Re: 3.9 freeze

2006-08-20 Thread Federico Giannici
Pedro Martelletto wrote: I cannot declare that the problem is solved... but I had no more freezes since I'm using a custom GENERIC kernel with doubled NKMEMPAGES_MAX and maxusers, both with the i386 and the amd64 machines. But consider that this happened only 7 and 10 days ago... It has

Re: 3.9 freeze

2006-08-19 Thread Pedro Martelletto
I cannot declare that the problem is solved... but I had no more freezes since I'm using a custom GENERIC kernel with doubled NKMEMPAGES_MAX and maxusers, both with the i386 and the amd64 machines. But consider that this happened only 7 and 10 days ago... It has been approximately a month

Re: 3.9 freeze

2006-07-31 Thread diego
regards,. - Original Message - From: Pedro Martelletto [EMAIL PROTECTED] To: Federico Giannici [EMAIL PROTECTED] Cc: misc@openbsd.org; diego [EMAIL PROTECTED] Sent: Saturday, July 29, 2006 2:00 PM Subject: Re: 3.9 freeze Any news on this? -p.

Re: 3.9 freeze

2006-07-29 Thread Pedro Martelletto
Any news on this? -p.

Re: 3.9 freeze

2006-07-29 Thread Federico Giannici
Pedro Martelletto wrote: Any news on this? I cannot declare that the problem is solved... but I had no more freezes since I'm using a custom GENERIC kernel with doubled NKMEMPAGES_MAX and maxusers, both with the i386 and the amd64 machines. But consider that this happened only 7 and 10

Re: 3.9 freeze

2006-07-29 Thread Federico Giannici
Federico Giannici wrote: Pedro Martelletto wrote: Any news on this? I cannot declare that the problem is solved... but I had no more freezes since I'm using a custom GENERIC kernel with doubled NKMEMPAGES_MAX and maxusers, both with the i386 and the amd64 machines. But consider that this

Re: 3.9 freeze

2006-07-20 Thread Federico Giannici
Pedro Martelletto wrote: Federico, Your diagnosis is correct, that freeze can be the result of reaching the limit for UVM amap allocations. These get used by the kernel to describe anonymous memory mappings, and mmap malloc() puts the UVM subsystem under a higher load of those, eventually

Re: 3.9 freeze

2006-07-20 Thread Pedro Martelletto
On Thu, Jul 20, 2006 at 06:07:16PM +0200, Federico Giannici wrote: It seems to me that under amd64 the UVM Amap usage is much higher then under i386. So, even if by default the limit is the double of the i386, it seems not enough. That's probably because the code allocates in multiples of

Re: 3.9 freeze

2006-07-18 Thread Pedro Martelletto
Federico, Your diagnosis is correct, that freeze can be the result of reaching the limit for UVM amap allocations. These get used by the kernel to describe anonymous memory mappings, and mmap malloc() puts the UVM subsystem under a higher load of those, eventually reaching the limit. Until an

Re: 3.9 freeze

2006-07-18 Thread Federico Giannici
Pedro Martelletto wrote: Federico, Your diagnosis is correct, that freeze can be the result of reaching the limit for UVM amap allocations. These get used by the kernel to describe anonymous memory mappings, and mmap malloc() puts the UVM subsystem under a higher load of those, eventually

Re: 3.9 freeze

2006-07-18 Thread Pedro Martelletto
On Tue, Jul 18, 2006 at 07:34:00PM +0200, Federico Giannici wrote: I'm not sure of what variables to set and where. options(4) should tell you that. -p.

Re: 3.9 freeze

2006-07-18 Thread diego
: Federico Giannici [EMAIL PROTECTED] To: Pedro Martelletto [EMAIL PROTECTED] Cc: misc@openbsd.org; diego [EMAIL PROTECTED]; mickey [EMAIL PROTECTED] Sent: Tuesday, July 18, 2006 2:34 PM Subject: Re: 3.9 freeze Pedro Martelletto wrote: Federico, Your diagnosis is correct, that freeze can

Re: 3.9 freeze

2006-07-13 Thread diego
32736K; utilization 44.5% thanks... diego,. - Original Message - From: diego [EMAIL PROTECTED] To: mickey [EMAIL PROTECTED] Cc: Pedro Martelletto [EMAIL PROTECTED]; misc@openbsd.org Sent: Monday, July 03, 2006 12:19 PM Subject: Re: 3.9 freeze ok, I have the server on datacenter, when

Re: 3.9 freeze

2006-07-13 Thread Pedro Martelletto
The next time it freezes, break into ddb and get the output of 'show uvmexp'. -p.

Re: 3.9 freeze

2006-07-13 Thread Federico Giannici
diego wrote: UVM amap201783 39322K 39322K 39322K12379757100 0 16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536 I have noticed that the above UVM amap HighUse value is equal to the Limit value. As I have already said, the PC of mine that occasional freezes has high

Re: 3.9 freeze

2006-07-13 Thread Pedro Martelletto
On Thu, Jul 13, 2006 at 05:39:40PM +0200, Federico Giannici wrote: I have noticed that the above UVM amap HighUse value is equal to the Limit value. Indeed it looks suspicious. Not my area, though, so I'd have to look at the code to know the exact consequences. But yes, it's a possibility.

Re: 3.9 freeze

2006-07-03 Thread Pedro Martelletto
Can you break into ddb? -p.

Re: 3.9 freeze

2006-07-03 Thread diego
no, I can only ping the server or change tty (ctrl alt fn), but I can't type anything. - Original Message - From: Pedro Martelletto [EMAIL PROTECTED] To: diego [EMAIL PROTECTED] Cc: misc@openbsd.org Sent: Monday, July 03, 2006 9:34 AM Subject: Re: 3.9 freeze Can you break into ddb

Re: 3.9 freeze

2006-07-03 Thread mickey
PROTECTED] Cc: misc@openbsd.org Sent: Monday, July 03, 2006 9:34 AM Subject: Re: 3.9 freeze Can you break into ddb? -p. -- paranoic mickey (my employers have changed but, the name has remained)

Re: 3.9 freeze

2006-07-03 Thread diego
no... - Original Message - From: vladas [EMAIL PROTECTED] To: diego [EMAIL PROTECTED] Sent: Monday, July 03, 2006 10:00 AM Subject: Re: 3.9 freeze On 03/07/06, diego [EMAIL PROTECTED] wrote: no, I can only ping the server or change tty (ctrl alt fn), but I can't type anything

Re: 3.9 freeze

2006-07-03 Thread diego
ok, I have the server on datacenter, when freeze I will try it. - Original Message - From: mickey [EMAIL PROTECTED] To: diego [EMAIL PROTECTED] Cc: Pedro Martelletto [EMAIL PROTECTED]; misc@openbsd.org Sent: Monday, July 03, 2006 9:52 AM Subject: Re: 3.9 freeze On Mon, Jul 03, 2006