On Saturday, July 26, 2003, at 10:02 PM, Gary Jennejohn wrote:
Mark Blackman writes:I'm seeing the same 'kmem_malloc(4096): kmem_map too small: XXXXX total[snip]
allocated'
messages that a few other have reported.From these symptoms, I'm speculating that one or more device drivers are producing kernel memory leaks and either triggering the 'kmem_map too small' messages or pushing all of the userland processes out of the way. Is this a reasonable interpretation?
Does anyone else see symptoms that might lead to this conclusion?
I'm seeing exactly the same thing when I try to access my Archos Jukebox (a USB 2.0 device). This didn't happen with a kernel made before July 20, although I can't say when exactly the leak (if there is one) was introduced, since I only make a new kernel every few weeks.
Eventually usb_allocmem fails and shortly thereafter I get the ``kmem_map
too small'' panic.
Unfortunately, panicing in ddb results in a hang - no crashdump.
--- Gary Jennejohn / garyj[at]jennejohn.org gj[at]freebsd.org gj[at]denx.de
Perhaps it's a USB bug. There seems to be some correspondence between the use of the USB Speedtouch ADSL modem and the out-of-control devbuf allocations.
Mark Blackman Exonetric Consulting
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