On Thu, 2014-12-18 at 20:08 +0000, Leif Lindholm wrote: > On Thu, Dec 18, 2014 at 06:35:25PM +0000, Ian Campbell wrote: > > > > Is PSTORE (going to be) a thing on arm64? (I'm not entirely sure what > > > > pstore is, so sorry if this is a silly question). > > > > > > I am actually not concerned about pstore itself, but rather by the > > > lack of similarity between platforms. > > > > Consistency is a worthwhile goal, but not at the expense of enabling > > legacy x86 junk on new architectures where it can never have any > > relevance. I don't know if pstore fits that bill, which is why I was > > asking about it. > > > > If pstore is going to be a useful thing on arm64 then of course we > > should enable it. We should *not* enable it purely to gain the side > > effect of loading efivars (the more so since as discussed below it seems > > like efivars itself is a legacy interface). > > pstore is not legacy nonsense (it's for storing system crash > information persistently). I don't actively care only since I've also > not heard anyone screaming for it. [...]
systemd can pull crash logs out of pstore and add them to the journal (and hence to syslog, by default). The bug script in linux-image packages also offers to extract crash logs from pstore. (I don't think I've yet seen a bug report where this was done, but then efi-pstore was disabled by default in the wheezy kernel.) Ben. -- Ben Hutchings Absolutum obsoletum. (If it works, it's out of date.) - Stafford Beer
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