_arch+0x23d/0x418
>> [ 0.000000] [<c036b5c6>] start_kernel+0x70/0x33a
>> [ 0.000000] =======================
>> [ 0.000000] ---[ end trace ca143223eefdc828 ]---
>>
>> After that message error, i lost the partition table of the my sdcard
>> and all work is lost too
>>
>>
>
> This does look like an mtrr problem, not a USB problem.
>
> Regards
> Oliver
>
>
--
Thiago Silveira Alexandre
LPI I Certified
Security Enginner
Intechne Tecnologia da Informação
(98) 3311 6200
(98) 3311 6219
(98) 8132 1020
^ permalink raw reply [flat|nested] 3+ messages in thread
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