strange scsi/CAM related dmesg output
jhb at freebsd.org
Mon Jun 7 14:22:44 UTC 2010
On Saturday 05 June 2010 2:54:15 pm Jille Timmermans wrote:
> Scott Long schreef:
> > On Jun 4, 2010, at 4:35 PM, Alexander Best wrote:
> >> hi there. running HEAD, amd64 and r208806 i get this dmesg output
> >> which doesn't look right:
> >> ada0 at ahcich2 bus 0 scbus3 target 0 lun 0
> >> ada0: <SAMSUNG SP2504C VT100-50> ATA-7 SATA 2.x device
> >> ada0: 300.000MB/s transferscd0 at ata2 bus 0 scbus2 target 0 lun 0
> >> cd0: <HL-DT-ST DVDRAM GSA-H10N JL12> Removable CD-ROM SCSI-0 device
> >> cd0: 33.300MB/s transfers (UDMA2, ATAPI 12bytes, PIO 65534bytes)
> >> cd0: cd present [1944656 x 2048 byte records]
> >> (SATA 2.x, UDMA6, PIO 8192bytes)
> >> ada0: Command Queueing enabled
> >> ada0: 238474MB (488395055 512 byte sectors: 16H 63S/T 16383C)
> >> my kernel contains:
> >> options SC_HISTORY_SIZE=1000
> >> options MSGBUF_SIZE=65536
> >> options PRINTF_BUFR_SIZE=128
> >> might this be caused by one of these lines?
> >> cheers.
> > Can you be more specific about what you think is not right?
> > Scott
> I assume he means that 'cd0 at ata2 ...' is on the same line as the
> third ada0 line. After all the cd0-lines, the ada0 line continues.
> That shouldn't happen with PRINTF_BUFR_SIZE set, should it?
It can happen because the print buffer size thing is not line-buffered, it is
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