Re: large incoming ftp transfers crash computer
I have had similar problems using the new DMA/33 drives. It seems that
there is at least one minor bug in that the DMA/33 spec uses a status bit
that used to mean "drive not ready" to mean something else. Which kernel
version are you using? I had this problem at least up to 2.0.33. All of my
systems with a newer kernel than that are SCSI. One system was
particularly bad about this. I had to move the DMA/33 drive to the second
IDS bus all by itself for it to behave. I got EXACTLY the same errors that
you are reporting. I got them as soon as I installed the DMA/33 drive.
I suppose the moral of the story is, if you are going to use a DMA/33
drive, use it in DMA/33 mode with a DMA/33 controller that is supported by
Linux. (I know there is a Promise controller that is supported in the
latest 2.0 kernels.)
On Sat, 3 Oct 1998, Eric wrote:
> This is actually a problem my friend has been having. He has a hamm
> system which is connected to the same local 10Base-T network that mine is.
> The other day, someone else on the local network was transferring
> something really large (~500MB) to his computer and my friends computer
> crashed hard. I wrote down the error message that had scrolled down the
> terminal somewhere, but I lost it. :( I do remember that it began with
> "Aiee: ". We thought it was just a quirk, but yesterday I was
> transferring something large to his computer and his computer crashed
> again...this time without any error message.
>
> This error doesn't occur with my computer, which is also a hamm system, so
> it can't be something wrong with the network or with in.ftpd itself. I
> guess it must have something to do with his hardware. He has a Pentium II
> 400 with 128MB of SDRAM, and a 3COM 905B ethernet card. He also has a
> UDMA hard drive which isn't really working properly in linux. Every time
> he boots up, it says:
>
> Partition Check:
> hda:hda: set_multmode: status=0x51 {DriveReady SeekComplete Error}
> hda: set_multmode: error=0x04 { DriveStatusError }
> hda: irq timeout: status=0x58 { DriveReady SeekComplete DataRequest }
> hda: Disabled DMA
>
> He's tried the 2.1 kernels, but they do the same thing. Could this
> disabling of his hard drive's DMA mode be the cause of the ftp problem?
>
> Any help would be appreciated.
>
> --
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>
George Bonser
The Linux "We're never going out of business" sale at an FTP site near you!
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