Re: 2.6.24-rc1 fails with lockup - /sbin/ifconfig / inet_ioctl() / dev_close() / rtl8169_down()

Ingo Molnar
2007-10-26T06:38:19Z

* Romano Giannetti <romanol@upcomillas.es> wrote:

> > Does this help?
>
> I tried this, but although I have the D-state processes, I cannot see
> any debug trace now. Results are at:
>
> http://www.dea.icai.upcomillas.es/romano/linux/info/2624rc1_3/
>
> Can I try anything more? This is quite a show-stopper for me... and
> before trying to bisect 11Mbyte of patches...

hm, from your log it appears that lockdep did not find anything, still
the hang does trigger.

it's /sbin/ifconfig and inet_ioctl() / dev_close() / rtl8169_down() that
seems to be hanging. I've extracted the relevant backtrace below. I've
Cc:-ed people who might have a better idea about what's going on.

Ingo

------------------>
ifconfig S c0476f80 0 7226 7166
cbb67df0 00000046 c02f3f97 c0476f80 cbb67dc0 c01489d5 c2b81550 c2b8168c
c1cf7b80 00000000 c30bd250 00000000 cbb67dd0 00000282 cbb67e00 c0476f80
cbb67df0 c0132618 00004232 00000000 00000282 cbb67e00 00004232 f884e000
Call Trace:
[schedule_timeout+72/192] schedule_timeout+0x48/0xc0
[schedule_timeout_interruptible+21/32] schedule_timeout_interruptible+0x15/0x20
[msleep_interruptible+39/64] msleep_interruptible+0x27/0x40
[<f88422f0>] rtl8169_down+0xb0/0xd0 [r8169]
[<f88424cf>] rtl8169_close+0x1f/0xb0 [r8169]
[dev_close+71/96] dev_close+0x47/0x60
[dev_change_flags+125/384] dev_change_flags+0x7d/0x180
[devinet_ioctl+1225/1632] devinet_ioctl+0x4c9/0x660
[inet_ioctl+107/144] inet_ioctl+0x6b/0x90
[sock_ioctl+208/544] sock_ioctl+0xd0/0x220
[do_ioctl+40/128] do_ioctl+0x28/0x80
[vfs_ioctl+87/640] vfs_ioctl+0x57/0x280
[sys_ioctl+57/96] sys_ioctl+0x39/0x60
[sysenter_past_esp+95/165] sysenter_past_esp+0x5f/0xa5
=======================