ia64/171814: [panic] bioq_init or bioq_remove (unsure which)
Paul Procacci
pprocacci at gmail.com
Tue Sep 25 17:20:15 UTC 2012
The following reply was made to PR ia64/171814; it has been noted by GNATS.
From: Paul Procacci <pprocacci at gmail.com>
To: John Baldwin <jhb at freebsd.org>
Cc: freebsd-ia64 at freebsd.org, freebsd-gnats-submit at freebsd.org
Subject: Re: ia64/171814: [panic] bioq_init or bioq_remove (unsure which)
Date: Tue, 25 Sep 2012 12:11:17 -0500
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Thanks John for your response.
Here is the output provided what you had explained to do:
0xffffffff80865023 is in devstat_remove_entry
(/usr/src/sys/kern/subr_devstat.c:193).
188
189 /* Remove this entry from the devstat queue */
190 atomic_add_acq_int(&ds->sequence1, 1);
191 if (ds->id == NULL) {
192 devstat_num_devs--;
193 STAILQ_REMOVE(devstat_head, ds, devstat, dev_links);
194 }
195 devstat_free(ds);
196 devstat_generation++;
197 mtx_unlock(&devstat_mutex);
--
__________________
:(){ :|:& };:
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Thanks John for your response.<div><br></div><div>Here is the output provid=
ed what you had explained to do:</div><div><br><div><br></div><div><div>0xf=
fffffff80865023 is in devstat_remove_entry (/usr/src/sys/kern/subr_devstat.=
c:193).</div>
<div>188</div><div>189 =A0 =A0 =A0 =A0 =A0 =A0 /* Remove this entry from th=
e devstat queue */</div><div>190 =A0 =A0 =A0 =A0 =A0 =A0 atomic_add_acq_int=
(&ds->sequence1, 1);</div><div>191 =A0 =A0 =A0 =A0 =A0 =A0 if (ds-&g=
t;id =3D=3D NULL) {</div><div>192 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 d=
evstat_num_devs--;</div>
<div>193 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 STAILQ_REMOVE(devstat_head=
, ds, devstat, dev_links);</div><div>194 =A0 =A0 =A0 =A0 =A0 =A0 }</div><di=
v>195 =A0 =A0 =A0 =A0 =A0 =A0 devstat_free(ds);</div><div>196 =A0 =A0 =A0 =
=A0 =A0 =A0 devstat_generation++;</div><div>197 =A0 =A0 =A0 =A0 =A0 =A0 mtx=
_unlock(&devstat_mutex);</div>
<div><br></div><br clear=3D"all"><div><br></div>-- <br>__________________<b=
r><br>:(){ :|:& };:<br>
</div></div>
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