Messages in this thread | | | Date | Wed, 20 May 2009 06:47:39 +0100 | From | Sitsofe Wheeler <> | Subject | Re: EeePC 900 trackpad often not detected at boot in 2.6.30-rc4 |
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On Tue, May 19, 2009 at 07:47:08PM -0700, Dmitry Torokhov wrote: > > It is just unfortunate scheduling that messes us up:
The really frustrating thing is that for a time this was happening quite consistently leading me to believe it was a kernel issue...
> > [ 4.267050] drivers/input/serio/i8042.c: 00 <- i8042 (interrupt, 1, 12) [113] > > [ 4.270440] drivers/input/serio/i8042.c: d4 -> i8042 (command) [116] > > [ 4.271016] drivers/input/serio/i8042.c: f2 -> i8042 (parameter) [116] > > [ 4.274883] ALSA device list: > > [ 4.274963] #0: HDA Intel at 0xf7eb8000 irq 16 > > [ 4.275258] TCP cubic registered > > [ 4.276597] NET: Registered protocol family 17 > > [ 4.276802] Using IPI Shortcut mode > > [ 4.279191] Magic number: 9:810:70 > > [ 4.279548] rtc_cmos 00:03: setting system clock to 2009-05-18 09:03:27 UTC (1242637407) > > [ 4.281412] drivers/input/serio/i8042.c: fa <- i8042 (interrupt, 1, 12) [127] > > [ 4.283338] drivers/input/serio/i8042.c: 00 <- i8042 (interrupt, 1, 12) [129] > > [ 5.406620] libps2: errorneously fail 754 command > > As you can see the device responded to our command and interrupt fired > at 4.28 but for some reason the thread did not get woken up until 5.40, > second and a half later... Crazy if you ask me.
It's worth noting that this kernel is stuffed full of debugging options as is running on an EeePC 900 with 900Mhz Celeron. I am also using the following boot parameters:
root=/dev/sdb2 cfg80211.ieee80211_regdom=GB usb_storage.delay_use=0 cfg80211 pcie_aspm=force pcie_aspm.policy=powersave fastboot ro rootfstype=ext2
> In the meantime, the patch below should fix work around that delay.
This one could be tough to test unless there is a way of forcing the awkward scheduling...
-- Sitsofe | http://sucs.org/~sits/
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