Re: [Libguestfs] nbdkit error: "write reply: NBD_CMD_WRITE: Broken pipe"

On 05/01/22 18:35, Nikolaus Rath wrote: > Hi, > > I am developing a new nbdkit plugin, and occasionally I am getting > errors like this: > > |nbdkit: s3backer.8: error: write reply: NBD_CMD_WRITE: Broken pipe > nbdkit: s3backer.15: error: write reply: NBD_CMD_WRITE: Broken pipe| > > > (where "s3backer" is the plugin name). > > I am not sure what to make of these. Can someone advise? > > Looking at the nbdkit source, it looks to me like these are generated > when there is a problem sending a reply to the nbd client. On the other > hand, I am using the standard 'nbd-client' program through a Unix > socket, so I'd think this should not result in errors...? If your plugin managed to crash nbd-client remotely, that would be consistent with this symptom.