Bug 13846
| Summary: | LEDs switched off permanently by power saving with rt61pci driver | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Rafael J. Wysocki (rjw) |
| Component: | network-wireless | Assignee: | drivers_network-wireless (drivers_network-wireless) |
| Status: | CLOSED DOCUMENTED | ||
| Severity: | normal | CC: | IvDoorn, linville |
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 2.6.31-rc2 | Subsystem: | |
| Regression: | Yes | Bisected commit-id: | |
| Bug Depends on: | |||
| Bug Blocks: | 13615 | ||
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Description
Rafael J. Wysocki
2009-07-26 22:18:29 UTC
On Monday 27 July 2009, Chris Clayton wrote:
> 2009/7/26 Rafael J. Wysocki <rjw@sisk.pl>:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.30. Please verify if it still should be listed and let me know
> > (either way).
> >
>
> This bug should remain open, although we are, I think, getting closer
> to the cause, which seems to be related to some interaction between
> the rt61 driver and mac80211 power saving.
>
> >
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13846
> > Subject : Possible regression in rt61pci driver
> > Submitter : Chris Clayton <chris2553@googlemail.com>
> > Date : 2009-07-13 8:27 (14 days old)
> > References : http://marc.info/?l=linux-kernel&m=124747418828398&w=4
On Monday 03 August 2009, Chris Clayton wrote:
> Hi Rafael,
>
> On Sunday 02 August 2009, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.30. Please verify if it still should be listed and let me know
> > (either way).
> >
>
> The folks on the wireless project have concluded that the problem I reported
> is down to a hardware
> problem when power saving is switched on on for my Belkin cardbus wireless
> adapter, so now I simply
> turn power-saving off when wlan0 comes up. I did, however, ask whether anyone
> was going to fix the
> fact that once power-saving turns the LEDs off, they never come back on
> again, but I haven't had an
> answer. Is that a regression? I guess the answer is no, because power saving
> in the rt61pci driver
> is feature that is new to 2.6.31. Should it be fixed? I think the answer is
> yes, but being unable
> to do it myself, I probably don't have a vote :-)
>
> All I can do is report that I now know how to avoid my laptop freezing and
> leave the decision as to
> whether it should stay on the regression list to you and the folks from the
> wireless project.
On Monday 10 August 2009, Chris Clayton wrote:
> Hi Rafael,
>
> On Sunday 09 August 2009, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.30. Please verify if it still should be listed and let me know
> > (either way).
> >
>
> Ivo sent a test patch for this and I tested it., but without success. I
> reported my findings but
> didn't get a reply. See
> http://marc.info/?l=linux-wireless&m=124940189007154&w=4.
>
> I suspect the failure is due to the same PS hardware probelms that were at
> the route of my original
> report.. Unless one of the wireless folks say otherwise, I think we should
> close this on the basis
> of busted hardware. I'm happy to simply eject the card and re-insert it now
> that I have some udev
> scripts to tear down the wireless configuration on the ejection and set it
> uop again when the card
> is re-inserted.
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