Problems using the libertas

[Dan Williams]

On Wed, 2013-03-27 at 03:18 +0000, Kalkere, Giridhara(IE10) wrote:
> Dan, 
> 
> Thanks for the reply.
> 
> We are using the firmware 9.124.3p37.
> 
> Please let us know what is the latest firmware version available for the SD8686 on SDIO interface and also where can I look for the latest firmware?
> 
> If any patches available for the libertas driver please let us know.

Well, the 2.6.31 kernel is almost 4 years old already, so yeah, there
have been a lot of fixes to the driver since then.  If you're at all
able to use a 3.x kernel, preferably 3.5 or 3.6, that would be great.
You could try backporting the driver from the latest kernels to 2.6.31.

Dan

> Thanks and Regards,
> Giri
> 
> 
> -----Original Message-----
> From: Dan Williams [mailto:dcbw at redhat.com] 
> Sent: Wednesday, March 27, 2013 2:05 AM
> To: Kalkere, Giridhara(IE10)
> Cc: libertas-dev at lists.infradead.org
> Subject: Re: Problems using the libertas
> 
> On Wed, 2013-03-20 at 12:01 +0000, Kalkere, Giridhara(IE10) wrote:
> > Dear All,
> > 
> > We are using the SD8686 wifi chipset and linux-2.6.31 linux kernel from Freescale on IMX35 board.
> > 
> > We found some kernel errors during the wifi usage.  Please find the below kernel log.
> 
> Typically this is a firmware crash.  What firmware version is the 8686 using?
> 
> Dan
> 
> > Any thoughts about it.
> > 
> > -----------[ cut here ]------------
> > WARNING: at net/sched/sch_generic.c:246 dev_watchdog+0x188/0x28c() 
> > NETDEV WATCHDOG: eth1 (libertas_sdio): transmit queue 0 timed out 
> > Modules linked in: libertas_sdio libertas [<c00883cc>] 
> > (unwind_backtrace+0x0/0xd4) from [<c00a4c48>] (warn_slowpath_common
> > +0x4c/0x68)
> > [<c00a4c48>] (warn_slowpath_common+0x4c/0x68) from [<c00a4ca0>] 
> > (warn_slowpath_f
> > mt+0x28/0x38)
> > [<c00a4ca0>] (warn_slowpath_fmt+0x28/0x38) from [<c027da28>] 
> > (dev_watchdog+0x188
> > /0x28c)
> > [<c027da28>] (dev_watchdog+0x188/0x28c) from [<c00ae934>] 
> > (run_timer_softirq+0x1
> > 54/0x1f4)
> > [<c00ae934>] (run_timer_softirq+0x154/0x1f4) from [<c00a9cfc>] 
> > (__do_softirq+0xd
> > 8/0x1c8)
> > [<c00a9cfc>] (__do_softirq+0xd8/0x1c8) from [<c00aa068>] 
> > (irq_exit+0x44/0x98) [<c00aa068>] (irq_exit+0x44/0x98) from 
> > [<c0083070>] (_text+0x70/0x8c) [<c0083070>] (_text+0x70/0x8c) from 
> > [<c00839c8>] (__irq_svc+0x48/0x88) Exception stack(0xc03d3f80 to 
> > 0xc03d3fc8)
> > 3f80: 00000001 00000000 fc280000 603f4208 c03d2000 c03f61c4 c001fc98 
> > c03d6000
> > 3fa0: 8001e42c 4117b363 8001e3f8 00000000 c03d3f10 c03d3fc8 c0084d20 
> > c0084d24
> > 3fc0: 80000013 ffffffff
> > [<c00839c8>] (__irq_svc+0x48/0x88) from [<c0084d24>] 
> > (default_idle+0x24/0x2c) [<c0084d24>] (default_idle+0x24/0x2c) from 
> > [<c0084c14>] (cpu_idle+0x44/0x94) [<c0084c14>] (cpu_idle+0x44/0x94) 
> > from [<c000897c>] (start_kernel+0x210/0x26c) [<c000897c>] 
> > (start_kernel+0x210/0x26c) from [<80008034>] (0x80008034) ---[ end 
> > trace c66d4c0aad1035ef ]---
> > libertas: tx watch dog timeout
> > libertas: tx watch dog timeout
> > CheckHaTCTrigger evtsrc=1
> > libertas: tx watch dog timeout
> > libertas: command 0x000b timed out
> > libertas: tx watch dog timeout
> > 
> > 
> > 
> > Thanks  and regards,
> > Giri
> > _______________________________________________
> > libertas-dev mailing list
> > libertas-dev at lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/libertas-dev
> 
>