new aic7xxx oopses with AHA2940

Marc Schiffbauer (marc.schiffbauer@links2linux.de)
Sat, 26 May 2001 18:05:29 +0200


Hi *,

I have problems with the new aic7xxx-Driver. These problems exist
with vanilla (2.4.4, 2.5.5, other d.k.) and -ac

When I built it into the Kernel, it will panic on boot when it tries
to access the adapter.

Built as modules it segfaults when i try to insmod (modprobe) it,
following this Oops in messages:

May 26 17:52:33 homer kernel: PCI: Found IRQ 9 for device 00:0d.0
May 26 17:52:33 homer kernel: PCI: The same IRQ used for device 00:04.2
May 26 17:52:33 homer kernel: PCI: The same IRQ used for device 00:04.3
May 26 17:52:33 homer kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
May 26 17:52:33 homer kernel: printing eip:
May 26 17:52:33 homer kernel: e0a7b3a7
May 26 17:52:33 homer kernel: *pde = 00000000
May 26 17:52:33 homer kernel: Oops: 0000
May 26 17:52:33 homer kernel: CPU: 0
May 26 17:52:33 homer kernel: EIP: 0010:[usbcore:usb_devfs_handle_Re9c5f87f+161255/198895517]
May 26 17:52:33 homer kernel: EFLAGS: 00010096
May 26 17:52:33 homer kernel: eax: 00000041 ebx: 00000000 ecx: dd5d6e00 edx: 00000000
May 26 17:52:33 homer kernel: esi: 00000000 edi: 000000ff ebp: dd5d6e00 esp: dd165cbc
May 26 17:52:33 homer kernel: ds: 0018 es: 0018 ss: 0018
May 26 17:52:33 homer kernel: Process modprobe (pid: 766, stackpage=dd165000)
May 26 17:52:33 homer kernel: Stack: 00000000 00000000 000000ff dd5d6e00 41000357 e0a7b79d dd5d6e00 00000000
May 26 17:52:33 homer kernel: ffffffff 00000041 ffffffff 000000ff 00000000 00000041 00000000 dd5d6e00
May 26 17:52:33 homer kernel: dd5d6e00 00000001 00000001 00000001 00000001 00000001 00000000 00000001
May 26 17:52:33 homer kernel: Call Trace: [usbcore:usb_devfs_handle_Re9c5f87f+162269/198894503] [usbcore:usb_devfs_handle_Re9c5f87f+164966/198891806] [__delay+19/48] [usbcore:usb_devfs_handle_Re9c5f87f+166493/198890279] [usbcore:usb_devfs_handle_Re9c5f87f+117712/198939060] [usbcore:usb_devfs_handle_Re9c5f87f+185577/198871195] [usbcore:usb_devfs_handle_Re9c5f87f+171751/198885021]
May 26 17:52:33 homer kernel: [rpc_new_task+240/368] [usbcore:usb_devfs_handle_Re9c5f87f+113534/198943238] [usbcore:usb_devfs_handle_Re9c5f87f+150165/198906607] [usbcore:usb_devfs_handle_Re9c5f87f+113361/198943411] [usbcore:usb_devfs_handle_Re9c5f87f+113392/198943380] [usbcore:usb_devfs_handle_Re9c5f87f+201920/198854852] [pci_announce_device+28/80] [usbcore:usb_devfs_handle_Re9c5f87f+202048/198854724]
May 26 17:52:33 homer kernel: [usbcore:usb_devfs_handle_Re9c5f87f+202144/198854628] [pci_register_driver+68/96] [usbcore:usb_devfs_handle_Re9c5f87f+202144/198854628] [usbcore:usb_devfs_handle_Re9c5f87f+201920/198854852] [usbcore:usb_devfs_handle_Re9c5f87f+125626/198931146] [usbcore:usb_devfs_handle_Re9c5f87f+113038/198943734] [usbcore:usb_devfs_handle_Re9c5f87f+201920/198854852] [usbcore:usb_devfs_handle_Re9c5f87f+111272/198945500]
May 26 17:52:33 homer kernel: [scsi_register_host+73/720] [usbcore:usb_devfs_handle_Re9c5f87f+201920/198854852] [usbcore:usb_devfs_handle_Re9c5f87f+201920/198854852] [usbcore:usb_devfs_handle_Re9c5f87f+111272/198945500] [usbcore:usb_devfs_handle_Re9c5f87f+111168/198945604] [usbcore:usb_devfs_handle_Re9c5f87f+111272/198945500] [scsi_register_module+45/96] [usbcore:usb_devfs_handle_Re9c5f87f+201920/198854852]
May 26 17:52:33 homer kernel: [usbcore:usb_devfs_handle_Re9c5f87f+111168/198945604] [usbcore:usb_devfs_handle_Re9c5f87f+125206/198931566] [usbcore:usb_devfs_handle_Re9c5f87f+201920/198854852] [sys_init_module+1277/1440] [eepro100:__insmod_eepro100_O/lib/modules/2.4.5/kernel/drivers/net/ee+0/96] [usbcore:usb_devfs_handle_Re9c5f87f+111264/198945508] [system_call+51/56]
May 26 17:52:33 homer kernel:
May 26 17:52:33 homer kernel: Code: 8b 02 8b 7c 24 20 8b 6c 24 28 0f b6 40 19 f6 81 f0 00 00 00

Does it crash with the USB-Driver?? But USB works fine... even after
the Oops

BTW: The old aic7xxx-Driver works fine for me

Devices connected to the adapter:
- teac CDR
- old plextor cdrom
- ibm 4G HD

System is an AMD Thunderbird 800, 512MB, ASUS A7V

Do you need any further information?

Cheers
-Marc

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