Re: 6.0_BETA: FAT and iwn0 problems (and strange similarity)

[Jeff Rizzo <riz%netbsd.org@localhost>]

On 3/12/12 9:09 AM, Mayuresh wrote:
> These are seemingly unrelated problems, though there is a commonality
> mentioned later.
>
> 1. Mounting a FAT partition of memory card of a mobile phone, connected
> through USB and attempting to write to it crashes NetBSD 6.0_BETA.

A backtrace from DDB is invaluable here.  You may need to set 
ddb.onpanic=1 in /etc/sysctl.conf to get your system to the db> prompt 
on crash.

> 2. Heavy traffic (opening multiple tabs in browser for example) causes
> router (WRT54GL) to hang requiring re-start. (One may say that's
> router's problem, which might also be true. But read below.)

It's making your _router_ hang?  But NetBSD is OK?  I don't think 
there's much we can do about this...  it was likely only luck that 
didn't make this happen on NetBSD 5.1.

> Both of the above problems were absent in 5.1 and both were present on
> Linux (Fedora 16 was the one I was using). That is a strange similarity.

Coincidence is a strange and powerful force.  :)

> Perhaps both FAT and iwn0 drivers changed in such a way that they borrowed
> the same problems my Linux box had - precisely the issues that forced me
> to look for alternatives and NetBSD 5.1 provided high stability on both
> these issues and I had almost switched to NetBSD as my primary desktop OS.

Any beta release is bound to have issues.   Help us track them down!

> Let me know what details I can provide to help diagnose these.
>
> Mayuresh.