pls CC me, I'm not on the list.

## Added on Jun-15-2006
## I posted this msg to linux-scsi about a week ago, but nobody replied
## or made any comments.


Hi List,

Kernel crashes when I try to host-swap a hdd.  When I take a drive out
I see messages on console that drive is taken out and that it's marked
as 'Failed' in md arrays. When I push it back in kernel crashes.
(also https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=194349)

2x2.4 Xeon, Adaptec AIC-7902B U320 (aic79xx), SuperMicro 6023-P8 Chassis
http://www.supermicro.com/products/system/2U/6023/SYS-6023P-8.cfm

Jun 10 00:57:03 192.168.0.6 kernel: netconsole: local IP 192.168.0.201
Jun 10 00:57:35 192.168.0.201 scsi0: Someone reset channel A
Jun 10 00:57:35 192.168.0.201 BUG: spinlock recursion on CPU#2, swapper/0
Jun 10 00:57:35 192.168.0.201  lock: c266f600, .magic: dead4ead, .owner:
swapper/0, .owner_cpu: 2
Jun 10 00:57:35 192.168.0.201  [<c01cc02d>]
Jun 10 00:57:35 192.168.0.201 _raw_spin_lock+0x33/0xd2
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<c02e5bf7>]
Jun 10 00:57:35 192.168.0.201 _spin_lock_irqsave+0x9/0xd
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<f88b7768>]
Jun 10 00:57:35 192.168.0.201 ahd_freeze_simq+0x12/0x43 [aic79xx]
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<f88aed4d>]
Jun 10 00:57:35 192.168.0.201 ahd_reset_channel+0x471/0x4b5 [aic79xx]
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<c02e0000>]
Jun 10 00:57:35 192.168.0.201 unix_stream_recvmsg+0x331/0x49a
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<f88af93c>]
Jun 10 00:57:35 192.168.0.201 ahd_handle_scsiint+0x349/0x15c7 [aic79xx]
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<c02e5bf7>]
Jun 10 00:57:35 192.168.0.201 _spin_lock_irqsave+0x9/0xd
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<c0209ab3>]
Jun 10 00:57:35 192.168.0.201 __add_entropy_words+0x58/0x184
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<c011cf16>]
Jun 10 00:57:35 192.168.0.201 __wake_up+0x2a/0x3d
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<c011f382>]
Jun 10 00:57:35 192.168.0.201 nr_uninterruptible+0x44/0x63
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<f88b907d>]
Jun 10 00:57:35 192.168.0.201 ahd_linux_isr+0x160/0x17b [aic79xx]
Jun 10 00:57:35 192.168.0.201
Jun 10 00:57:35 192.168.0.201  [<c01421ca>]

dmesg, lspci are attached

Rgds,
Konstantin

-- 
Konstantin Antselovich
mailto: konstantin@antselovich.com
http://konstantin.antselovich.com