On Tue, Dec 22, 2009 at 08:20:55AM -0800, Luis Rodriguez wrote: > On Tue, Dec 22, 2009 at 07:50:05AM -0800, Luis Rodriguez wrote: > > On Mon, Dec 21, 2009 at 08:39:17PM -0800, Sujith Manoharan wrote: > > > Luis Rodriguez wrote: > > > > That log can be found here: > > > > > > > > http://bombadil.infradead.org/~mcgrof/logs/2.6.31-with-2.6.32-wireless/irq-disabled.txt > > > > > > Thanks for the log. > > > It's a bug in ath9k, related to PowerSave. > > > > > > Can you test this patch ? > > > > > > diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c > > > index 3f5b887..419c382 100644 > > > --- a/drivers/net/wireless/ath/ath9k/main.c > > > +++ b/drivers/net/wireless/ath/ath9k/main.c > > > @@ -2504,6 +2504,9 @@ static void ath9k_stop(struct ieee80211_hw *hw) > > > return; /* another wiphy still in use */ > > > } > > > > > > + /* Ensure HW is awake when we try to shut it down. */ > > > + ath9k_ps_wakeup(sc); > > > + > > > if (ah->btcoex_hw.enabled) { > > > ath9k_hw_btcoex_disable(ah); > > > if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) > > > @@ -2524,8 +2527,10 @@ static void ath9k_stop(struct ieee80211_hw *hw) > > > /* disable HAL and put h/w to sleep */ > > > ath9k_hw_disable(ah); > > > ath9k_hw_configpcipowersave(ah, 1, 1); > > > - ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP); > > > + ath9k_ps_restore(sc); > > > > > > + /* Finally, put the chip in FULL SLEEP mode */ > > > + ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP); > > > sc->sc_flags |= SC_OP_INVALID; > > > > > > mutex_unlock(&sc->mutex); > > > > > > Thanks for the patch, doesn't cure it though. Below is the log > > with debug=0xa00 (CONFIG | PS), you can see some successes prior to > > the failure. > > Here's the new log with 0x601, with a few pm-suspend successes above. Let me massage this a little: Here is one success: > [ 249.543348] ath9k: NETWORK SLEEP -> AWAKE > [ 249.549393] ath9k: AWAKE -> NETWORK SLEEP > [ 249.577650] PM: Syncing filesystems ... > [ 249.645775] ath9k: NETWORK SLEEP -> AWAKE > [ 249.651822] ath9k: AWAKE -> NETWORK SLEEP > [ 249.677281] done. > [ 249.677291] PM: Preparing system for mem sleep > [ 249.748159] ath9k: NETWORK SLEEP -> AWAKE > [ 249.754256] ath9k: AWAKE -> NETWORK SLEEP > [ 249.765132] ath9k: NETWORK SLEEP -> AWAKE Device is awake prior to sending Tx BA. > [ 249.824923] Freezing user space processes ... (elapsed 0.00 seconds) done. > [ 249.826762] Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. > [ 249.826830] PM: Entering mem sleep > [ 249.826853] Suspending console(s) (use no_console_suspend to debug) > [ 249.832057] Tx BA session stop requested for 00:22:6b:56:fd:e8 tid 0 > [ 249.832077] Stopping Tx BA session for 00:22:6b:56:fd:e8 tid 0 > [ 249.832110] Rx BA session stop requested for 00:22:6b:56:fd:e8 tid 0 > [ 249.832130] Tx BA session stop requested for 00:22:6b:56:fd:e8 tid 6 > [ 249.832141] Stopping Tx BA session for 00:22:6b:56:fd:e8 tid 6 > [ 249.832166] ath9k: Detach Interface > [ 249.834435] ath9k: AWAKE -> FULL-SLEEP > [ 249.834446] ath9k: Driver halt > [ 249.858079] sd 0:0:0:0: [sda] Synchronizing SCSI cache > [ 249.858457] sd 0:0:0:0: [sda] Stopping disk > [ 250.781437] ath9k 0000:01:00.0: PCI INT A disabled > [ 251.087088] Back to C! > [ 252.038696] ath9k 0000:01:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 > [ 254.521068] ath9k: Starting driver with initial channel: 2437 MHz > [ 254.522086] ath9k: FULL-SLEEP -> AWAKE > [ 254.533094] ath9k: ah->misc_mode 0x4 > [ 254.535214] ath9k: Attach a VIF of type: 2 > [ 254.535248] ath9k: Set channel: 2437 MHz > [ 254.535252] ath9k: tx chmask: 1, rx chmask: 1 > [ 254.535373] ath9k: (2437 MHz) -> (2437 MHz), chanwidth: 1 > [ 254.541929] ath9k: ah->misc_mode 0x4 > [ 254.544052] ath9k: Set HW RX filter: 0x607 > [ 254.544058] ath9k: RX filter 0x0 bssid 00:22:6b:56:fd:e8 aid 0x0 > [ 254.544065] ath9k: BSS Changed PREAMBLE 1 > [ 254.544068] ath9k: