This has been around for a while, and is still there with latest
rc5-git's.
Dave
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Summary: Attempting to use SCSI tape drive triggers kernel BUG
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=180389
fenlason@xxxxxxxxxx changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO_REPORTER |ASSIGNED
Status|NEEDINFO_REPORTER |ASSIGNED
------- Additional Comments From fenlason@xxxxxxxxxx 2006-02-28 12:52 EST -------
2.6.15-1.1991_FC5smp still fails
st0: Block limits 2 - 16777215 bytes.
kfree_debugcheck: out of range ptr fffffffch.
------------[ cut here ]------------
kernel BUG at mm/slab.c:2490!
invalid opcode: 0000 [#1]
SMP
last sysfs file: /block/sda/sda1/size
Modules linked in: nfsd exportfs lockd nfs_acl ipv6 ppdev autofs4 rfcomm l2cap
b
luetooth sunrpc lp parport_pc parport floppy nvram uhci_hcd st sg snd_cmipci
gam
eport snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss
snd_mixer
_oss snd_pcm snd_page_alloc matroxfb_base snd_opl3_lib matroxfb_DAC1064
snd_time
r matroxfb_accel snd_hwdep matroxfb_Ti3026 snd_mpu401_uart matroxfb_g450
snd_raw
midi g450_pll snd_seq_device snd matroxfb_misc soundcore matrox_w1 wire e100
mii
i2c_piix4 i2c_core dm_snapshot dm_zero dm_mirror dm_mod ext3 jbd aic7xxx
scsi_t
ransport_spi sd_mod scsi_mod
CPU: 0
EIP: 0060:[<c015f311>] Not tainted VLI
EFLAGS: 00010086 (2.6.15-1.1991_FC5smp #1)
EIP is at kfree_debugcheck+0x20/0x51
eax: 00000031 ebx: 0003ffff ecx: d4018dfc edx: c0315f6d
esi: fffffffc edi: fffffffc ebp: 00000246 esp: d4018df8
ds: 007b es: 007b ss: 0068
Process amcheck (pid: 2568, threadinfo=d4018000 task=d46d03b0)
Stack: <0>c0315f6d fffffffc 00000000 dffdeb00 c015fa51 c0149d2e 00000000
dffdeb0
0
dffdcb70 00000246 c0161559 dfd6c9d0 c1770170 00000000 de613598 c0149d2e
d463cea0 c1770170 d463cea0 c016822d 00000a00 00000000 c01680e8 e0842418
Call Trace:
[<c015fa51>] cache_free_debugcheck+0x1b/0x1b9 [<c0149d2e>]
mempool_free+0x5
f/0x63
[<c0161559>] kmem_cache_free+0x2a/0x5c [<c0149d2e>]
mempool_free+0x5f/0x63
[<c016822d>] bio_free+0x25/0x30 [<c01680e8>] bio_put+0x28/0x29
[<e0842418>] scsi_execute_async+0x13f/0x317 [scsi_mod] [<e0a38677>]
st_do_s
csi+0x1d3/0x228 [st]
[<e0a3a4f9>] st_sleep_done+0x0/0x3a [st] [<e0a3c439>] st_read+0x2fb/0x78b
[
st]
[<e0a3c13e>] st_read+0x0/0x78b [st] [<c01641c9>] vfs_read+0x9f/0x13e
[<c0164615>] sys_read+0x3c/0x63 [<c0103d81>] syscall_call+0x7/0xb
Code: 26 0a cc 5e 31 c0 58 5b 5e 5f c3 56 53 89 c6 8d 98 00 00 00 40 c1 eb 0c
3b
1d 00 23 48 c0 72 15 50 68 6d 5f 31 c0 e8 16 48 fc ff <0f> 0b ba 09 cc 5e 31
c0
58 5a 6b c3 28 03 05 10 23 48 c0 8b 00
Continuing in 1 seconds.
<3>Debug: sleeping function called from invalid context at
include/linux/rwsem.
h:43
in_atomic():0, irqs_disabled():1
[<c0124881>] profile_task_exit+0x13/0x48 [<c01261a3>] do_exit+0x1c/0x6fc
[<c010526c>] register_die_notifier+0x0/0x2f [<c010584e>]
do_invalid_op+0x0/
0x9d
[<c01058df>] do_invalid_op+0x91/0x9d [<c015f311>]
kfree_debugcheck+0x20/0x5
1
[<c0123993>] vprintk+0x195/0x329 [<c0149d69>] mempool_alloc+0x37/0xd3
[<c0160050>] kmem_cache_alloc+0x7f/0x89 [<c0149d69>]
mempool_alloc+0x37/0xd
3
[<c0149d69>] mempool_alloc+0x37/0xd3 [<c01d2d5a>]
cfq_set_request+0x318/0x4
3a
[<c01048a7>] error_code+0x4f/0x54 [<c015f311>] kfree_debugcheck+0x20/0x51
[<c015fa51>] cache_free_debugcheck+0x1b/0x1b9 [<c0149d2e>]
mempool_free+0x5
f/0x63
[<c0161559>] kmem_cache_free+0x2a/0x5c [<c0149d2e>]
mempool_free+0x5f/0x63
[<c016822d>] bio_free+0x25/0x30 [<c01680e8>] bio_put+0x28/0x29
[<e0842418>] scsi_execute_async+0x13f/0x317 [scsi_mod] [<e0a38677>]
st_do_s
csi+0x1d3/0x228 [st]
[<e0a3a4f9>] st_sleep_done+0x0/0x3a [st] [<e0a3c439>] st_read+0x2fb/0x78b
[
st]
[<e0a3c13e>] st_read+0x0/0x78b [st] [<c01641c9>] vfs_read+0x9f/0x13e
[<c0164615>] sys_read+0x3c/0x63 [<c0103d81>] syscall_call+0x7/0xb
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