Bug#631287: BUG during access to hiddev (APC UPS)
On 04/04/12 23:00, Jonathan Nieder wrote:
> While I have your attention: does the patch series in #631287 seem to
> prevent the BUG as advertised without any noticeable unpleasant
> side-effects? How long have you been testing it?
I've been running a 2.6.32-41 kernel with those patches for 8 days, but
all I can say is that I haven't noticed any *new* issues.
My USB-attached APC UPS is working exactly as before, although still
affected by #409349 (control queue full).
I have never experienced the #631287 BUG to date, so I can't say if the
patches really made an improvement. I would plug/unplug the UPS a few
times to check for this, except:
> USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
> root 1068 0.0 0.0 0 0 ? D Mar28 0:00 [khubd]
> root 8488 0.0 0.0 12704 220 ? Ds Mar29 0:00 /sbin/apcupsd
I've not rebooted since the last time I last experienced #409349, and it
seems the UPS was not even detected when I plugged it back in just now.
Sometime, perhaps in a few weeks when this box is retired from
production use, I should repeatedly plug/unplug the UPS:
* on an unpatched kernel, to make sure my specific hardware was affected
in the first place
* on the patched kernel, to make sure the patches have really fixed it
Regards,
--
Steven Chamberlain
steven@pyro.eu.org
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