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SubjectSoft lockup in e100 driver ?
Running very recent Fedora Core Development kernel I can following
soft-oops.. ( 2.6.12-1.1455_FC5smp )


e100: eth0: e100_watchdog: link up, 100Mbps, full-duplex
BUG: soft lockup detected on CPU#0!

Pid: 10743, comm: ifconfig
EIP: 0060:[<f88bf2f9>] CPU: 0
EIP is at e100_clean_cbs+0x2f/0x12b [e100]
EFLAGS: 00000293 Not tainted (2.6.12-1.1455_FC5smp)
EAX: 495c7c2b EBX: 495c7c2b ECX: f6c311a0 EDX: 00000000
ESI: 00000040 EDI: f6c30000 EBP: f71a4b20 DS: 007b ES: 007b
CR0: 8005003b CR2: 0804a544 CR3: 01e9cd80 CR4: 000006f0
[<f88c0708>] e100_down+0x66/0x9a [e100]
[<f88c1623>] e100_close+0xa/0xd [e100]
[<c02b7adb>] dev_close+0x40/0x7e
[<c02b8f59>] dev_change_flags+0x46/0xf5
[<c02f76b3>] devinet_ioctl+0x564/0x5df
[<c02af22c>] sock_ioctl+0xc3/0x250
[<c02af169>] sock_ioctl+0x0/0x250
[<c01762ef>] do_ioctl+0x1f/0x6d
[<c017648f>] vfs_ioctl+0x50/0x1c6
[<c0176662>] sys_ioctl+0x5d/0x6f
[<c010394d>] syscall_call+0x7/0xb
[<c014473f>] softlockup_tick+0x6f/0x80
[<c01085b8>] timer_interrupt+0x2d/0x75
[<c01448dd>] handle_IRQ_event+0x2e/0x5a
[<c01449cb>] __do_IRQ+0xc2/0x127
[<c0105f7e>] do_IRQ+0x4e/0x86
=======================
[<c01160cc>] smp_apic_timer_interrupt+0xc1/0xca
[<c0104382>] common_interrupt+0x1a/0x20
[<f88bf2f9>] e100_clean_cbs+0x2f/0x12b [e100]
[<f88c0708>] e100_down+0x66/0x9a [e100]
[<f88c1623>] e100_close+0xa/0xd [e100]
[<c02b7adb>] dev_close+0x40/0x7e
[<c02b8f59>] dev_change_flags+0x46/0xf5
[<c02f76b3>] devinet_ioctl+0x564/0x5df
[<c02af22c>] sock_ioctl+0xc3/0x250
[<c02af169>] sock_ioctl+0x0/0x250
[<c01762ef>] do_ioctl+0x1f/0x6d
[<c017648f>] vfs_ioctl+0x50/0x1c6
[<c0176662>] sys_ioctl+0x5d/0x6f
[<c010394d>] syscall_call+0x7/0xb



Preconditions for this are:

- E100 card stopped working for some reason (no idea why, it just
does sometimes at this oldish 2x P-III machine)
- There are active datastreams running in and out
(around 0.2 Mbps out, multiple megabits in.)
- Commanding then "ifconfig eth0 down" results in what feels like
system freezing, but it does recover in about 30-60 seconds
(it takes long enough for me to sweat bullets...)
- While in freeze state, keyboard can go crazy, but mouse does
respond, as well as tvtime shows bt848 captured live video.
-
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