Re: seriel console support broken in -mm4 and -mm5

From: Martin J. Bligh (mbligh_at_aracnet.com)
Date: 03/31/04

  • Next message: Marcus Hartig: "Re: [PATCH] speed up SATA"
    Date:	Wed, 31 Mar 2004 08:17:03 -0800
    To: Andrew Morton <akpm@osdl.org>
    
    

    >> > It works fine in -rc2.
    >> >
    >> > -mm4 prints jibberish (wrong speed / settings?) for serial console, but
    >> > the getty stuff comes out file. shutdown just prints more jibberish.
    >> >
    >> > -mm5 prints about half as much jibberish as -mm4 then hangs, seemingly
    >> > halfway through boot.
    >> >
    >> > I guess I'll try linus.patch from -mm4 next, unless you have any other
    >> > suggestions that'd be more fruitful ...
    >>
    >> OK, so -mm5 actually does the same as mm4 on my second try, so maybe the
    >> hang is intermittent, or something.
    >>
    >> However, linus.patch from -mm4 works fine, so the culprit is one of the
    >> other patches in your tree ... any suggestions for which to shoot first? ;-)
    >>
    >
    > Not really. Are you using early printk?
    >
    > The only patches I have which touch drivers/serial/ are
    > 8250-resource-management-fix, linus, pmac_zilog-oops-fix, kgdb-ga.
    >
    > Lots of patches against drivers/char/*, but I don't see how any of those
    > can futz the serial settings. I'm assuming you're using 8250?

    Sometimes my own idleness saves my arse. I finally got around to debugging
    it, and it's gone in rc3-mm2 ;-) Yes, was 8250 ...

    Thanks,

    M

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/


  • Next message: Marcus Hartig: "Re: [PATCH] speed up SATA"

    Relevant Pages

    • Re: lockups with netconsole on e1000 on media insertion
      ... > have to bail out. ... That's why I think your first patch with this warning as well as a fix ... how bad is it to have a printk in a routine that is registered to ... send the line "unsubscribe linux-kernel" in ...
      (Linux-Kernel)
    • Re: [patch] kernel events layer
      ... > Criteria for adding the event would be that user-space needs to know ... and would normally have to poll to get the information. ... remove the existing printk() and structure them in the process. ... send the line "unsubscribe linux-kernel" in ...
      (Linux-Kernel)
    • Re: [PATCH] ALPS: fix enabling hardware tapping
      ... IFAIK this code was added by Dmitry as ... > part of the hardware auto-detection changes. ... That printk is deleted anyway by this patch, ... send the line "unsubscribe linux-kernel" in ...
      (Linux-Kernel)
    • Re: [ACPI] PATCH-ACPI based CPU hotplug[2/6]-ACPI Eject interface support
      ... > add a PRINTK saying that BUS_CHECKwas received in the ... > ACPI Processor and in the container driver, and when we hit that printk on a ... CPU without a warning, especially if the CPU is the last one:) I hand in mind ... send the line "unsubscribe linux-kernel" in ...
      (Linux-Kernel)
    • Re: [PATCH] ALPS: fix enabling hardware tapping
      ... IFAIK this code was added by Dmitry as ... > part of the hardware auto-detection changes. ... That printk is deleted anyway by this patch, ... send the line "unsubscribe linux-kernel" in ...
      (Linux-Kernel)