Re: Softupdates Hangs 2.8... well, not for me :)

["Saad Kadhi (Work Accnt)" <Saad.Kadhi@neurocom.com>]

Rémi Guyomarch wrote:

> On Tue, Feb 13, 2001 at 09:25:27AM +0100, Saad Kadhi wrote:
> 
>> Hi there Kevin,
>> 
>> Kevin Sindhu wrote:
>> 
>> 
>>> Hello,
>>> 
>>> I am runnning 2.8-current(cvs'd on Jan 13) and have softupdates enabled
>>> in the kernel and have tunefs'd my disk. Everytime I try to untar a big
>>> file(in this case qt-2.2.x), the system completely hangs. However the
>>> machine still replies to pings, but X/console are frozen. There is a lot
>>> of Disk activity and I did try to leave it like that for around 5 hours,
>>> which resulted in nothing fruitful, so I had no choice but to
>>> hard-reset, and then fsck in single user mode..
>>> 
>>> I have been to able to workaround this by disabling softupdates...
>>> 
>>> I would appreciate any hi.nts/advice and would be happy to provide
>>> dmesg/kernel options/test patches etc. Please let me know for the same
>> 
>> I've had a lot of troubles with my boxes after I enabled softupdates: 
>> hangups, crashes, ddb ...etc. And I couldn't track down the pb.
> 
> 
> I have a box running -current (well, -current as sometimes in january)
> with one partition (yes, I know...) and softupdates on it, and it's
> running *rock solid*. In fact I had softupdates since pre-2.7 and I
> never had any crash on this box. Not 2, not 1, none.
You lucky boy :))

> This box is our firewall, it's running IPFilter / NAT, Squid, Apache,
> named, isakmpd, vtun, an rsync server etc...
> 
> The box is a Dell something, Celeron 500, 64 MB, a 4 GB IDE disk and
> three el-cheapo RealTek 100 bits cards. You see, nothing fancy.
> 
> I've launched many times tasks requiring a large amount of I/O (tar
> xzf {ports,src}.tar.gz, building large ports, etc...) on this
> softupdate-enabled partition and it never seemed to have a problem
> with that.
Well My Softupdates boxes were pretty stable until I do sth involving 
large amounts of I/O & then crash boom bang !. Do you do this accross 
partitions/disks as well ?

> Note that I'm running a custom kernel and I pushed BUFFERS to 40. The
> secret is perhaps there :)
I'll try this . I can't remember if I did it.
thx for the hints.



-- 
Saad Kadhi -- Network & Security Engineer
-----------------------------------------
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($myself=pack(c2,unpack(c,EOF)-3,(((hex(0x666)/6)-666)/2)-66+4),
pack(c3,((int(exp(666)/10e287)+int(log(666)*2))*2)+10,int(crypt(ski,72)),oct(12)));'
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