[Bug 39518] kernel oops in usbserial on ppc with appletouch loaded (palm hotsync attempt)

Jason 'vanRijn' Kasper vR at movingparts.net
Fri Apr 14 01:39:59 UTC 2006


Public bug reported:

Affects: linux-source-2.6.15 linux-image-2.6.15-20-powerpc (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed


Description:
It does not happen the first time I hotSync my Treo 650,  but somewhere
in subsequent pilot hotsync attempts, I am getting a kernel oops with
the below kernel trace.  This operation is not normally prone to error
like this, so I suspect either the appletouch driver or some oddity
regarding running on a PPC machine.  Also, I believe that something
might be going wrong in the suspend/resume cycle that is putting the
kernel into a funky state, since I am able to hotSync reliably after a
clean boot.

[ 6058.278540] Unable to handle kernel paging request for data at address 0x00000084
[ 6058.278561] Faulting instruction address: 0xf27578bc
[ 6058.278573] Oops: Kernel access of bad area, sig: 11 [#3]
[ 6058.278578] Modules linked in: appletouch visor usbserial radeon drm hci_usb rfcomm l2cap bluetooth cpufreq_powersave cpufreq_stats cpufreq_userspace cp
ufreq_ondemand cpufreq_conservative ipv6 af_packet arc4 ieee80211_crypt_wep ext3 jbd dm_mod md_mod sr_mod snd_powermac snd_pcm_oss snd_mixer_oss snd_pcm sn
d_timer snd soundcore snd_page_alloc sbp2 scsi_mod apm_emu joydev ohci1394 pcmcia ieee1394 bcm43xx ieee80211softmac ieee80211 ieee80211_crypt sungem sungem
_phy usbhid yenta_socket rsrc_nonstatic pcmcia_core uninorth_agp agpgart tsdev evdev reiserfs ehci_hcd ohci_hcd usbcore ide_disk ide_cd cdrom i2c_keywest c
apability commoncap
[ 6058.278652] NIP: F27578BC LR: C01768E0 CTR: F2757870
[ 6058.278660] REGS: e74a1d20 TRAP: 0300   Not tainted  (2.6.15-20-powerpc)
[ 6058.278666] MSR: 00009032 <EE,ME,IR,DR>  CR: 80004442  XER: 00000000
[ 6058.278680] DAR: 00000084, DSISR: 40000000
[ 6058.278686] TASK = e983b350[8163] 'pilot-xfer' THREAD: e74a0000
[ 6058.278692] GPR00: 00000000 E74A1DD0 E983B350 F275C0D8 F275C018 F275BC70 7FCC2760 402C7413
[ 6058.278707] GPR08: 402C7413 EB1B0600 FFFFFFE7 EB1B0600 20004448 1001E29C 00000000 00000000
[ 6058.278723] GPR16: 00000000 00000000 10010000 10010000 20000000 00000004 7FCC36C4 7FCC386B
[ 6058.278737] GPR24: 00000000 1001660C EBA6C000 F2760000 7FCC2760 E9931F00 402C7413 00000000
[ 6058.278753] NIP [F27578BC] serial_ioctl+0x4c/0x110 [usbserial]
[ 6058.278778] LR [C01768E0] tty_ioctl+0x3c0/0xf50
[ 6058.278797] Call Trace:
[ 6058.278802] [E74A1DD0] [E9BD9B20] 0xe9bd9b20 (unreliable)
[ 6058.278813] [E74A1DF0] [C01768E0] tty_ioctl+0x3c0/0xf50
[ 6058.278824] [E74A1ED0] [C0097D14] do_ioctl+0x84/0x90
[ 6058.278834] [E74A1EE0] [C0097DAC] vfs_ioctl+0x8c/0x4b0
[ 6058.278844] [E74A1F10] [C0098264] sys_ioctl+0x94/0xb0
[ 6058.278853] [E74A1F40] [C00115DC] ret_from_syscall+0x0/0x4c
[ 6058.278865] --- Exception: c01 at 0xfe5459c
[ 6058.278875]     LR = 0xfed8518
[ 6058.278880] Instruction dump:
[ 6058.278916] 3ca0f276 3c80f276 7fc7f378 38a5bc70 7cdc3378 3884c018 801bfb84 83e3096c
[ 6058.278931] 3c60f276 3863c0d8 2f800000 409e00a8 <801f0084> 3940ffed 2f800000 409e0048
[ 6058.278947]
-- 
kernel oops in usbserial on ppc with appletouch loaded (palm hotsync attempt)
https://launchpad.net/malone/bugs/39518




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