Messages in this thread | | | Date | Tue, 30 May 2006 08:32:18 +0100 (BST) | From | Michael McConnell <> | Subject | Kernel 2.6.16.18: PPA driver oopses with large memory model |
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Hi there,
Tried to email the maintainer <campbell@torque.net> as listed in the top of drivers/scsi/ppa.c - but it bounced. There's no entry in MAINTAINERS for this driver either.
Anyhow. Since upgrading the RAM in my machine to require CONFIG_HIMEM4G (using CONFIG_VMSPLIT_3G) the PPA driver oopses with the following oops when trying to write a file to the disc. The disc is in ext2 format.
If there's any more info you folks need from my system, please shout. Additionally, please copy me in on replies since I'm not on the mailing list.
Thanks,
-- Michael
Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: f88e477a *pde = 00000000 Oops: 0002 [#1] Modules linked in: ppa CPU: 0 EIP: 0060:[<f88e477a>] Not tainted VLI EFLAGS: 00010216 (2.6.16.18 #1) EIP is at ppa_in+0x13a/0x1b0 [ppa] eax: 00000200 ebx: 00000378 ecx: 00000100 edx: 0000037c esi: f672fb40 edi: 00000000 ebp: 00000378 esp: c1d23e8c ds: 007b es: 007b ss: 0068 Process events/0 (pid: 3, threadinfo=c1d22000 task=c1cff030) Stack: <0>f672fb40 c1cdfc00 c0151f4b 00000200 f645cb60 00000379 f672fb40 f88e4b99 f672fb40 00000000 00000200 00000378 00000001 ffff57fb c1bcda60 f672fb40 f645cb60 f672fb40 00000378 f88e4dd5 f645cb60 c1d23ef4 f69a18c0 c1cff030 Call Trace: [<c0151f4b>] slab_destroy+0x3b/0xa0 [<f88e4b99>] ppa_completion+0x129/0x220 [ppa] [<f88e4dd5>] ppa_engine+0x85/0x430 [ppa] [<c0379540>] schedule+0x310/0x600 [<f88e4cb2>] ppa_interrupt+0x22/0xc0 [ppa] [<c0129282>] run_workqueue+0x62/0xd0 [<f88e4c90>] ppa_interrupt+0x0/0xc0 [ppa] [<c0129448>] worker_thread+0x158/0x180 [<c0116790>] default_wake_function+0x0/0x20 [<c0116790>] default_wake_function+0x0/0x20 [<c01292f0>] worker_thread+0x0/0x180 [<c012c886>] kthread+0xb6/0xf0 [<c012c7d0>] kthread+0x0/0xf0 [<c0100fd5>] kernel_thread_helper+0x5/0x10 Code: eb 12 46 c7 04 24 e3 53 00 00 e8 22 07 92 c7 83 fe 63 7f 73 89 da ec a8 01 74 e7 89 f8 e9 55 ff ff ff 8b 4c 24 28 8d 55 04 d1 f9 <f3> 66 6d eb 91 0f b7 cb b8 25 00 00 00 8d 59 02 89 da ee 8b 44
-- Michael "Soruk" McConnell Eridani Star System
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