Messages in this thread | | | Date | Sat, 14 Mar 2009 21:42:30 +0000 | From | Alan Cox <> | Subject | Re: MOXA I/O errors on 2.6.28+ |
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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
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