[debian/fso] 2.6.28-20090105.git69b2aa26 weird jiffs2 messages in dmesg

Andy Green andy at openmoko.com
Sat Feb 21 15:41:55 CET 2009

Hash: SHA1

Somebody in the thread at some point said:
| i just found out that 2.6.28 is avaliable in debian and immediately
| upgraded -- booting now shows a lot of weird  messages jiffs2 related,
|  from which i can't make anything.

| [21474543.180000] RCU detected CPU 0 stall (t=4294908636/600 jiffies)
| [21474543.180000] [<c02dbb3c>] (dump_stack+0x0/0x14) from [<c007950c>]

| [21474543.180000] [<c0147964>] (jffs2_add_fd_to_list+0x0/0xb8) from
| [<c0155c60>] (jffs2_sum_scan_sumnode+0x4c8/0x704)

| [   52.285000] JFFS2 warning: (1663) jffs2_sum_write_data: Not enough
| space for summary, padsize = -778
| [  300.005000] fbcon_event_notify action=12, data=c7831df4
| [  300.005000] jbt6k74 spi2.0: **** jbt6k74 normal

Well the last two lines are harmless, just about blanking the LCM.

It seems that it takes a long long while to mount the jffs2 partition
you have.  The first thing "CPU 0 stall" is just a comment that you seem
to be stuck for two minutes, then the second thing is a diagnostic
talking about what you are stuck on.  It seems you are stuck on mounting
the jffs2 partition.

Lastly the jffs2 warning about summaries... IIRC this is to do with how
the jffs2 filesystem image was composed when it was built.... there was
something about slow mount and broken summaries when the jffs2 image was
created with wrong block size as I recall.

- -Andy
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Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org


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