* Two Issues with JFFS2
@ 2005-11-08 1:45 Vahid Fereydunkolahi
2005-11-08 2:20 ` zhao, forrest
2005-11-08 14:12 ` Artem B. Bityutskiy
0 siblings, 2 replies; 6+ messages in thread
From: Vahid Fereydunkolahi @ 2005-11-08 1:45 UTC (permalink / raw)
To: linux-mtd
Hi,
We are using the JFFS2 and we have noticed two
issues:
1) In some cases the Linux is non-responsive and it
takes some times for the Linux to start processing
other applications running in the system(I beleieve
the GC is running and is taking all the CPU time).
2) In rare cases the JFFS2 uses the obsolete version
of the pages stored on the flash.
I appricate any help.
Regards,
--vahid
__________________________________
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Two Issues with JFFS2
2005-11-08 1:45 Two Issues with JFFS2 Vahid Fereydunkolahi
@ 2005-11-08 2:20 ` zhao, forrest
2005-11-08 2:33 ` Vahid Fereydunkolahi
2005-11-08 14:12 ` Artem B. Bityutskiy
1 sibling, 1 reply; 6+ messages in thread
From: zhao, forrest @ 2005-11-08 2:20 UTC (permalink / raw)
To: Vahid Fereydunkolahi; +Cc: linux-mtd
>
> 2) In rare cases the JFFS2 uses the obsolete version
> of the pages stored on the flash.
Which MTD snapshot are you using?
Could you provide the real evidence that "In rare cases
the JFFS2 uses the obsolete version of the pages"?
Forrest
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Two Issues with JFFS2
2005-11-08 2:20 ` zhao, forrest
@ 2005-11-08 2:33 ` Vahid Fereydunkolahi
2005-11-08 14:15 ` Artem B. Bityutskiy
0 siblings, 1 reply; 6+ messages in thread
From: Vahid Fereydunkolahi @ 2005-11-08 2:33 UTC (permalink / raw)
To: zhao, forrest; +Cc: linux-mtd
I am using the TIPs of the JFFS2 and the MTD from
couple of months ago. We dot not see this problem that
often. For exmaple in one case we rewrite the
pages(each 4K) P1, P2, P3, and P4 with the new
versions of them: P1', P2', P3', and P4'. After 5
times resetting the board we notices that the JFFS2 is
reporting the following: P1, P2, P3, and P4'.
Regards,
--vahid
--- "zhao, forrest" <forrest.zhao@intel.com> wrote:
>
> >
> > 2) In rare cases the JFFS2 uses the obsolete
> version
> > of the pages stored on the flash.
>
> Which MTD snapshot are you using?
> Could you provide the real evidence that "In rare
> cases
> the JFFS2 uses the obsolete version of the pages"?
>
> Forrest
>
>
__________________________________
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Two Issues with JFFS2
2005-11-08 2:33 ` Vahid Fereydunkolahi
@ 2005-11-08 14:15 ` Artem B. Bityutskiy
0 siblings, 0 replies; 6+ messages in thread
From: Artem B. Bityutskiy @ 2005-11-08 14:15 UTC (permalink / raw)
To: Vahid Fereydunkolahi; +Cc: linux-mtd, zhao, forrest
Vahid Fereydunkolahi wrote:
> I am using the TIPs of the JFFS2 and the MTD from
> couple of months ago. We dot not see this problem that
> often. For exmaple in one case we rewrite the
> pages(each 4K) P1, P2, P3, and P4 with the new
> versions of them: P1', P2', P3', and P4'. After 5
> times resetting the board we notices that the JFFS2 is
> reporting the following: P1, P2, P3, and P4'.
>
Strange. You may try to save JFFS2 dumps each time and we may analyse
them. Only please, keep as few files there as possible, ideally only one
consisting on those 4 pages.
--
Best Regards,
Artem B. Bityutskiy,
St.-Petersburg, Russia.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Two Issues with JFFS2
2005-11-08 1:45 Two Issues with JFFS2 Vahid Fereydunkolahi
2005-11-08 2:20 ` zhao, forrest
@ 2005-11-08 14:12 ` Artem B. Bityutskiy
1 sibling, 0 replies; 6+ messages in thread
From: Artem B. Bityutskiy @ 2005-11-08 14:12 UTC (permalink / raw)
To: Vahid Fereydunkolahi; +Cc: linux-mtd
Vahid Fereydunkolahi wrote:
> Hi,
> We are using the JFFS2 and we have noticed two
> issues:
> 1) In some cases the Linux is non-responsive and it
> takes some times for the Linux to start processing
> other applications running in the system(I beleieve
> the GC is running and is taking all the CPU time).
What's the size/type of your flash?
>
> 2) In rare cases the JFFS2 uses the obsolete version
> of the pages stored on the flash.
Really? Try to reproduce and send a bug reporte please.
--
Best Regards,
Artem B. Bityutskiy,
St.-Petersburg, Russia.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Two Issues with JFFS2
@ 2005-11-08 17:33 Vahid Fereydunkolahi
0 siblings, 0 replies; 6+ messages in thread
From: Vahid Fereydunkolahi @ 2005-11-08 17:33 UTC (permalink / raw)
To: linux-mtd
> What's the size/type of your flash?
The size of our NAND flashes are 128MB, and 256MB. and
we have many files installed on the flash.
Also If we reproduce the problem again I report the
bug.
Regards,
--vahid
__________________________________
Yahoo! Mail - PC Magazine Editors' Choice 2005
http://mail.yahoo.com
^ permalink raw reply [flat|nested] 6+ messages in thread
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2005-11-08 1:45 Two Issues with JFFS2 Vahid Fereydunkolahi
2005-11-08 2:20 ` zhao, forrest
2005-11-08 2:33 ` Vahid Fereydunkolahi
2005-11-08 14:15 ` Artem B. Bityutskiy
2005-11-08 14:12 ` Artem B. Bityutskiy
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2005-11-08 17:33 Vahid Fereydunkolahi
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