Re: ftpd problems (probably kernel's fault)

[Andrew Doran <ad%netbsd.org@localhost>]

On Mon, Apr 28, 2008 at 04:32:32PM +0200, Julio M. Merino Vidal wrote:

> I'm running NetBSD-current/amd64 as of two days ago or so, with a
> kernel from today, and ftpd does not seem to work.
>
> I can log into the machine with the anonymous user and list files,
> but whenever I try to get any of them, it gets stalled at the very
> beginning of the transmission (it says 0 KBs and is unable to
> calculate the ETA).  In some attempt, it transferred about 32 KBs
> and then got stalled.  When I cancel the transfer with ^C, ftp says:
> 
>    ftp: Can't send abort message: No buffer space available
> 
> Similarly, I've also got a stall when doing a ls of a long directory.
> 
> It does not matter if the transfers happen locally or over the network;
> the problem is the same.

I haven't seen this. Do you have any unusual options enabled?

> I've also had two panics caused by ftpd, so this seems to be a kernel
> problem.  One of them said:
> 
>    Stopped in pid 24619.1 (ftpd) at netbsd:mutex_exit+0xc: cmpxchgq
> 
>    mutex_exit() at netbsd:mutex_exit+0xc
>    soclose() at netbsd:soclose+0x5d
>    soo_close() at netbsd:soo_close+0x1c
>    closef() at netbsd:closef+0x68
>    fd_close() at netbsd:fd_close+0x138
>    syscall() at netbsd:syscall+0x9a

Please run: ident $kernel | grep uipc

Thanks,
Andrew