Quoting r. Jun'ichi Nomura <j-nomura at ce.jp.nec.com>: > Subject: Re: 2.6.19-rc3: known unfixed regressions (v3) > > Hi Michael, > > > 2.6.19-rc3 without reverting > > d7dd8fd9557840162b724a8ac1366dd78a12dff stops receiving ACPI events after some > > use (sometimes after suspend/resume, sometimes after kernel build stress). Now, > > what does this tell us? Andrew, any idea? > > The code is related to bd_claim_by_disk which is called when > device-mapper or md tries to mark the underlying devices > for exclusive use and creates symlinks from/to the devices > in sysfs. The patch added error handlings which weren't in > the original code. > > I have no idea how it affects ACPI event handling. It's a mystery. Probably exposes a bug somewhere? > Are you using dm and/or md on your machine? The .config is attached to bugzilla. > Have you seen any unusual kernel messages or symptoms regarding > dm/md before the ACPI problem occurs? I haven't. -- MST
