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2012-04-02
, 21:27
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Posts: 69 |
Thanked: 55 times |
Joined on Nov 2009
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#2
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This would be feasible only if all kernels support kexec but i doubt that
the original Nokia kernel has kexec enabled.
the original Nokia kernel has kexec enabled.
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2012-04-02
, 22:37
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Posts: 1,225 |
Thanked: 1,905 times |
Joined on Feb 2011
@ Quezon City, Philippines
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#3
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Has anyone even had kexec even work on device?
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N9 PR 1.3 Open Mode + kernel-plus for Harmattan
@kenweknot, working on Glacier for Nemo.
N9 PR 1.3 Open Mode + kernel-plus for Harmattan
@kenweknot, working on Glacier for Nemo.
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2012-04-02
, 22:47
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Posts: 5,028 |
Thanked: 8,613 times |
Joined on Mar 2011
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#4
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Originally Posted by taixzo
Isn't it easier and more convenient to update bleeding-edge drivers instead?
There are at least 3 kernels in use on the N900: the stock pr1.3 kernel, kp49 and kp50. Often I boot into one, only to realize I needed something from another (such as the bleeding-edge wifi drivers).
__________________
N900's aluminum backcover / body replacement
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N900's HDMI-Out
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Camera cover MOD
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Measure battery's real capacity on-device
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TrueCrypt 7.1 | ereswap | bnf
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Hardware's mods research is costly. To support my work, please consider donating. Thank You!
N900's aluminum backcover / body replacement
-
N900's HDMI-Out
-
Camera cover MOD
-
Measure battery's real capacity on-device
-
TrueCrypt 7.1 | ereswap | bnf
-
Hardware's mods research is costly. To support my work, please consider donating. Thank You!
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2012-04-02
, 22:57
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Posts: 362 |
Thanked: 426 times |
Joined on Nov 2010
@ Italy, Lombardia
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#5
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Originally Posted by farmatito
Nokia's Kernel PR1.3 has kexec support.
This would be feasible only if all kernels support kexec but i doubt that
the original Nokia kernel has kexec enabled.
There is a program called kexec, which allows for the loading of one linux kernel from another. And it is in the Maemo repositories as well. If I understand correctly, this would allow for a uboot-like system to be implemented in userspace - so we could have an app to select what to reboot to with a nice touchscreen interface, and no need for risky kernel flashing. (If a kernel loaded by kexec is broken, a full reset [taking the battery out and putting it back in] will load the original kernel from the flash memory.)
Does this sound feasible? Also, would anyone be interested in such an app?