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Re: Zero Divide in Kernel 3.12-rc4



Am 03.11.2013 um 07:55 schrieb Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>:

> any further news on this one?

Well, not really, I think... but this might be good news. ;)

Yesterday there were two media sense errors on /dev/sda on Spice (A3000/040 with Warpengine, so no ESP), but I guess that's a real media error, especially because sda2 is an AFFS partition I had mounted. 

Nov  2 02:03:29 spice kernel: [629303.810000] sd 1:0:0:0: [sda] Unhandled sense code
Nov  2 02:03:29 spice kernel: [629303.820000] sd 1:0:0:0: [sda]  
Nov  2 02:03:29 spice kernel: [629303.830000] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  2 02:03:29 spice kernel: [629303.840000] sd 1:0:0:0: [sda]  
Nov  2 02:03:29 spice kernel: [629303.850000] Sense Key : Medium Error [current] 
Nov  2 02:03:29 spice kernel: [629303.880000] Info fld=0x7b1d0
Nov  2 02:03:29 spice kernel: [629303.890000] sd 1:0:0:0: [sda]  
Nov  2 02:03:29 spice kernel: [629303.900000] Add. Sense: Unrecovered read error
Nov  2 02:03:29 spice kernel: [629303.910000] sd 1:0:0:0: [sda] CDB: 
Nov  2 02:03:29 spice kernel: [629303.920000] Read(10): 28 00 00 07 b1 d0 00 00 01 00
Nov  2 02:03:29 spice kernel: [629303.970000] end_request: critical medium error, dev sda, sector 504272
Nov  2 02:03:30 spice kernel: [629303.980000] Buffer I/O error on device sda2, logical block 240944
Nov  2 02:03:30 spice kernel: [629306.740000] sd 1:0:0:0: [sda] Unhandled sense code
Nov  2 02:03:30 spice kernel: [629306.750000] sd 1:0:0:0: [sda]  
Nov  2 02:03:30 spice kernel: [629306.760000] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  2 02:03:30 spice kernel: [629306.770000] sd 1:0:0:0: [sda]  
Nov  2 02:03:30 spice kernel: [629306.780000] Sense Key : Medium Error [current] 
Nov  2 02:03:30 spice kernel: [629306.800000] Info fld=0x17c220
Nov  2 02:03:30 spice kernel: [629306.810000] sd 1:0:0:0: [sda]  
Nov  2 02:03:30 spice kernel: [629306.820000] Add. Sense: Unrecovered read error
Nov  2 02:03:30 spice kernel: [629306.830000] sd 1:0:0:0: [sda] CDB: 
Nov  2 02:03:30 spice kernel: [629306.840000] Read(10): 28 00 00 17 c2 20 00 00 01 00
Nov  2 02:03:30 spice kernel: [629306.890000] end_request: critical medium error, dev sda, sector 1557024
Nov  2 02:03:30 spice kernel: [629306.900000] Buffer I/O error on device sda2, logical block 1293696
Nov  2 02:03:30 spice kernel: [629309.590000] sd 1:0:0:0: [sda] Unhandled sense code
Nov  2 02:03:31 spice kernel: [629309.600000] sd 1:0:0:0: [sda]  
Nov  2 02:03:31 spice kernel: [629309.610000] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  2 02:03:31 spice kernel: [629309.620000] sd 1:0:0:0: [sda]  
Nov  2 02:03:31 spice kernel: [629309.630000] Sense Key : Medium Error [current] 
Nov  2 02:03:31 spice kernel: [629309.650000] Info fld=0x7b1d0
Nov  2 02:03:31 spice kernel: [629309.660000] sd 1:0:0:0: [sda]  
Nov  2 02:03:31 spice kernel: [629309.670000] Add. Sense: Unrecovered read error
Nov  2 02:03:31 spice kernel: [629309.680000] sd 1:0:0:0: [sda] CDB: 
Nov  2 02:03:31 spice kernel: [629309.690000] Read(10): 28 00 00 07 b1 d0 00 00 01 00
Nov  2 02:03:31 spice kernel: [629309.740000] end_request: critical medium error, dev sda, sector 504272
Nov  2 02:03:31 spice kernel: [629309.760000] Buffer I/O error on device sda2, logical block 240944
Nov  2 02:03:31 spice kernel: [629312.540000] sd 1:0:0:0: [sda] Unhandled sense code
Nov  2 02:03:31 spice kernel: [629312.550000] sd 1:0:0:0: [sda]  
Nov  2 02:03:31 spice kernel: [629312.560000] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  2 02:03:31 spice kernel: [629312.570000] sd 1:0:0:0: [sda]  
Nov  2 02:03:31 spice kernel: [629312.580000] Sense Key : Medium Error [current] 
Nov  2 02:03:31 spice kernel: [629312.610000] Info fld=0x17c220
Nov  2 02:03:31 spice kernel: [629312.620000] sd 1:0:0:0: [sda]  
Nov  2 02:03:31 spice kernel: [629312.630000] Add. Sense: Unrecovered read error
Nov  2 02:03:31 spice kernel: [629312.640000] sd 1:0:0:0: [sda] CDB: 
Nov  2 02:03:32 spice kernel: [629312.650000] Read(10): 28 00 00 17 c2 20 00 00 01 00
Nov  2 02:03:32 spice kernel: [629312.700000] end_request: critical medium error, dev sda, sector 1557024
Nov  2 02:03:32 spice kernel: [629312.720000] Buffer I/O error on device sda2, logical block 1293696

Otherwise it looks good. No appearance of "Whoa" so far: 

spice:/home/ij# zgrep -i whoa /var/log/syslog* /var/log/messages* 
spice:/home/ij#

akire:~# zgrep -i whoa /var/log/syslog* /var/log/messages*
akire:~# 

I would like to stress akire a little more with a running buildd, but Aurelien didn't add Spice & Akire yet to w-b the last two weeks...

-- 
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gpg pubkey:  http://www.juergensmann.de/ij_public_key.asc

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