Re: Keeping an eye on the text console while in X11 ?

2004-02-03 Thread Allan Fields
On Tue, Feb 03, 2004 at 09:29:47PM +0100, Thierry Herbelot wrote: > I'm chasing strange freezes on my work PC, with a recent -Current (5.2-SNAP > > sometimes (still, around once a day), when the machine starts swapping, it > just freezes (it's possible sometimes to switch to a text virtual conso

Re: Kernel Virtual Address Space

2004-02-03 Thread Julian Elischer
On Tue, 3 Feb 2004, Sridhar Chellappa wrote: > Julian Elischer wrote: > > > > >On Tue, 3 Feb 2004, Sridhar Chellappa wrote: > > > >>Sridhar Chellappa wrote: > >> > >>>As part of the Bootup sequence, I see create_pagetables allocate only > >>>30 Pages for Page Table entries in non-PAE mode and

Re: Kernel Virtual Address Space

2004-02-03 Thread Sridhar Chellappa
Julian Elischer wrote: On Tue, 3 Feb 2004, Sridhar Chellappa wrote: Sridhar Chellappa wrote: As part of the Bootup sequence, I see create_pagetables allocate only 30 Pages for Page Table entries in non-PAE mode and 120 pages in PAE mode. Does this mean that all the kernel mode entities get onl

Keeping an eye on the text console while in X11 ?

2004-02-03 Thread Thierry Herbelot
Hello, [long message] I'm chasing strange freezes on my work PC, with a recent -Current (5.2-SNAP from 01/30). The machine is NEC PeeCee, using a Gigabyte MB, a SIS chipset and a P4-1,8GHz (dmesg to follow). The kernel is just GENERIC, with all debugging options commented out. sometimes (stil

Re: Kernel Debugging

2004-02-03 Thread M. Warner Losh
In message: <[EMAIL PROTECTED]> Sridhar Chellappa <[EMAIL PROTECTED]> writes: : How do we debug a freeBSD kernel ? Do we have something similar to : "KGDB" that linux offers ? Ironically, we've had kgdb for a number of years longer than Linux. Actually, it is ironic that linux has a i

Re: Kernel Virtual Address Space

2004-02-03 Thread Julian Elischer
On Tue, 3 Feb 2004, Sridhar Chellappa wrote: > Sridhar Chellappa wrote: > > > As part of the Bootup sequence, I see create_pagetables allocate only > > 30 Pages for Page Table entries in non-PAE mode and 120 pages in PAE > > mode. Does this mean that all the kernel mode entities get only 4 *

Re: Kernel Debugging

2004-02-03 Thread Julian Elischer
On Tue, 3 Feb 2004, Sridhar Chellappa wrote: > How do we debug a freeBSD kernel ? Do we have something similar to > "KGDB" that linux offers ? > there is a whole chapter in the handbook about this.. (you can read the handbook from teh freebsd website, and it shuold already be on your system

Re: Kernel Debugging

2004-02-03 Thread Brooks Davis
On Tue, Feb 03, 2004 at 11:48:06AM -0500, Sridhar Chellappa wrote: > How do we debug a freeBSD kernel ? Do we have something similar to > "KGDB" that linux offers ? http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html -- Brooks -- Any statement of the form "X i

Kernel Threads

2004-02-03 Thread Sridhar Chellappa
Some questions on kernel threads under BSD : Is there a way to tie a kernel thread to a specific CPU? Is it also possible to move a kernel thread from one CPU to another ? Is there a way to make a kernel thread non-Pre-emptible ? Is yes how do we do it? I heard that even Interrupts run under ker

Re: Kernel Virtual Address Space

2004-02-03 Thread Sridhar Chellappa
Sridhar Chellappa wrote: As part of the Bootup sequence, I see create_pagetables allocate only 30 Pages for Page Table entries in non-PAE mode and 120 pages in PAE mode. Does this mean that all the kernel mode entities get only 4 * 30 * 1024 * 1024 = 120 MB worth of Address Space ? Can I tune t

Kernel Debugging

2004-02-03 Thread Sridhar Chellappa
How do we debug a freeBSD kernel ? Do we have something similar to "KGDB" that linux offers ? ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"

Re: 4.9 kernel panics on a poweredge 2650

2004-02-03 Thread Jim Durham
On Friday 23 January 2004 07:50 am, Bogdan TARU wrote: > Hi hackers, > > I am experiencing kernel panics on a poweredge 2650 each day around > 3am (usually the machine comes up at 3:04am). The kernel panics are > reproductable by running: /etc/periodic/security/100.chksetuid (in > fact by

bus error & core dump on programs after using cdrecord

2004-02-03 Thread Clau
Hello, I have a problem which seems to be related to cdrecord and/or scsi cd emulation. I recently compiled a kernel with scsi emulation options, as stated in freebsd handbook, for using cdrecord. After I write/erase a CD-R/RW it happens very often that programs give me a bus error and core dum