Date: Fri, 6 Feb 2009 13:43:50 +0100 From: Christian Gusenbauer <c47g@gmx.at> To: freebsd-current@freebsd.org Subject: Re: lpt stopped working Message-ID: <200902061343.50224.c47g@gmx.at> In-Reply-To: <200902052203.37792.beech@freebsd.org> References: <200902021643.39862.c47g@gmx.at> <200902040914.10330.jhb@freebsd.org> <200902052203.37792.beech@freebsd.org>
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Hi John! Sorry, it seems that I missed your previous mail, so my answer comes here right now. On Friday 06 February 2009, Beech Rintoul wrote: > On Wednesday 04 February 2009 05:14:10 John Baldwin wrote: > > On Monday 02 February 2009 10:43:39 am Christian Gusenbauer wrote: > > > Hi! > > > > > > Since the recent update (svn r187576) to the ppbus/ppc code my printer > > > > stopped > > > > > working. Every request seems to hang forever in ppb_request_bus waiting > > > for ppb->ppc_lock (at least 'top' tells me that it's hanging in state > > > 'ppbreq'). > > > > Can you use procstat to get a stack trace of the hung thread? # procstat -k 1199 PID TID COMM TDNAME KSTACK 1199 100184 cat - mi_switch sleepq_switch sleepq_catch_signals sleepq_wait_sig _sleep ppb_request_bus lpt_request_ppbus lptwrite devfs_write_f dofilewrite kern_writev write syscall Xint0x80_syscall Christian. > > My printer is still showing "device busy" for lpt0 does anyone know offhand > when the changes were committed? I need to revert. > > Beech
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