From: Pavel Machek <pavel@suse.cz>
To: Michael Frank <mflt1@micrologica.com.hk>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
John Belmonte <jvb@prairienet.org>
Subject: Re: Yenta_socket lsPCI IRQ reads incorrect
Date: Mon, 14 Jul 2003 11:07:00 +0200 [thread overview]
Message-ID: <20030714090700.GB221@elf.ucw.cz> (raw)
In-Reply-To: <200307141333.03911.mflt1@micrologica.com.hk>
Hi!
> [mhf@mhfl2 13:40:27 mhf]$ cat /proc/interrupts
> CPU0
> 0: 1242348 XT-PIC timer
> 1: 5253 XT-PIC i8042
> 2: 0 XT-PIC cascade
> 5: 88 XT-PIC Toshiba America Info ToPIC95 PCI to Cardb, serial
> 8: 0 XT-PIC rtc
> 9: 162 XT-PIC acpi
> 10: 1003 XT-PIC eth0
> 12: 23967 XT-PIC i8042
> 14: 8698 XT-PIC ide0
> NMI: 0
> LOC: 0
> ERR: 5
> MIS: 0
>
>
> lspci shows that IRQ level: byte 3C is FF, it should be 5
>
> 00:12.0 CardBus bridge: Toshiba America Info Systems ToPIC95 PCI to Cardbus Bridge with ZV Support (rev 32)
> 00: 79 11 17 06 00 00 90 04 32 00 07 06 00 40 82 00
> 10: 00 10 00 10 80 00 80 04 00 01 04 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 00 00 00 00 00 00 00 00 ff 01 00 00
> 40: 79 11 01 00 01 00 00 00 00 00 00 00 00 00 00 00
> 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> When this value is used by pci_restore_state, interrupt
> obviously dies.
>
> Dunno if this is hardware readback fault or driver issue.
In any case it should be easy to fixup in ToPIC95 driver...
Pavel
--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
next prev parent reply other threads:[~2003-07-14 8:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-14 5:41 Yenta_socket lsPCI IRQ reads incorrect Michael Frank
2003-07-14 9:07 ` Pavel Machek [this message]
2003-07-14 9:28 ` 2.5.75-mm1 yenta-socket " Michael Frank
2003-07-14 11:01 ` Russell King
2003-07-14 11:37 ` Michael Frank
2003-07-14 14:50 ` Russell King
2003-07-14 15:04 ` Jeff Garzik
2003-07-14 15:21 ` Russell King
2003-07-14 15:18 ` Michael Frank
2003-07-14 15:34 ` Russell King
2003-07-14 15:27 ` Michael Frank
2003-07-15 5:31 ` Michael Frank
2003-07-15 6:08 ` Michael Frank
2003-07-15 7:56 ` Russell King
2003-07-15 9:34 ` Michael Frank
2003-07-15 10:42 ` Michael Frank
2003-07-15 14:39 ` Russell King
2003-07-15 16:09 ` Michael Frank
2003-07-16 3:16 ` Michael Frank
2003-07-16 5:04 ` Michael Frank
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