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Try 2.6.4-mm2. I tested with scsi_debug and problem disappeared in 2.6.4-mm2. It is fixed by this patch. http://marc.theaimsgroup.com/?l=bk-commits-head&m=107928795812635&w=2 Maneesh On Mon, Mar 15, 2004 at 10:20:23PM +0000, Badari Pulavarty wrote: > Happend while rmmod qla2200 on 2.6.4-mm1. > Thanks, > Badari > > Unable to handle kernel NULL pointer dereference at virtual address 0000000c > printing eip: > c019e1df > *pde = 00000000 > Oops: 0000 [#1] > SMP > CPU: 7 > EIP: 0060:[<c019e1df>] Not tainted VLI > EFLAGS: 00010282 (2.6.4-mm1) > EIP is at sysfs_hash_and_remove+0xf/0x6e > eax: 00000000 ebx: f634c298 ecx: f634c23c edx: c03d82f9 > esi: 00000000 edi: 00000000 ebp: f2f87eac esp: f2f87ea4 > ds: 007b es: 007b ss: 0068 > Process rmmod (pid: 23347, threadinfo=f2f86000 task=f79e26b0) > Stack: f634c298 f634c298 f2f87ec8 c0299c29 c0449be4 f634c244 f634c298 f634c184 > 00000000 f2f87ed4 c0299c6b f634c000 f2f87ee4 c02c1ffd f3a50000 f7bbb000 > f2f87ef4 c02c14ff f3a50000 c3366044 f2f87f00 c02bb72b f3a501e0 f2f87f10 > Call Trace: > [<c0299c29>] class_device_del+0x89/0xc0 > [<c0299c6b>] class_device_unregister+0xb/0x20 > [<c02c1ffd>] scsi_remove_device+0x4d/0x90 > [<c02c14ff>] scsi_forget_host+0x3f/0x70 > [<c02bb72b>] scsi_remove_host+0x1b/0x50 > [<f8978bc4>] qla2x00_remove_one+0x74/0xb0 [qla2xxx] > [<c0255a4c>] pci_device_remove+0x2c/0x30 > [<c0298fe9>] device_release_driver+0x59/0x60 > [<c0299018>] driver_detach+0x28/0x40 > [<c029923c>] bus_remove_driver+0x3c/0x70 > [<c02995db>] driver_unregister+0xb/0x1d > [<c0255bfe>] pci_unregister_driver+0xe/0x20 > [<c013c201>] sys_delete_module+0x121/0x170 > [<c0155e5a>] unmap_vma_list+0x1a/0x30 > [<c01562a7>] do_munmap+0x127/0x190 > [<c0156352>] sys_munmap+0x42/0x70 > [<c03a5c1e>] sysenter_past_esp+0x43/0x65 > > Code: f2 e8 b6 26 fd ff 83 c4 10 5b 5e 5f 5d c3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 55 89 e5 83 ec 08 89 74 24 04 89 c6 89 1c 24 <8b> 40 0c 8d 48 74 f0 ff 48 74 78 53 89 f0 e8 6e ff ff ff 3d 18 > > - > 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/ > -- Maneesh Soni Linux Technology Center, IBM Software Lab, Bangalore, India email: maneesh@in.ibm.com Phone: 91-80-25044999 Fax: 91-80-25268553 T/L : 9243696 - 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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