Just got the following... Doesn't happen all the time though. My kernel's at revision 7d59453a9dbe50dc9bab846c410e39f8d5b10c83 which is from wireless-dev, but there are only the commits ed45666271f4fafa95b9d8ad44050e9a9bd2376e and af03b8e4e81c3789e597632268940edd11ffe870 to drivers/md since then. The partition in question is a LUKS partition and I was using cryptsetup but I'm not sure I entered the right key, might very well (likely actually) have been the wrong key. Jun 26 12:55:15 johannes kernel: [ 6183.450288] Unable to handle kernel paging request for data at address 0x00000004 Jun 26 12:55:15 johannes kernel: [ 6183.450397] Faulting instruction address: 0xc006a524 Jun 26 12:55:15 johannes kernel: [ 6183.450438] Oops: Kernel access of bad area, sig: 11 [#1] Jun 26 12:55:15 johannes kernel: [ 6183.450443] PREEMPT PowerMac Jun 26 12:55:15 johannes kernel: [ 6183.450448] Modules linked in: sd_mod usb_storage scsi_mod af_packet radeon drm binfmt_misc hci_usb rfcomm l2cap bluetooth snd_powermac configfs nls_utf8 hfsplus nls_base fuse dm_snapshot dm_mirror sha256 snd_aoa_codec_tas snd_aoa_fabric_layout joy dev snd_aoa appletouch usbhid firewire_ohci firewire_core crc_itu_t bcm43xx ieee80211softmac ieee80211 ieee80211_crypt arc4 rc80211_simple snd _aoa_i2sbus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd soundcore ohci1394 ieee1394 snd_aoa_soundbus bcm43xx_mac80211 ehci_ hcd ssb pcmcia firmware_class mac80211 cfg80211 yenta_socket rsrc_nonstatic ohci_hcd usbcore uninorth_agp pcmcia_core agpgart evdev unix Jun 26 12:55:15 johannes kernel: [ 6183.450542] NIP: c006a524 LR: c02412b0 CTR: c0239010 Jun 26 12:55:15 johannes kernel: [ 6183.450549] REGS: cfd09e10 TRAP: 0300 Not tainted (2.6.22-rc4-g7d59453a-dirty) Jun 26 12:55:15 johannes kernel: [ 6183.450555] MSR: 00009032 <EE,ME,IR,DR> CR: 24002082 XER: 20000000 Jun 26 12:55:15 johannes kernel: [ 6183.450569] DAR: 00000004, DSISR: 40000000 Jun 26 12:55:15 johannes kernel: [ 6183.450575] TASK = cfd4b990[209] 'kcryptd/0' THREAD: cfd08000 Jun 26 12:55:15 johannes kernel: [ 6183.450580] GPR00: c02412b0 cfd09ec0 cfd4b990 ec4d9b40 00000000 00000001 00000000 00000000 Jun 26 12:55:15 johannes kernel: [ 6183.450594] GPR08: 2d050d00 00000000 10000000 cfd08000 00000000 00000000 01744880 0175b730 Jun 26 12:55:15 johannes kernel: [ 6183.450609] GPR16: 00240e68 00240e1c 00240e20 0174499c 01745768 017454e0 01745454 c0349480 Jun 26 12:55:15 johannes kernel: [ 6183.450624] GPR24: c0349448 ec4d9b40 cfd4bb28 cfd4b990 ec4d9b40 cfd09ef8 00000000 ec4d9b40 Jun 26 12:55:15 johannes kernel: [ 6183.450641] NIP [c006a524] mempool_free+0x18/0xf4 Jun 26 12:55:15 johannes kernel: [ 6183.450657] LR [c02412b0] dec_pending+0x5c/0x78 Jun 26 12:55:15 johannes kernel: [ 6183.450669] Call Trace: Jun 26 12:55:15 johannes kernel: [ 6183.450674] [cfd09ec0] [cfd09ef8] 0xcfd09ef8 (unreliable) Jun 26 12:55:15 johannes kernel: [ 6183.450688] [cfd09ee0] [c02412b0] dec_pending+0x5c/0x78 Jun 26 12:55:15 johannes kernel: [ 6183.450698] [cfd09ef0] [c024187c] kcryptd_do_work+0x2c8/0x39c Jun 26 12:55:15 johannes kernel: [ 6183.450708] [cfd09f60] [c0040444] run_workqueue+0xf4/0x1c8 Jun 26 12:55:15 johannes kernel: [ 6183.450722] [cfd09f90] [c0040b14] worker_thread+0x9c/0x120 Jun 26 12:55:15 johannes kernel: [ 6183.450732] [cfd09fd0] [c0044f78] kthread+0x48/0x84 Jun 26 12:55:15 johannes kernel: [ 6183.450744] [cfd09ff0] [c00125f4] kernel_thread+0x44/0x60 Jun 26 12:55:15 johannes kernel: [ 6183.450759] Instruction dump: Jun 26 12:55:15 johannes kernel: [ 6183.450765] 7fe3fb78 3bc00000 48022959 4bffffbc 38e0ffff 4bfffedc 9421ffe0 7c0802a6 Jun 26 12:55:15 johannes kernel: [ 6183.450780] bf810010 7c7c1b78 7c9e2378 90010024 <80040004> 81240000 7f804800 409c00a0
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