Re: 20TB Storage System (fsck????)

2003-09-04 Thread Terry Lambert
Max Clark wrote: > Ohh, that's an interesting snag. I was under the impression that 5.x w/ PAE > could address more than 4GB of Ram. The kernel being able to address the RAM does not meant that the KVA+UVA space is larger than 4G. At best, you could take the uiomove/copyin/copyout performance hit

Re: possible change for 4.9 rc file?

2003-09-04 Thread Doug Barton
I oppose this going in prior to 4.9 just on general principles. The concept looks sound on a very light review though. If you'd like more in depth review, please forward your patch to [EMAIL PROTECTED] Doug -- This .signature sanitized for your protection __

Re: 20TB Storage System (fsck????)

2003-09-04 Thread Geoff Buckingham
On Thu, Sep 04, 2003 at 01:12:45AM -0700, Terry Lambert wrote: > > Yes. Limit the number of CG bitmaps you examine simultaneously, > and make the operation multiple pass over the disk. This is not > that hard a modification to fsck, and it can be done fairly > quickly by anyone who understands t

RE: non reliable nmi

2003-09-04 Thread Don Bowman
> From: Mike Silbersack [mailto:[EMAIL PROTECTED] > On Thu, 28 Aug 2003, Don Bowman wrote: > > > I have machdep.ddb_on_nmi=1. > > I can drop into the debugger with the magic > > key sequence. However, when i hit the NMI > > jumper, i don't always go there. Sometimes > > I do. > > The system is 4-w

Re: non reliable nmi

2003-09-04 Thread Peter Pentchev
On Thu, Sep 04, 2003 at 09:16:23AM -0400, Don Bowman wrote: > > From: Mike Silbersack [mailto:[EMAIL PROTECTED] > > On Thu, 28 Aug 2003, Don Bowman wrote: > > > > > I have machdep.ddb_on_nmi=1. > > > I can drop into the debugger with the magic > > > key sequence. However, when i hit the NMI > > >

Re: FYI - Just got a kernel panic - RELENG_4

2003-09-04 Thread Marc Ramirez
On Fri, 29 Aug 2003, Kris Kennaway wrote: > On Thu, Aug 28, 2003 at 05:34:29PM -0400, Marc Ramirez wrote: > > > > supped as of ~ 1:40pm EST today > > > > The panic: > > > > Fatal trap 12: page fault while in kernel mode > > This is probably hardware-related, but it's possible it may be due to > a

Reminder: BSDCon next week in San Mateo!

2003-09-04 Thread Robert Watson
This is just a friendly reminder e-mail that the BSD Conference is taking place in San Mateo next week, and that if you're planning to attend and haven't yet registered, you might want to. Or, just turn up and register at the door. There's a really strong lineup of FreeBSD-related papers, especi

Re: non reliable nmi

2003-09-04 Thread cjarvis
In <[EMAIL PROTECTED]>, on 09/04/03 at 09:12 AM, Peter Pentchev <[EMAIL PROTECTED]> said: >I haven't kept quite up to date on my x86 hardware lately (read: in the >past five to ten years), but I distinctly remember a time when everyone >referred to x86's NMI as a joke: a non-maskable interrupt

getblk() may return NULL, but most caller's don't check for it

2003-09-04 Thread Bob Willcox
Hi All, While perusing the FreeBSD kernel source code today I noticed that there are several reasons that the getblk() function in vfs_bio.c might decide to return a NULL return code. However, checking both 4-stable and 5-current I can find only place (in 5-curren) where the return value from getb

Re: 20TB Storage System (fsck????)

2003-09-04 Thread Julian Elischer
On Wed, 3 Sep 2003, Tim Kientzle wrote: > Max Clark wrote: > > Ohh, that's an interesting snag. I was under the impression that 5.x w/ PAE > > could address more than 4GB of Ram. > > That's >4G of memory in the system. 32-bit processors > are still limited to 4G processor address space, which

Re: non reliable nmi

2003-09-04 Thread John Baldwin
On 04-Sep-2003 [EMAIL PROTECTED] wrote: > In <[EMAIL PROTECTED]>, on 09/04/03 >at 09:12 AM, Peter Pentchev <[EMAIL PROTECTED]> said: > >>I haven't kept quite up to date on my x86 hardware lately (read: in the >>past five to ten years), but I distinctly remember a time when everyone >>referre

Re: 20TB Storage System (fsck????)

2003-09-04 Thread Andrew Kinney
On 4 Sep 2003, at 11:53, Julian Elischer wrote: > On Wed, 3 Sep 2003, Tim Kientzle wrote: > > > Max Clark wrote: > > > Ohh, that's an interesting snag. I was under the impression that > > > 5.x w/ PAE could address more than 4GB of Ram. > > > > That's >4G of memory in the system. 32-bit process

Re: 20TB Storage System (fsck????)

2003-09-04 Thread Julian Elischer
On Thu, 4 Sep 2003, Andrew Kinney wrote: > > > > Our experience has been that with 4GB of RAM (or more) you > really must increase your KVA to 2GB, leaving only 2GB of UVA. > So, I would concur with what Julian said. > > thrown> ;-) > > With the lack of third party filesystem support in F

Re: 20TB Storage System (fsck????)

2003-09-04 Thread David Schultz
On Thu, Sep 04, 2003, Andrew Kinney wrote: > Our experience has been that with 4GB of RAM (or more) you > really must increase your KVA to 2GB, leaving only 2GB of UVA. > So, I would concur with what Julian said. > > thrown> ;-) > > With the lack of third party filesystem support in FreeBSD,