From: Robert Hancock <hancockrwd@gmail.com>
To: Zbigniew Luszpinski <zbiggy@o2.pl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: OHCI USB hangs during intensive use, nVidia MCP78S chipset, few questions to help me find the problem.
Date: Sat, 27 Jun 2009 11:27:58 -0600 [thread overview]
Message-ID: <4A46569E.2070501@gmail.com> (raw)
In-Reply-To: <200906271751.21418.zbiggy@o2.pl>
On 06/27/2009 09:51 AM, Zbigniew Luszpinski wrote:
> Hello,
>
> after upgrading my CPU from single core to multicore and mainboard I started
> to have problem with OHCI USB controller. It hangs during big data transfer
> (USB hdd drive, pendrive, IRDA dongle or adsl modem). The result of hang is
> usb device is not responding. This is the only error I found. I would like to
> learn why it hangs and fix it. I tried kernels 2.6.27-30 and most popular
> Linux distributions. Adding noapic or acpi=noirq parameter to kernel boot line
> almost workarounds the problem, disabling tickless kernel: CONFIG_NO_HZ also
> makes usb ohci hanging a little bit less. Usb 1.1 devices still hangs but
> seldom: only transferring over 100MiB file to/from usb hdd or downloading
> CentOS dvd iso from ftp or torrent can hang usb. I do not want to be left with
> workaround. I want to fix it. Can you tell me how to find the issue and where
> to look for faulty code? By looking at kernel parameters which cures the usb
> ohci bug it must be something wrong with IRQs.
Are you getting any kernel errors/messages in dmesg? In any case you
should post your dmesg output from bootup.
next prev parent reply other threads:[~2009-06-27 17:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-27 15:51 OHCI USB hangs during intensive use, nVidia MCP78S chipset, few questions to help me find the problem Zbigniew Luszpinski
2009-06-27 17:27 ` Robert Hancock [this message]
2009-06-28 0:38 ` Zbigniew Luszpinski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4A46569E.2070501@gmail.com \
--to=hancockrwd@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=zbiggy@o2.pl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.