Messages in this thread | | | Date | Sat, 28 Feb 2004 11:21:02 +0000 | From | Calum Mackay <> | Subject | 2.6.3: NULL pointer deref in get_disk() |
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I've recently started seeing the following on every attempt to mount a CompactFlash card - with a VFAT fs on it.
I am pretty sure that I've been able to mount this CF card previously, with the same 2.6.3 kernel, and in fact even during this boot uptime.
any thoughts?
cheers, c.
diz $ mount -V mount: mount-2.12 diz $ uname -a Linux diz 2.6.3 #16 Fri Feb 20 13:48:22 GMT 2004 i686 GNU/Linux
Feb 28 11:11:18 cdmnet kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000804 Feb 28 11:11:18 cdmnet kernel: printing eip: Feb 28 11:11:18 cdmnet kernel: c01e94a2 Feb 28 11:11:18 cdmnet kernel: *pde = 00000000 Feb 28 11:11:18 cdmnet kernel: Oops: 0000 [#1831] Feb 28 11:11:18 cdmnet kernel: CPU: 0 Feb 28 11:11:18 cdmnet kernel: EIP: 0060:[get_disk+18/168] Not tainted Feb 28 11:11:18 cdmnet kernel: EFLAGS: 00210206 Feb 28 11:11:18 cdmnet kernel: EIP is at get_disk+0x12/0xa8 Feb 28 11:11:18 cdmnet kernel: eax: 000007f0 ebx: edd96a80 ecx: 00000008 edx: 00000001 Feb 28 11:11:18 cdmnet kernel: esi: 00000000 edi: edd96a80 ebp: c01e8e2c esp: cf719c54Feb 28 11:11:18 cdmnet kernel: ds: 007b es: 007b ss: 0068 Feb 28 11:11:18 cdmnet kernel: Process mount (pid: 13879, threadinfo=cf718000 task=e4190ce0) Feb 28 11:11:18 cdmnet kernel: Stack: edd96a80 00000000 d1d3ef40 c01e8e42 edd96a80 c01e3bd7 00800001 edd96a80 Feb 28 11:11:18 cdmnet kernel: cf718000 e60c1180 e60c1180 00000001 0000000f c01e8ecd efd2c800 00800001 Feb 28 11:11:18 cdmnet kernel: cf719cc0 c0151c32 00800001 cf719cc0 00000000 e60c1180 cf719de0 00000001 Feb 28 11:11:18 cdmnet kernel: Call Trace: Feb 28 11:11:18 cdmnet kernel: [exact_lock+10/32] exact_lock+0xa/0x20 Feb 28 11:11:19 cdmnet kernel: [kobj_lookup+199/444] kobj_lookup+0xc7/0x1bc Feb 28 11:11:19 cdmnet kernel: [get_gendisk+21/44] get_gendisk+0x15/0x2c Feb 28 11:11:19 cdmnet kernel: [do_open+70/988] do_open+0x46/0x3dc Feb 28 11:11:19 cdmnet kernel: [blkdev_get+109/124] blkdev_get+0x6d/0x7c Feb 28 11:11:19 cdmnet kernel: [open_bdev_excl+66/140] open_bdev_excl+0x42/0x8c Feb 28 11:11:19 cdmnet kernel: [get_sb_bdev+29/304] get_sb_bdev+0x1d/0x130 Feb 28 11:11:19 cdmnet kernel: [kmem_cache_alloc+47/56] kmem_cache_alloc+0x2f/0x38 Feb 28 11:11:19 cdmnet kernel: [__crc_do_softirq+304176/2176560] gcc2_compiled.+0x1f/0x24 [vfat] Feb 28 11:11:19 cdmnet kernel: [__crc_do_softirq+304069/2176560] vfat_fill_super+0x0/0x4c [vfat] Feb 28 11:11:19 cdmnet kernel: [do_kern_mount+74/180] do_kern_mount+0x4a/0xb4 Feb 28 11:11:19 cdmnet kernel: [do_add_mount+105/312] do_add_mount+0x69/0x138 Feb 28 11:11:19 cdmnet kernel: [do_mount+354/380] do_mount+0x162/0x17c Feb 28 11:11:19 cdmnet kernel: [copy_mount_options+128/248] copy_mount_options+0x80/0xf8 Feb 28 11:11:19 cdmnet kernel: [sys_mount+167/276] sys_mount+0xa7/0x114 Feb 28 11:11:19 cdmnet kernel: [sysenter_past_esp+82/113] sysenter_past_esp+0x52/0x71 Feb 28 11:11:19 cdmnet kernel: Feb 28 11:11:19 cdmnet kernel: Code: 8b 70 14 85 f6 74 3b bb 01 00 00 00 b8 00 e0 ff ff 21 e0 ff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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