On Mon, Jun 10, 2013 at 08:31:33PM +0100, Pedro Francisco wrote: > On Sun, Jun 9, 2013 at 1:28 AM, Pedro Francisco > <pedrogfrancisco@xxxxxxxxx> wrote: > > On Mon, Jun 3, 2013 at 3:18 PM, Stanislaw Gruszka <sgruszka@xxxxxxxxxx> wrote: > >> On Mon, Jun 03, 2013 at 10:52:39AM +0200, Tino Keitel wrote: > >>> (...) > >>> It would be really nice to have proper power management in a current > >>> kernel, as the laptop gets noticeably hotter with the current iwlegacy > >>> driver. That's why I still use a 3.1.10 kernel with an old > >>> forward-ported iwlagn driver. > >> > >> Could you try this experimental patch? (...) > > > > I am trying the iwlegacy powersave patch along with CPU scheduler BFS > > and IO scheduler BFQ. > > > > I've got this today: (...) > > > > $ uname -a > > Linux s2 3.9.4-301.local.fc19.i686 > > > > I have just made a clean boot (as in, this has not happened after a > > resume for suspend or hibernation). > > > > May it be related to the patch? Or may heavy IO with out-of-tree CPU > > scheduler BFS and out-of-tree IO scheduler BFQ be responsible for the > > warnings? > > I also got a SYSASSERT: > [Jun 9 10:35] iwl3945 0000:02:00.0: Read idx for DMA queue txq_id (2) > idx 186 is out of range [0-256] 186 186 > (...) > [ +0,000164] iwl3945 0000:02:00.0: Read idx for DMA queue txq_id (2) > idx 185 is out of range [0-256] 186 186 > [Jun 9 10:36] iwl3945 0000:02:00.0: Microcode SW error detected. > Restarting 0x82000008. > [ +0,000008] iwl3945 0000:02:00.0: Loaded firmware version: 15.32.2.9 > [ +0,000034] iwl3945 0000:02:00.0: Start IWL Error Log Dump: > [ +0,000004] iwl3945 0000:02:00.0: Status: 0x000302E4, count: 1 > [ +0,000004] iwl3945 0000:02:00.0: Desc Time asrtPC > blink2 ilink1 nmiPC Line > [ +0,000224] iwl3945 0000:02:00.0: SYSASSERT (0x5) 0228106348 > 0x008B6 0x0035E 0x0031C 0x00000 267 > > [ +0,000010] iwl3945 0000:02:00.0: Error Reply type 0x00000001 cmd > UNKNOWN (0xFC) seq 0x2099 ser 0x00FC0000 > [ +0,000466] iwl3945 0000:02:00.0: Can't stop Rx DMA. > [ +0,001647] ieee80211 phy0: Hardware restart was requested > [Jun 9 10:38] iwl3945 0000:02:00.0: Read idx for DMA queue txq_id (2) > idx 186 is out of range [0-256] 186 186 > (...) > > I disabled powersave (but kept running the same kernel) and none of > the errors appeared again. Yes, this seems to be iwlegacy PS issue and has to be fixed before this patch could be applied. Thanks for testing. Stanislaw -- 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
