From: Nico -telmich- Schottelius <nico-linux-20090106@schottelius.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Nico -telmich- Schottelius <nico-linux-20090106@schottelius.org>
Subject: BUG when doing rmmod kafs, 2.6.28-rc9-wl-24896-gf4f5c96
Date: Tue, 6 Jan 2009 18:31:28 +0100 [thread overview]
Message-ID: <20090106173128.GD27916@denkbrett.schottelius.org> (raw)
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Hello!
I wanted to play around with AFS and when trying to rmmod kafs
(to load openafs's libafs...), I get the attached bug.
I assume this is the same case for newer versions, just building
next-20090106 now.
Sincerly,
Nico
ps: as always, cc on reply me.
--
Think about Free and Open Source Software (FOSS).
http://nico.schottelius.org/documentations/foss/the-term-foss/
PGP: BFE4 C736 ABE5 406F 8F42 F7CF B8BE F92A 9885 188C
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[181243.008127] ------------[ cut here ]------------
[181243.008135] Kernel BUG at ffffffff802ce3c9 [verbose debug info unavailable]
[181243.008141] invalid opcode: 0000 [#1] PREEMPT SMP
[181243.008148] last sysfs file: /sys/class/power_supply/BAT0/energy_full
[181243.008153] CPU 0
[181243.008156] Modules linked in: kafs(-) af_rxrpc iwlagn usblp raid456 async_xor async_memcpy async_tx xor nfs lockd nfs_acl sunrpc tun ppp_deflate zlib_deflate zlib_inflate bsd_comp ppp_async crc_ccitt ppp_generic slhc sierra usbserial i915 drm sg sr_mod cdrom rfcomm l2cap usb_storage libusual uinput autofs4 ipv6 cpufreq_powersave fuse sha256_generic aes_x86_64 aes_generic cbc dm_crypt dm_mod md_mod loop btusb bluetooth arc4 ecb snd_hda_intel snd_pcm snd_page_alloc snd_hwdep snd_seq iwlcore snd_timer snd_seq_device rtc_cmos snd ehci_hcd uhci_hcd rtc_core rtc_lib i2c_i801 e1000e mac80211 pcspkr i2c_core usbcore soundcore 8250_pci 8250 serial_core ata_generic cfg80211 pata_acpi video output wmi thinkpad_acpi intel_agp rfkill hwmon backlight led_class nvram [last unloaded: iwlagn]
[181243.008285] Pid: 20113, comm: rmmod Tainted: P 2.6.28-rc9-wl-denkbrett-24896-gf4f5c96 #2
[181243.008291] RIP: 0010:[<ffffffff802ce3c9>] [<ffffffff802ce3c9>] sysfs_remove_one+0x6/0x64
[181243.008307] RSP: 0018:ffff880029d4de20 EFLAGS: 00010202
[181243.008312] RAX: 0000000000000001 RBX: ffff88003f42d4a8 RCX: ffff88007c119370
[181243.008317] RDX: 0000000000000000 RSI: ffff8800798ecbe0 RDI: ffff880029d4de28
[181243.008322] RBP: ffff8800798ecbe0 R08: 0000000000000001 R09: 0000000000000000
[181243.008327] R10: ffff88007c030ac8 R11: 00000000000003c0 R12: ffff8800798ecbe0
[181243.008332] R13: ffff88003f42d438 R14: 0000000000000202 R15: 0000000000000000
[181243.008338] FS: 00007f5eab8386e0(0000) GS:ffffffff80607240(0000) knlGS:0000000000000000
[181243.008344] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[181243.008349] CR2: 00007fff54738068 CR3: 0000000013680000 CR4: 00000000000006e0
[181243.008354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[181243.008359] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[181243.008365] Process rmmod (pid: 20113, threadinfo ffff880029d4c000, task ffff8800036918c0)
[181243.008369] Stack:
[181243.008372] ffffffff802cec17 ffff88007c119370 ffff88003def6cf0 0000000000000000
[181243.008381] 0000000000000000 ffff88003f42d438 ffff88003f42d4a8 ffff8800798ecc08
[181243.008389] ffffffff802cec9b ffff8800798ecbe0 0000000000000000 0000000000000000
[181243.008399] Call Trace:
[181243.008403] [<ffffffff802cec17>] ? remove_dir+0x21/0x31
[181243.008412] [<ffffffff802cec9b>] ? sysfs_remove_dir+0x72/0x7b
[181243.008420] [<ffffffff8032e018>] ? kobject_del+0xe/0x2d
[181243.008429] [<ffffffff80287cf6>] ? kmem_cache_destroy+0x14c/0x172
[181243.008441] [<ffffffffa0456be5>] ? afs_exit+0x17/0x45 [kafs]
[181243.008469] [<ffffffff80255e68>] ? sys_delete_module+0x1e2/0x245
[181243.008478] [<ffffffff80273dad>] ? do_munmap+0x2d1/0x2f3
[181243.008487] [<ffffffff80330e5c>] ? __up_write+0x21/0x10f
[181243.008499] [<ffffffff8020b3fb>] ? system_call_fastpath+0x16/0x1b
[181243.008509] Code: c6 90 d5 6c 80 48 c7 c7 62 f7 54 80 31 c0 e9 db 79 1c 00 90 90 90 48 8b 46 38 48 39 47 40 0f 94 c0 0f b6 c0 c3 f6 46 31 02 74 04 <0f> 0b eb fe 48 8b 46 08 48 8d 50 28 48 8b 40 28 eb 1e 48 39 f0
[181243.008577] RIP [<ffffffff802ce3c9>] sysfs_remove_one+0x6/0x64
[181243.008586] RSP <ffff880029d4de20>
[181243.008591] ---[ end trace b83b8965b0d600b1 ]---
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