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Re: Suspend to disk on iBook G4 (mid 2005)



>  usbdev3.1_ep81: PM: suspend 0->, parent 3-0:1.0 already 1
>  usbdev2.1_ep81: PM: suspend 0->, parent 2-0:1.0 already 1
> Unable to handle kernel paging request for data at address 0x100d115c
> Faulting instruction address: 0xf20ba97c
> Oops: Kernel access of bad area, sig: 11 [#1]
> 
> Modules linked in: fuse lp parport ipv6 snd_powermac snd_pcm_oss
> snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc
> dm_snapshot dm_mirror dm_mod cpufreq_userspace  radeon drm
> therm_adt746x joydev appletouch bcm43xx firmware_class
> ieee80211softmac ieee80211 ieee80211_crypt uninorth_agp agpgart evdev
> tsdev ext3 jbd mbcache usbhid ide_cd cdrom ohci1394 sungem sungem_phy
> ieee1394 ide_disk ehci_hcd ohci_hcd usbcore i2c_powermac
> NIP: F20BA97C LR: C0101518 CTR: F20BA978
> REGS: ef7ebd50 TRAP: 0300   Not tainted  (2.6.18-4-powerpc)
> MSR: 00009032 <EE,ME,IR,DR>  CR: 28002428  XER: 20000000
> DAR: 100D115C, DSISR: 40000000
> TASK = c0fab870[3965] 'echo' THREAD: ef7ea000
> GPR00: F20BA978 EF7EBE00 C0FAB870 C1E08C00 C00F4E2C 00000000 003F106B 003F106B
> GPR08: C0363000 100D0000 C031D00C C1E0914C 00000000 1001BC20 28204422 10030000
> GPR16: 10030000 10017C7D 7F905BE0 00000000 00000000 7F905BD8 10018270 10018240
> GPR24: 00000000 EF7EBF20 00000004 00000004 C024E790 C02F2734 00000000 C1E08C00
> NIP [F20BA97C] usb_hcd_pci_resume+0x4/0x16c [usbcore]
> LR [C0101518] pci_device_resume+0x3c/0x8c
> Call Trace:
> [EF7EBE00] [C00F4D68] kobject_put+0x24/0x34 (unreliable)
> [EF7EBE10] [C01AC204] resume_device+0xa0/0xe4
> [EF7EBE20] [C01AC390] dpm_resume+0x9c/0x11c
> [EF7EBE40] [C01AC44C] device_resume+0x3c/0x70
> [EF7EBE50] [C004BC2C] pm_suspend_disk+0xe8/0x104
> [EF7EBE70] [C004A894] enter_state+0x80/0x1ec
> [EF7EBE90] [C004AA88] state_store+0x88/0xb0
> [EF7EBEB0] [C00BB90C] subsys_attr_store+0x30/0x48
> [EF7EBEC0] [C00BBC94] sysfs_write_file+0x120/0x194
> [EF7EBEF0] [C007A660] vfs_write+0xec/0x1c8
> [EF7EBF10] [C007AD14] sys_write+0x4c/0x8c
> [EF7EBF40] [C0011F08] ret_from_syscall+0x0/0x40
> --- Exception: c01 at 0xff5bb9c
>     LR = 0xfefcb0c
> Instruction dump:
> 9421fff0 7c0802a6 7c641b78 3c60f20d 3863f560 90010014 480027fd 80010014
> 38210010 7c0803a6 4e800020 9421ffe0 <7c0802a6> bfa10014 7c7e1b78 3ba00000

Ouch, that's weird.

> Ouf ! Next time I will have to try another way to get this message
> (better than retyping it....netconsole ?)

We usually also accept a URL to a picture taken with a digital camera :P

Aside from the issue I have with DRI (which really sounds like your
issue) suspend to disk works fine for me.

But there are a few bugs I know about, for example altivec and FPU state
might not be restored correctly due to a misunderstanding in the kernel
code. None of them should trigger this, however.

johannes

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