Bug 167834 - [ath] kickpcu; 'handled 0 packets'
Summary: [ath] kickpcu; 'handled 0 packets'
Status: Open
Alias: None
Product: Base System
Classification: Unclassified
Component: wireless (show other bugs)
Version: Unspecified
Hardware: Any Any
: Normal Affects Only Me
Assignee: freebsd-wireless (Nobody)
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-05-13 06:40 UTC by Adrian Chadd
Modified: 2018-05-28 19:48 UTC (History)
0 users

See Also:


Attachments

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Description Adrian Chadd freebsd_committer 2012-05-13 06:40:12 UTC
From phk:


..
ath0: <Atheros 5418> mem 0xf2500000-0xf250ffff irq 16 at device 0.0 on pci2
ath0: AR5418 mac 12.10 RF5133 phy 8.1
ath0: 2GHz radio: 0x0000; 5GHz radio: 0x00c0
..
wlan0: Ethernet address: 00:15:af:13:7c:5e
ath0: ath_start: sc_inreset_cnt > 0; bailing
drm0: <Mobile Intel® GM45 Express Chipset> on vgapci0
info: [drm] MSI enabled 1 message(s)
info: [drm] AGP at 0xd0000000 256MB
info: [drm] Initialized i915 1.6.0 20080730
wlan0: scan_task: OOPS! scan cancelled during driver call!
ath0: ath_start: sc_inreset_cnt > 0; bailing
ath0: ath_start: sc_inreset_cnt > 0; bailing
ath0: ath_start: sc_inreset_cnt > 0; bailing
ath0: ath_start: sc_inreset_cnt > 0; bailing
ath0: ath_start: sc_inreset_cnt > 0; bailing
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ath0: ath_start: sc_inreset_cnt > 0; bailing
ath0: ath_start: sc_inreset_cnt > 0; bailing
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ath0: ath_start: sc_inreset_cnt > 0; bailing
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
wlan0: link state changed to DOWN
wlan0: link state changed to UP
ath0: ath_start: sc_inreset_cnt > 0; bailing
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ath0: ath_start: sc_inreset_cnt > 0; bailing
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ath0: ath_start: sc_inreset_cnt > 0; bailing
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ath0: ath_start: sc_inreset_cnt > 0; bailing
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ath0: ath_rx_proc: kickpcu; handled 94 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 38 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 2 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 3 packets
ath0: ath_rx_proc: kickpcu; handled 3 packets
ath0: ath_rx_proc: kickpcu; handled 2 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
..
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 2 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 3 packets
ath0: ath_rx_proc: kickpcu; handled 3 packets
ath0: ath_rx_proc: kickpcu; handled 2 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 2 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
Memory modified after free 0xfffffe00064f1000(2048) val=2c4208 @ 0xfffffe00064f1000
Memory modified after free 0xfffffe0006523000(2048) val=2c4208 @ 0xfffffe0006523000
Memory modified after free 0xfffffe0088220000(2048) val=80 @ 0xfffffe0088220000
Memory modified after free 0xfffffe0006b25800(2048) val=2c4208 @ 0xfffffe0006b25800
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
ath0: ath_rx_proc: kickpcu; handled 2 packets
Memory modified after free 0xfffffe0006aef800(2048) val=2c4208 @ 0xfffffe0006aef800
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
Memory modified after free 0xfffffe00064f1000(2048) val=80 @ 0xfffffe00064f1000
ath0: ath_rx_proc: kickpcu; handled 0 packets
Memory modified after free 0xfffffe0065f8e000(2048) val=80 @ 0xfffffe0065f8e000
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
Memory modified after free 0xfffffe000653a000(2048) val=80 @ 0xfffffe000653a000
ath0: ath_rx_proc: kickpcu; handled 0 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
Memory modified after free 0xfffffe0065fae000(2048) val=80 @ 0xfffffe0065fae000
Memory modified after free 0xfffffe000655a800(2048) val=80 @ 0xfffffe000655a800
ath0: ath_rx_proc: kickpcu; handled 1 packets
Memory modified after free 0xfffffe000656f800(2048) val=80 @ 0xfffffe000656f800
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
Memory modified after free 0xfffffe0006ae5000(2048) val=80 @ 0xfffffe0006ae5000
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets
Memory modified after free 0xfffffe0006b1d800(2048) val=80 @ 0xfffffe0006b1d800
ath0: ath_rx_proc: kickpcu; handled 1 packets
ath0: ath_rx_proc: kickpcu; handled 0 packets

Fix: 

Not sure yet.

It could be a few things:

* Are we somehow running multiple RX procs? (eg with rx + reset.)
* is the hardware still DMAing stuff (eg from the FIFO) even once the RXEOL is posted? Even after stoppcurecv/stoprecvdma is called?
How-To-Repeat: Not sure yet.
Comment 1 Mark Linimon freebsd_committer freebsd_triage 2012-05-13 07:23:07 UTC
Responsible Changed
From-To: freebsd-bugs->freebsd-wireless

Over to maintainer(s).
Comment 2 Eitan Adler freebsd_committer freebsd_triage 2018-05-28 19:48:08 UTC
batch change:

For bugs that match the following
-  Status Is In progress 
AND
- Untouched since 2018-01-01.
AND
- Affects Base System OR Documentation

DO:

Reset to open status.


Note:
I did a quick pass but if you are getting this email it might be worthwhile to double check to see if this bug ought to be closed.