Bug 28832
| Summary: | [regression][2.6.38-rcX][net][iwlagn] WiFi signal after period of time tanks causing contant drops | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Maciej Rutecki (maciej.rutecki) |
| Component: | network-wireless | Assignee: | drivers_network-wireless (drivers_network-wireless) |
| Status: | CLOSED UNREPRODUCIBLE | ||
| Severity: | normal | CC: | linville, maciej.rutecki, rjw, shawn.starr |
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 2.6.38-rc | Subsystem: | |
| Regression: | Yes | Bisected commit-id: | |
| Bug Depends on: | |||
| Bug Blocks: | 27352 | ||
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Description
Maciej Rutecki
2011-02-10 20:06:34 UTC
I was seeing similar behaviour in -rc3, but not in -rc4. Please have the user try that? From: Shawn Starr <shawn.starr@rogers.com> (sh0n.net) Date: Thu Feb 10 22:15:29 2011 On Thursday, February 10, 2011 10:07:48 PM Shawn Starr wrote: > On Thursday, February 10, 2011 07:16:24 AM wwguy wrote: > > On Wed, 2011-02-09 at 23:15 -0800, Andrew Morton wrote: > > > (cc linux-wireless) > > > > > > On Sun, 06 Feb 2011 22:54 -0500 Shawn Starr <shawn.starr@rogers.com> > > wrote: > > > > Using a Intel Corporation PRO/Wireless 5100 AGN [Shiloh] card > > > > after > > > > rebooting and a period of of seveal hours signal begins to drop > > > > to > > > > low levels: > > > > > > > > > > > > wlan0 IEEE 802.11abgn ESSID:"XXXXXXXX" > > > > > > > > Mode:Managed Frequency:2.462 GHz Access > > > > Point: > > > > AA:BB:CC:DD:EE:FF Bit Rate=11 Mb/s > > > > Tx-Power=15 dBm > > > > Retry long limit:7 RTS thr:off Fragment > > > > thr:off > > > > Power Management:off > > > > Link Quality=12/70 Signal level=-98 dBm > > > > Rx invalid nwid:0 Rx invalid crypt:0 Rx > > > > invalid frag:0 > > > > Tx excessive retries:0 Invalid misc:35 > > > > Missed > > > > beacon:0 > > > > > > > > ... > > > > > > > > Link Quality=12/70 Signal level=-98 dBm > > > > Rx invalid nwid:0 Rx invalid crypt:0 Rx > > > > invalid frag:0 > > > > Tx excessive retries:0 Invalid misc:40 > > > > Missed > > > > beacon:0 > > > > > > > > I start seeing lots of Invalid misc errors and connection drops. > > > > If > > > > I reboot, then signal will be back to normal for a period of > > > > time > > > > again. > > > > > > > > My official kernel is from Fedora rawhide > > > > (2.6.38-0.rc3.git4.1.fc15.x86_64) > > > > > > > > Anyone else notice poor link/signal levels? > > > > > > > > .37 showed no such issues. > > > > did not see anything special from the log, is any environment or > > condition changed? what AP you are using? > > > > Thanks > > Wey > > I'm using an Linksys WRT54G with tomato firmware for a number of years. The > AP is in my house and very close. I will keep an eye on this. This all > seemed to have started after we had a power outage. The AP is fine however > and I haven't noticed this drop a 2 after. > > If there was any environment changes they appear to have 'settled' down. > > I will be going to 2.6.38-0.rc4.git0.1.fc15 right now and will do another > long hour test by keeping the laptop on for a number of hours on the > weekend. To answer myself, https://bugzilla.kernel.org/show_bug.cgi?id=28832 Looks like this is behavour observed in -rc3 the same period I did the upgrade. I can discount the power outage > > Thanks, > Shawn. On Saturday, February 19, 2011, Shawn Starr wrote:
> On Sunday, February 13, 2011 12:05:21 AM Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a summary report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.37. Please verify if it still should be listed and let the
> > tracking team know (either way).
> >
> >
>
> I've left laptop on for a day, not seeing this anymore. Please close bug
> ticket (but I have another regression coming up in another thread for
> something else :/)
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