On Sat, Sep 20 2003, Michael D. Crawford wrote: > When I give the following command to do a DESTRUCTIVE bad block check: > > badblocks -o 11.bb -b 4096 -v -w /dev/sda11 > > the following message appears repeatedly on the console: > > Warning - running *really* short on DMA buffers
Upgrade your kernel, this bug is fixed in 2.4.20 and newer. > However, the test seems to proceed normally. Is this a problem? Each time > the message appears, it repeats a half dozen times immediately, and then > the half dozen repetitions come again ten or twenty seconds later. The > message only seems to happen while writing to the drive, not while reading. It's because of fragmentation in the scsi dma pool, and with writes you typically have a lot more commands pending. As you note, the message doesn't cause corruption: it's like the message says, a warning telling you about slightly degraded io performance. -- Jens Axboe -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
