lkml.org 
[lkml]   [2009]   [Mar]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: MOXA I/O errors on 2.6.28+
On Sat, 14 Mar 2009 22:36:30 +0100
Jan Kasprzak <kas@fi.muni.cz> wrote:

> Hello,
>
> I have several servers with MOXA C320 serial boards. Starting with 2.6.28,
> some ports on MOXA boards sometimes get to a state where open("/dev/ttyMX<n>")
> returns -EIO. I use the servers with MOXA boards as serial console hubs,
> and I think the EIO state is caused by the remote getty or the whole remote
> server being restarted.

Sounds like a refcount bug.

> 2.6.27 is OK, 2.6.28 and 2.6.29-rc8 is faulty. I can git bisect
> if you want (I have a spare server which I can reboot at will).

Might be useful but let me take a look first, chances are you've provided
enough information
>
> My MOXA boards are
>
> 01:08.0 Serial controller: Moxa Technologies Co Ltd Intellio C320 Turbo PCI (rev 02)
>
> What can I do to have this problem fixed? Thanks,

Step 1: Report it giving accurate detailed info... which you've done
nicely.

Alan


\
 
 \ /
  Last update: 2009-03-14 22:45    [W:0.065 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site