BSS Changed CTS PROT 0 > [ 254.544072] ath9k: BSS Changed ASSOC 1 > [ 254.544076] ath9k: Bss Info ASSOC 1, bssid: 00:22:6b:56:fd:e8 > [ 254.546454] PM: Finishing wakeup. > [ 254.546458] Restarting tasks ... done. > [ 254.589051] Open BA session requested for 00:22:6b:56:fd:e8 tid 0 > [ 254.589095] activated addBA response timer on tid 0 > [ 254.615144] Rx A-MPDU request on tid 0 result 0 > [ 254.717357] switched off addBA timer for tid 0 > [ 254.717366] Aggregation is on for tid 0 > [ 254.718297] switched off addBA timer for tid 0 Then this is the failure suspend: > [ 270.574054] ath9k: NETWORK SLEEP -> AWAKE > [ 270.582421] ath9k: AWAKE -> NETWORK SLEEP > [ 270.676431] ath9k: NETWORK SLEEP -> AWAKE > [ 270.682643] ath9k: AWAKE -> NETWORK SLEEP > [ 270.778860] ath9k: NETWORK SLEEP -> AWAKE > [ 270.989686] ath9k: AWAKE -> NETWORK SLEEP > [ 271.049041] ath9k: NETWORK SLEEP -> AWAKE > [ 271.304833] PM: Syncing filesystems ... done. > [ 271.307636] PM: Preparing system for mem sleep > [ 271.399307] ath9k: AWAKE -> NETWORK SLEEP Below the device seems to go to sleep prior to sending the Tx BA, but I could have sworn this happens in another successfull suspend before. > [ 271.448580] Freezing user space processes ... (elapsed 0.00 seconds) done. > [ 271.450215] Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. > [ 271.450296] PM: Entering mem sleep > [ 271.450321] Suspending console(s) (use no_console_suspend to debug) > [ 271.456054] Tx BA session stop requested for 00:22:6b:56:fd:e8 tid 0 > [ 271.456073] Stopping Tx BA session for 00:22:6b:56:fd:e8 tid 0 > [ 271.456112] Rx BA session stop requested for 00:22:6b:56:fd:e8 tid 0 > [ 271.456141] ath9k: Detach Interface > [ 271.456161] ath9k: NETWORK SLEEP -> AWAKE > [ 271.458525] ath9k: AWAKE -> NETWORK SLEEP > [ 271.458533] ath9k: NETWORK SLEEP -> FULL-SLEEP > [ 271.458544] ath9k: > [ 271.458547] ath9k: Driver halt > [ 271.458552] FULL-SLEEP -> AWAKE And we leave it awake prior to suspend, hrm. > [ 271.485081] sd 0:0:0:0: [sda] Synchronizing SCSI cache > [ 271.485444] sd 0:0:0:0: [sda] Stopping disk > [ 272.348209] ath9k 0000:01:00.0: PCI INT A disabled > [ 272.552139] Back to C! > [ 273.522696] ath9k 0000:01:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 > [ 275.742070] ath9k: Starting driver with initial channel: 2437 MHz > [ 275.891791] ath9k: timeout (100000 us) on reg 0x7000: 0xdeadbeef & 0x00000003 != 0x00000000 > [ 275.891799] ath9k: RTC stuck in MAC reset AT this point hardware is already completely unresonsive. > [ 275.891803] ath9k: Chip reset failed > [ 275.891807] ath9k: Unable to reset hardware; reset status -22 (freq 2437 MHz) > [ 275.891827] ath9k: Attach a VIF of type: 2 > [ 275.891867] ath9k: Set channel: 2437 MHz > [ 275.891873] ath9k: tx chmask: 1, rx chmask: 1 > [ 275.891880] ath9k: Unable to set channel > [ 275.891894] ath9k: Set HW RX filter: 0x2707 > [ 275.891901] ath9k: RX filter 0x0 bssid 00:22:6b:56:fd:e8 aid 0x0 > [ 275.891910] ath9k: BSS Changed PREAMBLE 1 > [ 275.891915] ath9k: BSS Changed CTS PROT 0 > [ 275.891919] ath9k: BSS Changed ASSOC 1 > [ 275.891924] ath9k: Bss Info ASSOC 1, bssid: 00:22:6b:56:fd:e8 > [ 275.894481] PM: Finishing wakeup. > [ 275.894486] Restarting tasks ... done. > [ 276.835592] irq 18: nobody cared (try booting with the "irqpoll" option) > [ 276.835609] Pid: 1710, comm: Xorg Not tainted 2.6.31.4-intel-menlow #14 > [ 276.835616] Call Trace: > [ 276.835636] [<c105ca3e>] __report_bad_irq+0x2e/0x6f > [ 276.835646] [<c105cb74>] note_interrupt+0xf5/0x14d > [ 276.835656] [<c105d0a4>] handle_fasteoi_irq+0x7d/0x9b > [ 276.835668] [<c10048c1>] handle_irq+0x3b/0x46 > [ 276.835677] [<c1004103>] do_IRQ+0x41/0x95 > [ 276.835687] [<c1003189>] common_interrupt+0x29/0x30 > [ 276.835693] handlers: > [ 276.835698] [<f89a3d03>] (ath_isr+0x0/0x12f [ath9k]) > [ 276.835739] Disabling IRQ #18 Luis -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
