Messages in this thread Patch in this message | | | Date | Fri, 1 Aug 2003 14:44:55 -0700 | From | Andrew Morton <> | Subject | Re: Badness in device_release at drivers/base/core.c:84 |
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Diffie <diffie@blazebox.homeip.net> wrote: > > Unable to handle kernel NULL pointer dereference at virtual address 00000120 > printing eip: > c02a8cae > *pde = 00000000 > Oops: 0000 [#1] > PREEMPT > CPU: 0 > EIP: 0060:[<c02a8cae>] Not tainted VLI > EFLAGS: 00210286 > EIP is at aic7xxx_proc_info+0x2e/0xc80 > eax: c1bb25b0 ebx: c1bb2400 ecx: c038bb20 edx: 00000000 > esi: 00000400 edi: f1715000 ebp: 412de000 esp: f620fecc > ds: 007b es: 007b ss: 0068 > Process nautilus (pid: 3555, threadinfo=f620e000 task=f6216720) > Stack: 000001f7 00000000 00000000 c013c612 c0379eb0 00000000 00000000 f6613340 > 00000000 00000000 c0379eb0 00000400 00000400 f1715000 412de000 c02956fc > c1bb2400 f1715000 f620ff60 00000000 00000400 00000000 c02956c0 c018bc91 > Call Trace: > [<c013c612>] __alloc_pages+0x92/0x320 > [<c02956fc>] proc_scsi_read+0x3c/0x60 > [<c02956c0>] proc_scsi_read+0x0/0x60
This patch should fix the oops.
As for why the proc reading code was unable to locate the HBA: dunno, but this is a first step.
Or maybe you don't have any adaptec controllers in the machine?
(jejb, please apply..)
25-akpm/drivers/scsi/aic7xxx_old/aic7xxx_proc.c | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/scsi/aic7xxx_old/aic7xxx_proc.c~aic7xxx_old-oops-fix drivers/scsi/aic7xxx_old/aic7xxx_proc.c --- 25/drivers/scsi/aic7xxx_old/aic7xxx_proc.c~aic7xxx_old-oops-fix Fri Aug 1 14:41:14 2003 +++ 25-akpm/drivers/scsi/aic7xxx_old/aic7xxx_proc.c Fri Aug 1 14:41:20 2003 @@ -92,7 +92,7 @@ aic7xxx_proc_info ( struct Scsi_Host *HB HBAptr = NULL; - for(p=first_aic7xxx; p->host != HBAptr; p=p->next) + for(p=first_aic7xxx; p && p->host != HBAptr; p=p->next) ; if (!p) _
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