kernel-packages team mailing list archive

[Brian Vargyas <brianv@xxxxxxxxxxx>]

I wanted to give an update into testing the Vivid kernel on 14.04 LTS
re: https://bugs.launchpad.net/bugs/1454758

Our non-critical database production server ran for almost two weeks,
but this morning finally died when the file system went RO overnight due
to VSS backups.   This is with the vivid-19 kernel patches posted here.
This also confirms @f-bosch findings that he still is having problems
with the new kernel.    I went back to
https://bugs.launchpad.net/bugs/1454758 and it looks like it's still
listed a a duplicate of this bug ID.   Being that @jsalisbury wants to
keep this on topic for performance improvements, I'm not sure where that
leaves us who are more concerned about the reliability aspects of these
improvements over the performance.

Looking for best next steps on this one.

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https://bugs.launchpad.net/bugs/1445195

Title:
  [Hyper-V] Kernel patches for storvsc

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Precise:
  Triaged
Status in linux source package in Trusty:
  Triaged
Status in linux source package in Utopic:
  Triaged
Status in linux source package in Vivid:
  Fix Committed
Status in linux source package in Wily:
  Triaged

Bug description:
  Storage driver performance updates for vivid

  K. Y. Srinivasan (7):
    scsi: storvsc: Increase the ring buffer size
    scsi: storvsc: Size the queue depth based on the ringbuffer size
    scsi: storvsc: Always send on the selected outgoing channel
    scsi: storvsc: Retrieve information about the capability of the target
    scsi: storvsc: Fix a bug in copy_from_bounce_buffer()
    scsi: storvsc: Don't assume that the scatterlist is not chained
    scsi: storvsc: Set the tablesize based on the information given by the host

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