Messages in this thread | | | From | Seiji Aguchi <> | Subject | RE: [RFC PATCH v2 04/11] pstore: Add compression support to pstore | Date | Thu, 22 Aug 2013 23:47:02 +0000 |
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> -----Original Message----- > From: Luck, Tony [mailto:tony.luck@intel.com] > Sent: Thursday, August 22, 2013 7:17 PM > To: Seiji Aguchi; Aruna Balakrishnaiah; linuxppc-dev@ozlabs.org; linux-kernel@vger.kernel.org; keescook@chromium.org > Cc: jkenisto@linux.vnet.ibm.com; ananth@in.ibm.com; benh@kernel.crashing.org; cbouatmailru@gmail.com; > mahesh@linux.vnet.ibm.com; ccross@android.com > Subject: RE: [RFC PATCH v2 04/11] pstore: Add compression support to pstore > > <1>[ 383.209057] RIP [<ffffffff813d3946>] sysrq_handle_crash+0x16/0x20 > <4>[ 383.209057] RSP <ffff88006f551e80> > <4>[ 383.209057] CR2: 0000000000000000 > <4>[ 383.209057] ---[ end trace 04a1cddad37b4b33 ]--- > <3>[ 383.209057] pstore: compression failed for Part 2 returned -5 > <3>[ 383.209057] pstore: Capture uncompressed oops/panic report of Part 2 > <3>[ 383.209057] pstore: compression failed for Part 5 returned -5 > > Interesting. With ERST backend I didn't see these messages. Traces in > pstore recovered files go as far as the line before the "---[ end trace 04a1cddad37b4b33 ]---" > > Why the difference depending on which back end is in use?
I think the difference doesn't depend on the back end. Rather it depends on the environment.
I tested on a kvm guest with OVMF.
Seiji
> > But I agree that we shouldn't have these messages. They use up space > in the persistent store that could be better used saving some more lines > from earlier in the console log. > > -Tony
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