From: Seth Jennings Date: Fri, 5 Sep 2014 19:28:47 +0000 (-0500) Subject: sb_edac: avoid INTERNAL ERROR message in EDAC with unspecified channel X-Git-Tag: fixes-against-v3.18-rc2~129^2~2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=351fc4a99d49fde63fe5ab7412beb35c40d27269;p=pandora-kernel.git sb_edac: avoid INTERNAL ERROR message in EDAC with unspecified channel Intel IA32 SDM Table 15-14 defines channel 0xf as 'not specified', but EDAC doesn't know about this and returns and INTERNAL ERROR when the channel is greater than NUM_CHANNELS: kernel: [ 1538.886456] CPU 0: Machine Check Exception: 0 Bank 1: 940000000000009f kernel: [ 1538.886669] TSC 2bc68b22e7e812 ADDR 46dae7000 MISC 0 PROCESSOR 0:306e4 TIME 1390414572 SOCKET 0 APIC 0 kernel: [ 1538.971948] EDAC MC1: INTERNAL ERROR: channel value is out of range (15 >= 4) kernel: [ 1538.972203] EDAC MC1: 0 CE memory read error on unknown memory (slot:0 page:0x46dae7 offset:0x0 grain:0 syndrome:0x0 - area:DRAM err_code:0000:009f socket:1 channel_mask:1 rank:0) This commit changes sb_edac to forward a channel of -1 to EDAC if the channel is not specified. edac_mc_handle_error() sets the channel to -1 internally after the error message anyway, so this commit should have no effect other than avoiding the INTERNAL ERROR message when the channel is not specified. Signed-off-by: Seth Jennings Signed-off-by: Mauro Carvalho Chehab --- Reading git-diff-tree failed