2.6.5/iBook G3: Oops on resume from sleep

Aaron Lunansky muffin at csclub.uwaterloo.ca
Thu Apr 8 05:17:19 EST 2004


I'm having similar issues with an ibook G3 (600MHz) - only my system
seems to fail to sleep, and this is regardless of modules (I have
sound/airport/ethernet compiled as modules). By fails to sleep, I mean I
get a blank screen and it does not respond to any input. I'm not sure
where it is when it dies though - what's the best way to figure this
out? (how can I make SysRq work on an ibook (which has no SysRq key)).

I get this with every 2.6.* kernel I've tried, including 2.6.5. I
previously had sleep working on my ibook with a 2.6 kernel, but I've
since replaced the (dead) hard drive. I can get my ibook to sleep with
a 2.4.24 kernel.

Thanks,
Aaron

On Mon, Apr 05, 2004 at 11:53:18PM +0200, Kiko Piris wrote:
>
> Hi,
>
> Yesterday I compiled vanilla 2.6.5 (plus laptop-mode patch).
>
> Today I noticed an oops when resuming from sleep.
>
> Here's what I get on the screen console:
>
> ---8<---
> adb: starting probe task...
> adb devices: [2]: 2 c4 [3]: 3 1 [7] 1f
> ADB keyboard at 2, handler 1
> ADB mouse at 3, handler set to 4 (trackpad)
> adb: finished probe task...
> tumbler: i2c is not initialized
> Oops: kernel access of bad area, sig: 11 [#1]
> NIP: DA378C3C LR: DA468E0C SP: D4F13D70 REGS: d4f13cc0 TRAP: 0301    Not tainted
> MSR: 0000b032 EE: 1 PR: 0 FP: 1 ME: 1 IR/DR: 11
> DAR: 00000006, DSISR: 40000000
> TASK = d74920c0[1233] 'pmud' Last syscall: 54
> GPR00: DA468E0C D4F13D70 D74920C0 00000000 00000040 00000000 00000000 00000040
> GPR08: 00000002 FFFFFFFF D74920C0 00000000 2DE985CF
> Call trace:
>  [da468e0c] snapper_set_capture_source+0x28/0x38 [snd_powermac]
>  [da46936c] tumbler_resume+0xa0/0x138 [snd_powermac]
>  [da466318] snd_pmac_resume+0xf4/0xf8 [snd_powermac]
>  [da466364] snd_pmac_sleep_notify+0x48/0x54 [snd_powermac]
>  [c030788c] 0xc030788c
>  [c0307fe0] 0xc0307fe0
>  [c03084c4] 0xc03084c4
>  [c0308d2c] 0xc0308d2c
>  [c0067c04] sys_ioctl+0xdc/0x2f4
>  [c0007600] ret_from_syscall+0x0/0x44
> eth0: Link is up at 100 Mbps, full-duplex.
> eth0: Pause is disabled
> --->8---
>
> And the system is completely hung (I've copied it by hand, so I could
> have made a mistake typing).
>
> I've noticed that if I put the iBook to sleep having unloaded alsa, it
> resumes ok. Having alsa loaded, I can reproduce it 100% of the times.
>
>
> Some info about my system:
>
> * Debian Sid up2date.
>
> * Kernel config, if needed, is uploaded at
> http://www.pirispons.net/bulma/llista/iBook/
>
> $ cat /proc/version
> Linux version 2.6.5 (root at sacarino) (gcc version 3.3.3 (Debian 20040401)) #1 Sun Apr 4 14:23:10 CEST 2004
>
> $ cat /proc/cpuinfo
> processor       : 0
> cpu             : 750FX
> temperature     : 47 C (uncalibrated)
> clock           : 400MHz
> revision        : 2.3 (pvr 7000 0203)
> bogomips        : 793.71
> machine         : PowerBook4,3
> motherboard     : PowerBook4,3 MacRISC2 MacRISC Power Macintosh
> detected as     : 257 (iBook 2 rev. 2)
> pmac flags      : 0000000b
> L2 cache        : 512K unified
> memory          : 384MB
> pmac-generation : NewWorld
>
>
> Please, let me know if I can provide any additional information.
>
> Many thanks in advance
>
> --
> Kiko
>

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