Bug#627933: Regression: hot plugging sdhc card on Acer Aspire One

[ael <law_ence.dev@ntlworld.com>]

On Wed, May 25, 2011 at 05:00:35PM +0000, maximilian attems wrote:
> On Wed, May 25, 2011 at 05:49:03PM +0100, ael wrote:
> > Package: linux-2.6
> > Version: 2.6.38-5
> > Severity: normal
> > 
> > The Acer Aspire One netbook has two card readers, left & right.
> > Until recently (sorry not sure when regression happened) hotplugging
> > the right hand card worked. But now such a card is only seen
> > on cold boot.
> 
> please try against 2.6.39 in unstable, outdated linux image report against.

Just tried it. No change. 
# uname -a
Linux elf 2.6.39-1-686-pae #1 SMP Fri May 20 20:40:05 UTC 2011 i686 GNU/Linux

Do you need me to collect all the dumps for 2.6.39-1-686.. ?

# modinfo pciehp 
filename:       /lib/modules/2.6.39-1-686-pae/kernel/drivers/pci/hotplug/pciehp.ko
license:        GPL
description:    PCI Express Hot Plug Controller Driver
author:         Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>
depends:        pci_hotplug
intree:         Y
vermagic:       2.6.39-1-686-pae SMP mod_unload modversions 686 
parm:           pciehp_detect_mode:Slot detection mode: pcie, acpi, auto
  pcie          - Use PCIe based slot detection
  acpi          - Use ACPI for slot detection
  auto(default) - Auto select mode. Use acpi option if duplicate
                  slot ids are found. Otherwise, use pcie option
 (charp)
parm:           pciehp_debug:Debugging mode enabled or not (bool)
parm:           pciehp_poll_mode:Using polling mechanism for hot-plug events or not (bool)
parm:           pciehp_poll_time:Polling mechanism frequency, in seconds (int)
parm:           pciehp_force:Force pciehp, even if OSHP is missing (bool)


Maybe I need to play around with the pciehp_detect-mode parameter?

ael