On Wed, 2007-03-07 at 11:52 -0800, Andrew Morton wrote:
> On Wed, 7 Mar 2007 16:46:20 -0300 "Luiz Fernando N. Capitulino" <[EMAIL
> PROTECTED]> wrote:
>
> > Em Tue, 6 Mar 2007 00:44:08 -0800
> > Andrew Morton <[EMAIL PROTECTED]> escreveu:
> >
> > |
> > | Temporarily at
> > |
> > | http://userweb.kernel.org/~akpm/2.6.21-rc2-mm2/
> > |
> > | Will appear later at
> > |
> > |
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc2/2.6.20-rc2-mm2/
> >
> > Getting this while rebooting:
> >
> > [ 166.588469] BUG: atomic counter underflow at:
> > [ 166.588527] [<c01047fa>] show_trace_log_lvl+0x1a/0x30
> > [ 166.588632] [<c0104f12>] show_trace+0x12/0x20
> > [ 166.588730] [<c0104fc6>] dump_stack+0x16/0x20
> > [ 166.588828] [<c01eaf41>] kref_put+0xa1/0x100
> > [ 166.588927] [<c01ea084>] kobject_put+0x14/0x20
> > [ 166.589027] [<c01ea222>] kobject_unregister+0x22/0x30
> > [ 166.589127] [<c025ed69>] bus_remove_driver+0x79/0x90
> > [ 166.589227] [<c025f9bb>] driver_unregister+0xb/0x20
> > [ 166.589327] [<c0205c03>] pci_unregister_driver+0x13/0x70
> > [ 166.589428] [<dc951c9d>] alsa_card_via82xx_exit+0xd/0xf [snd_via82xx]
> > [ 166.589534] [<c0140c10>] sys_delete_module+0x140/0x1b0
> > [ 166.589635] [<c01040ce>] sysenter_past_esp+0x5f/0x99
> > [ 166.589734] =======================
> >
>
> Me too. Greg has reverted the offenging commit, so now rmmod of the IPMI
> driver locks the machine again.
Hi,
The hang (which /me screwed up fixing) isn't upon rmmod, it's when IPMI
is built-in and ipmi_si finds nobody home. Driver tries to back out,
and waits forever for completion. (about 0.7 seconds into boot)
-Mike
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