Date: Thu, 02 Oct 2003 00:58:10 +0900 From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp> To: Thomas Moestl <t.moestl@tu-bs.de> Cc: freebsd-sparc@freebsd.org Subject: Re: vm_fault for pbuf on sparc64 Message-ID: <ybsr81xlzl9.wl@ett.sat.t.u-tokyo.ac.jp> In-Reply-To: <20031001144131.GB746@timesink.dyndns.org> References: <ybssmmgnwjx.wl@ett.sat.t.u-tokyo.ac.jp> <20031001144131.GB746@timesink.dyndns.org>
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At Wed, 1 Oct 2003 16:41:31 +0200, Thomas Moestl wrote: > > On Mon, 2003/09/29 at 11:44:02 +0900, Hidetoshi Shimokawa wrote: > > I have a problem with handling of pbuf on sparc64. > > My driver's strategy() routine will write pbuf by CPU rather > > than DMA by the device. I confirmed that the pbuf is mapped in > > pmap_qenter() but I got a vm_fault for the access to the pbuf. > > Hmmm. Can you please post the code in question, so that I can take a > look? > > - Thomas The code is in p4. fwmem_strategy() is in: //depot/user/simokawa/firewire/sys/dev/firewire/fwmem.c callback routine is called from: //depot/user/simokawa/firewire/sys/dev/firewire/fwochi.c //depot/user/simokawa/firewire/sys/dev/firewire/firewire.c Is there any way to investigate page table in DDB? Thanks, /\ Hidetoshi Shimokawa \/ simokawa@sat.t.u-tokyo.ac.jp PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html
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