Messages in this thread | | | Date | Sun, 17 Aug 2003 04:27:51 -0300 | From | Martin Sarsale <> | Subject | segfault when unloading module loop in 2.6.0-test3+ck patches |
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Dear all: I was playing with the crypto support, and when I tried to unload the module "loop" I got a segfault and after that lsmod hung
runa:/usr/src/linux-2.5.75# lsmod Module Size Used by loop 13736 0 twofish 38272 0 snd_ens1371 16868 1 snd_rawmidi 20096 1 snd_ens1371 snd_ac97_codec 50724 1 snd_ens1371 nfsd 154272 8 exportfs 5024 1 nfsd lockd 58480 2 nfsd sunrpc 118856 2 nfsd,lockd rtc 10260 1 runa:/usr/src/linux-2.5.75# rmmod twofish runa:/usr/src/linux-2.5.75# rmmod loop Segmentation fault runa:/usr/src/linux-2.5.75# lsmod Module Size Used by (nothing)
dmesg says (I'll include the hda lines in case they've something to do):
hda: set_drive_speed_status: status=0x58 { DriveReady SeekComplete DataRequest } blk: queue c15a8c00, I/O limit 4095Mb (mask 0xffffffff) hda: dma_intr: status=0x58 { DriveReady SeekComplete DataRequest }
hda: set_drive_speed_status: status=0x58 { DriveReady SeekComplete DataRequest } hda: CHECK for good STATUS loop: loaded (max 8 devices) Unable to handle kernel paging request at virtual address 010000bf printing eip: c01d5564 *pde = 00000000 Oops: 0000 [#1] CPU: 0 EIP: 0060:[<c01d5564>] Not tainted EFLAGS: 00210202 EIP is at kobject_del+0x34/0x80 eax: 0100007f ebx: d5c9f850 ecx: d5c9f850 edx: 0100007f esi: d4f43960 edi: d4f43a24 ebp: 00000880 esp: cf401eec ds: 007b es: 007b ss: 0068 Process rmmod (pid: 27599, threadinfo=cf400000 task=caac72b0) Stack: dbfe7ab8 00200282 d654d200 d5c9f850 c01d55c3 d5c9f850 d5c9f800 c023bb8a d5c9f850 d5c9f800 c023f5de d5c9f800 d4f43960 c037b018 c0240523 d4f43960 d4f43960 d4f43960 c017fc0d d4f43960 00000000 00000000 c037b018 00000000 Call Trace: [<c01d55c3>] kobject_unregister+0x13/0x30 [<c023bb8a>] elv_unregister_queue+0x1a/0x40 [<c023f5de>] blk_unregister_queue+0x1e/0x60 [<c0240523>] unlink_gendisk+0x13/0x40 [<c017fc0d>] del_gendisk+0x6d/0xe0 [<dcb7a133>] cleanup_module+0x63/0x7e [loop] [<c012f6f9>] sys_delete_module+0x119/0x1a0 [<c01427dc>] do_munmap+0x14c/0x190 [<c010929b>] syscall_call+0x7/0xb
Code: 8b 52 40 85 d2 74 25 89 5c 24 08 8b 41 24 c7 04 24 a1 71 34 - 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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