From: Alexander Fieroch <fieroch@web.de>
To: linux-kernel@vger.kernel.org
Cc: Jesper Juhl <jesper.juhl@gmail.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
bzolnier@gmail.com,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
axboe@suse.de,
Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>,
Alexey Dobriyan <adobriyan@gmail.com>,
Andrew Morton <akpm@osdl.org>
Subject: Re: PROBLEM: "drive appears confused" and "irq 18: nobody cared!"
Date: Thu, 07 Jul 2005 01:20:52 +0200 [thread overview]
Message-ID: <42CC6754.8050208@web.de> (raw)
In-Reply-To: <19D0D50E9B1D0A40A9F0323DBFA04ACCE04C30@USRV-EXCH4.na.uis.unisys.com>
[-- Attachment #1: Type: text/plain, Size: 1224 bytes --]
Protasevich, Natalie wrote:
> Hi Alexander,
> To me, it looks like both IDE channels get wrong IRQ. Didn't you
> verified previously that when you go without IDE the system boots up OK?
Yes it does. That's the way I'm currently using linux.
> They get some interrupts because when IRQ 201 occurs triggered by USB,
> the handler for ide runs also, since it is shared with both ide and
> uhci. (Can you also attach output for "cat /proc/interrupts" please).
Ah, acknowledged. IDE and USB iterrupts are shared. /proc/interrupts is
attached.
>> >Then I would try forth-feeding IRQ 14 to the IDE.
>>
>>I don't know how to do that.
>
> I was going to put some code together for you over the weekend, but got
> caught up in other things, sorry.
No problem. I just wanted to know that the problem is not forgotten.
> The idea was to forcibly assign IRQ 14
> for ide0 and IRQ 15 for ide1 in the ide driver, setup-pci.c (just for
> diagnostics and proof of concept so to speak) and see if devices become
> sane.
> I will try tweaking it tonight. I need to make sure it works on my
> system first and if it does I will send you the code.
> Thanks,
> --Natalie
No, thank you for working on that problem!
Regards,
Alexander
[-- Attachment #2: interrupts --]
[-- Type: text/plain, Size: 833 bytes --]
CPU0 CPU1
0: 143266 0 IO-APIC-edge timer
1: 908 0 IO-APIC-edge i8042
7: 0 0 IO-APIC-edge parport0
8: 0 0 IO-APIC-edge rtc
9: 0 0 IO-APIC-level acpi
10: 0 0 IO-APIC-edge MPU401 UART
169: 1857 0 IO-APIC-level skge, uhci_hcd:usb5, HDA Intel
177: 3 0 IO-APIC-level bttv0
185: 365 0 IO-APIC-level ide2, ehci_hcd:usb1, uhci_hcd:usb2
193: 13324 0 IO-APIC-level libata, uhci_hcd:usb3
201: 1600000 0 IO-APIC-level ide0, uhci_hcd:usb4
209: 3 0 IO-APIC-level ohci1394, Ensoniq AudioPCI
NMI: 51 1
LOC: 140268 140272
ERR: 1
MIS: 0
next prev parent reply other threads:[~2005-07-06 23:25 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-06 15:33 PROBLEM: "drive appears confused" and "irq 18: nobody cared!" Protasevich, Natalie
2005-07-06 23:20 ` Alexander Fieroch [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-07-11 5:35 Protasevich, Natalie
2005-05-18 22:24 [2.6.12rc4] " Alexander Fieroch
2005-05-28 0:16 ` Andrew Morton
2005-05-29 20:18 ` Alexander Fieroch
2005-06-14 8:04 ` Bartlomiej Zolnierkiewicz
2005-06-15 20:39 ` Alexander Fieroch
2005-06-15 21:30 ` Andrew Morton
2005-06-16 22:23 ` Alan Cox
2005-06-17 10:49 ` Alexander Fieroch
2005-06-17 12:38 ` Alan Cox
2005-06-17 17:05 ` Alexander Fieroch
2005-06-17 17:17 ` Jesper Juhl
2005-07-06 10:17 ` Alexander Fieroch
2005-07-29 22:38 ` Alexander Fieroch
2005-07-30 0:57 ` Michael Thonke
2005-07-29 23:05 ` Parag Warudkar
2005-07-30 1:42 ` Alexey Dobriyan
2005-08-01 14:38 ` Alexander Fieroch
2005-08-01 14:56 ` Alexander Fieroch
2005-08-01 19:23 ` Krzysztof Halasa
2005-08-01 19:28 ` Bartlomiej Zolnierkiewicz
2005-08-09 17:28 ` Alexander Fieroch
2005-08-09 22:14 ` Alan Cox
2005-08-19 11:12 ` Alexander Fieroch
2005-07-31 22:15 ` Alexander Fieroch
2005-07-06 10:19 ` Alexander Fieroch
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