From: Jun Sun <jsun@mvista.com>
To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Cc: linux-mips@linux-mips.org, jsun@mvista.com
Subject: Re: Malta + USB on 2.4, anyone?
Date: Thu, 31 Jul 2003 10:36:29 -0700 [thread overview]
Message-ID: <20030731103629.D14914@mvista.com> (raw)
In-Reply-To: <Pine.GSO.3.96.1030731121705.17497D-100000@delta.ds2.pg.gda.pl>; from macro@ds2.pg.gda.pl on Thu, Jul 31, 2003 at 12:26:44PM +0200
On Thu, Jul 31, 2003 at 12:26:44PM +0200, Maciej W. Rozycki wrote:
> On Wed, 30 Jul 2003, Jun Sun wrote:
>
> > Has anybody tried USB on malta with 2.4 kernel? I just found that
> > I got 0xff IRQ number and kernel panics.
>
> Possibly IRQ routing is broken -- the PIIX4 uses INTD for its USB
> controller's interrupt. For the Malta it should be routed to the IRQ11
> input of the PIIX4's internal dual-8259A PIC. What does `/sbin/lspci -vv
> -s 00:0a.2' print?
>
The output seems to say the same thing:
root@10.0.18.6:~# lspci -vv -s 00:0a.2
00:0a.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01) (prog-if 00
[UHCI])
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Step
ping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort
- <MAbort- >SERR- <PERR-
Latency: 32
Interrupt: pin D routed to IRQ 11
Region 4: I/O ports at 1220 [size=32]
Jun
next prev parent reply other threads:[~2003-07-31 17:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-31 2:12 Malta + USB on 2.4, anyone? Jun Sun
2003-07-31 9:53 ` Chris Dearman
2003-07-31 17:37 ` Jun Sun
2003-07-31 10:26 ` Maciej W. Rozycki
2003-07-31 17:36 ` Jun Sun [this message]
2003-07-31 18:15 ` Jun Sun
2003-08-01 7:58 ` Maciej W. Rozycki
2003-08-01 8:26 ` Atsushi Nemoto
2003-08-01 17:47 ` Jun Sun
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