Warner-san, I confirmed that the following problem occurs not only for fwochi but also for if_rl, if_xl, if_dc and ahc_pci.
After "kldload if_rl", I got wi0 timeout. (I don't even have those hardware.) All drivers above supports both pci and cardbus... Do you have any idea? /\ Hidetoshi Shimokawa \/ [EMAIL PROTECTED] PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html At Thu, 30 Jan 2003 01:25:19 +0900, Hidetoshi Shimokawa wrote: > > At Wed, 29 Jan 2003 12:49:51 +0100, > Andrea Campi wrote: > > > > On Sat, Jan 25, 2003 at 11:55:01AM -0700, M. Warner Losh wrote: > > > This sounds like it might be an interrupt storm. I'm not sure if the > > > fwohci driver is failing to clear an interrupt source, or if the > > > cardbus bridge is failing. Have you connected a fw device to the > > > firewire card? > > > > I've been able to run a few more tests, even though I've not done abused > > it in every way I have in my mind yet... > > > > The evidence I currently have is: > > - if I load the modules at loader time everything is fine, with or without > > a device attached > > - if I load the modules later on, the kldload doesn't return and the system > > stops responding; I can still enter DDB. The only way to recover from that is > > to eject the card; at that point, the system is usable BUT as soon as there > > is network activity, the system freezes hard (can't get to DDB). > > > > IMHO this is 100% an interrupt problem. Does this ring a bell with one of you, > > or should I provide more info? > > I have another strange firewire and cardbus/pccard interaction. > If I load firewire module while I'm using wi0 in cardbus slot, > the wi0 stop its work and output following messages. > (In my laptop, fwohci is on PCI.) > > wi0: xmit failed > wi0: timeout in wi_cmd 0x010b; event status 0x0000 > ... > > > Even if I replace fwochi_pci_attach() with one line 'return EIO' > (i.e. the doesn't anything), the problem still happens. > > I think this is not a problem of fwohci. > Maybe PCI or Cardbus/PCcard or kldload problem? > > > > /\ Hidetoshi Shimokawa > \/ [EMAIL PROTECTED] > PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message