Messages in this thread Patch in this message | | | Date | Wed, 27 Aug 2003 12:41:20 -0700 | From | Andrew Morton <> | Subject | Re: Some errors with 2.6.0-test4-mm2 |
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Okrain Genady <mafteah@mafteah.co.il> wrote: > > This error started with -mm2: > > # lilo > <1>Unable to handle kernel NULL pointer dereference at virtual address > 00000000 > printing eip: > c029f9b2 > *pde = 00000000 > Oops: 0000 [#4] > PREEMPT > CPU: 0 > EIP: 0060:[<c029f9b2>] Tainted: PF VLI > EFLAGS: 00010246 > EIP is at generic_ide_ioctl+0x352/0x8b0 > eax: 00000000 ebx: bfffec70 ecx: 0000e7a2 edx: 00000000 > esi: bfffec68 edi: c87ca000 ebp: c87cbf68 esp: c87cbf2c > ds: 007b es: 007b ss: 0068 > Process lilo (pid: 5503, threadinfo=c87ca000 task=c8eac080) > Stack: c03c76db 0000064e c7853200 fffffff2 00000000 00000000 e7a20003 c04ccb8c > cfa7e000 c87cbf9c c0153b66 cf5ae6c0 cfd33e40 c02a3a60 cf619680 c87cbf90 > c0268235 cfd33e40 00000301 bfffec68 bfffec68 00000001 00000301 c7853200 > Call Trace: > [<c0153b66>] filp_open+0x66/0x70 > [<c02a3a60>] idedisk_ioctl+0x0/0x30
Al has sent through a fix for this.
diff -puN include/linux/genhd.h~large-dev_t-12-fix include/linux/genhd.h --- 25/include/linux/genhd.h~large-dev_t-12-fix 2003-08-27 10:36:32.000000000 -0700 +++ 25-akpm/include/linux/genhd.h 2003-08-27 10:36:32.000000000 -0700 @@ -197,7 +197,7 @@ extern void rand_initialize_disk(struct static inline sector_t get_start_sect(struct block_device *bdev) { - return bdev->bd_part->start_sect; + return bdev->bd_contains == bdev ? 0 : bdev->bd_part->start_sect; } static inline sector_t get_capacity(struct gendisk *disk) { _
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