Date: Sun, 27 Jul 2003 13:01:03 -0600 From: "Stephane Raimbault" <segr@hotmail.com> To: "Bosko Milekic" <bmilekic@technokratis.com> Cc: current@freebsd.org Subject: Re: FreeBSD 5.1-R kernel panic Message-ID: <Law10-OE286pkNzPZrI000072bb@hotmail.com> References: <bg0p70$214g$1@FreeBSD.csie.NCTU.edu.tw>
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Hi Bosko, Thanks for your response. I do not use USB on the system... I'll try removing those devices from the kernel and see if the problem continues. I will let you know. Thanks, Stephane Raimbault. ----- Original Message ----- From: "Bosko Milekic" <bmilekic@technokratis.com> Newsgroups: mailing.freebsd.current Sent: Sunday, July 27, 2003 8:56 Subject: Re: FreeBSD 5.1-R kernel panic > > On Sat, Jul 26, 2003 at 10:48:21PM -0600, Stephane Raimbault wrote: > > Well, I had compiled "options DDB" into the kernel and today the kernel > > panic'd... here is what I got. I ran the following in the db> prompt. > > "trace", "show reg", "ps". Let me know if this is the kind of information > > you need, and if there is anything else I need to provide... can I > > re-compile the kernel without the "options DDB" now, or should I provide the > > same info next time in panic's to confirm it's the same problem? > > > > Thanks, > > Stephane. > > > > I've attached the file debug.txt which contains the panic info. Let me know > > if you need it in a different format. > > > > Thanks again, > > Stephane Raimbault. > > Are you using USB? > > Approximately 2 weeks ago, some changes were introduced into the USB > code which could in some scenarios mean a depletion of kmem_map. I've > glanced at usb_mem.c and it appears that the USB code 'caches' > everything that it allocates into a couple of lists it maintains > locally. This prevents UMA from seeing the freed memory and, from the > point of view of the VM, the memory is never reclaimed. > > I am unsure as to whether or not the memory allocated by the USB stuff > needs to be type stable so I can't really fix this. I urge the USB > authors to glance there. > > If you are using USB, try turning it off to see if the panic persists. > If not, then we'll have to look elsewhere. > > Regards, > -- > Bosko Milekic * bmilekic@technokratis.com * bmilekic@FreeBSD.org > TECHNOkRATIS Consulting Services * http://www.technokratis.com/ > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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