On Sat, 2013-04-13 at 13:56 +0200, Ulf Hansson wrote:
>
> Den 13 apr 2013 12:49 skrev "Sergey Yanovich" :
> > A possible solution is to make card a separate device (now only the
> host
> > is a device). In this case, the probing could be done asynchronously
> &g
On Wed, 2013-03-27 at 07:57 -0400, Chris Ball wrote:
> If the delay's significant, I agree with you and will revert this patch.
The patch was reverted. The problem is back. Filed bug:
https://bugzilla.kernel.org/show_bug.cgi?id=56561
A possible solution is to make card a separate device (now only
On Thu, 2013-04-04 at 16:41 +0300, Adrian Hunter wrote:
> diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
> index ad7decc..3bf1c46 100644
> --- a/drivers/mmc/core/core.c
> +++ b/drivers/mmc/core/core.c
> @@ -2418,7 +2418,6 @@ void mmc_start_host(struct mmc_host *host)
> host->r
On Thu, 2013-04-04 at 14:35 +0300, Adrian Hunter wrote:
> On 04/04/13 13:59, Sergey Yanovich wrote:
> > On Thu, 2013-04-04 at 09:35 +0300, Adrian Hunter wrote:
> >> No, I am booting from eMMC.
> >
> > Well, in this case you should be aware, that your system is no
On Thu, 2013-04-04 at 09:35 +0300, Adrian Hunter wrote:
> No, I am booting from eMMC.
Well, in this case you should be aware, that your system is not
concurrency-safe without the patch. It may or may not boot each time
depending on the large number of factors.
> > Maybe introduce mmc_is_hosting_
On Tue, 2013-04-02 at 19:45 +0200, Ulf Hansson wrote:
> On 2 April 2013 12:35, Sergey Yanovich wrote:
> > If the system is booted using initrd and root is not on an mmc card,
> > then mmc modules can be omitted from initrd. The probing will happen
> > only after root is mo
On Tue, 2013-04-02 at 16:36 +0300, Adrian Hunter wrote:
> On my system it is significant:
>
> Before the patch:
>
> [1.625623] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
>
> After the patch:
>
> [1.935851] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
On Tue, 2013-04-02 at 12:13 +0200, Ulf Hansson wrote:
> Consider a platform having two eMMCs and one SD-card. Each eMMC card
> will take around 400 ms to initialize and the SD-card 700 ms. The card
> initialization times are real examples from eMMCs and SD-cards,
> moreover those are typical values
On 14/03/13 08:08, Namjae Jeon wrote:> 2013/3/14, Sergey Yanovich
:
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)
Have you ever tried to use rootwait or rootdelay on command line ?
If no, You can use them.
Those options work. However, they introduce a de
On 14/03/13 06:47, Greg Kroah-Hartman wrote:
On Thu, Mar 14, 2013 at 05:06:23AM +0400, Sergey Yanovich wrote:
/* wait for the known devices to complete their probing */
-
wait_event(probe_waitqueue, atomic_read(&probe_count) == 0);
You didn't need to change this fil
16384 mtdblock4 mmcblk0: mmc0:b368 USD 3.72 GiB
(driver?)
mmcblk0: p1
b300 3910656 mmcblk0 driver: mmcblk
b301 3906560 mmcblk0p1 -01
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
---8<---
Signed-off-by: Sergey Yanovich
---
changes for
16384 mtdblock4 mmcblk0: mmc0:b368 USD 3.72 GiB
(driver?)
mmcblk0: p1
b300 3910656 mmcblk0 driver: mmcblk
b301 3906560 mmcblk0p1 -01
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
---8<---
Signed-off-by: Sergey Yanovich
---
driv
12 matches
Mail list logo
