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Need help for bug reports




Hi,

i found three annoying bugs:

1- Since i changed my graphics card from "geforce 8800 gts 512" to "geforce 780 ti", my pc powers off only if i add "console=ttyS1,115200" to the kernel boot parameters. Otherwise, it reboot.


2- I didn't have these messages with debian jessie 8.4 and i don't have these with the debian live cd (sda,sdb,sdc and sdd are logical drives handled by a megaraid card):

[    5.903136] sd 0:1:1:0: [sdb] Unhandled error code
[    5.903148] sd 0:1:1:0: [sdb]  
[    5.903153] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
[    5.903158] sd 0:1:1:0: [sdb] CDB: 
[    5.903162] ATA command pass through(16): 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[    5.939504] sd 0:1:2:0: [sdc] Unhandled error code
[    5.939517] sd 0:1:2:0: [sdc]  
[    5.939523] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
[    5.939529] sd 0:1:2:0: [sdc] CDB: 
[    5.939534] ATA command pass through(16): 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[    5.952965] sd 0:1:1:0: [sdb] Unhandled error code
[    5.952973] sd 0:1:1:0: [sdb]  
[    5.952977] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
[    5.952980] sd 0:1:1:0: [sdb] CDB: 
[    5.952983] ATA command pass through(16): 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[    5.980244] sd 0:1:2:0: [sdc] Unhandled error code
[    5.980252] sd 0:1:2:0: [sdc]  
[    5.980256] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
[    5.980259] sd 0:1:2:0: [sdc] CDB: 
[    5.980262] ATA command pass through(16): 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[    5.997642] sd 0:1:2:0: [sdc] Unhandled error code
[    5.997651] sd 0:1:2:0: [sdc]  
[    5.997655] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
[    5.997658] sd 0:1:2:0: [sdc] CDB: 
[    5.997661] ATA command pass through(16): 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[    6.052163] sd 0:1:0:0: [sda] Unhandled error code
[    6.052177] sd 0:1:0:0: [sda]  
[    6.052182] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
[    6.052187] sd 0:1:0:0: [sda] CDB: 
[    6.052191] ATA command pass through(16): 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[    6.060136] sd 0:1:0:0: [sda] Unhandled error code
[    6.060150] sd 0:1:0:0: [sda]  
[    6.060157] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
[    6.060164] sd 0:1:0:0: [sda] CDB: 
[    6.060169] ATA command pass through(16): 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[    6.077558] sd 0:1:0:0: [sda] Unhandled error code
[    6.077560] sd 0:1:0:0: [sda] Unhandled error code
[    6.077570] sd 0:1:0:0: [sda]  
[    6.077574] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK


3 - Look at these messages:

[    1.283600] sd 0:1:2:0: [sdc] 460800000 512-byte logical blocks: (235 GB/219 GiB)
[    1.283627] sd 0:1:1:0: [sdb] 204804096 512-byte logical blocks: (104 GB/97.6 GiB)
[    1.283643] sd 0:1:2:0: [sdc] Write Protect is off
[    1.283651] sd 0:1:2:0: [sdc] Mode Sense: 00 00 00 00
[    1.283664] sd 0:1:1:0: [sdb] Write Protect is off
[    1.283672] sd 0:1:1:0: [sdb] Mode Sense: 00 00 00 00
[    1.283688] sd 0:1:2:0: [sdc] Asking for cache data failed
[    1.283704] sd 0:1:1:0: [sdb] Asking for cache data failed
[    1.283708] sd 0:1:1:0: [sdb] Assuming drive cache: write through
[    1.283894] sd 0:1:2:0: [sdc] Assuming drive cache: write through
[    1.284130] sd 0:1:0:0: [sda] 716802048 512-byte logical blocks: (367 GB/341 GiB)
[    1.284171] sd 0:1:0:0: [sda] Write Protect is off
[    1.284178] sd 0:1:0:0: [sda] Mode Sense: 00 00 00 00
[    1.284203] sd 0:1:0:0: [sda] Asking for cache data failed
[    1.284268] sd 0:1:0:0: [sda] Assuming drive cache: write through
[    1.284798]  sdb: sdb1
[    1.284914] sd 0:1:3:0: [sdd] 4294963200 512-byte logical blocks: (2.19 TB/1.99 TiB)
[    1.284952] sd 0:1:3:0: [sdd] Write Protect is off
[    1.284958] sd 0:1:3:0: [sdd] Mode Sense: 00 00 00 00
[    1.284981] sd 0:1:3:0: [sdd] Asking for cache data failed
[    1.285048] sd 0:1:3:0: [sdd] Assuming drive cache: write through
[    1.285717] sd 0:1:1:0: [sdb] Attached SCSI disk

sda, sdb, sdc, sdd are logical drives handled by the megaraid card. According to these messages, the system is unable to know the configuration of the megaraid caches. So, it assumes "write through". But i want to enable the "write back" capability of the megaraid card. If i do that, does this lead to corruption data on drive especially at power off ?



I would like to sent bug reports but i don't know at which packages these bugs belong to.

Thanks,

Willy.