On Fri, 2010-03-19 at 00:21 +0100, Stef Simoens wrote: > Hello, > > Some time ago (July 24th 2009 my mailbox says) I emailed you and the > linuxppc-dev list about my problems booting from the mesh SCSI > controller. > > I just compiled 2.6.31 (actually, gentoo-sources-2.6.31-r10); but the > problem remains > I know that 2.6.33 is out, but as I didn't see any changes to the > mesh-driver I guess that the problem is still there ...
Sadly I haven't had a chance to look. The MESH driver is a pretty complicated thing that I didn't write and am not familiar with, so it's going to take some work to sort out what's going on, and so far I haven't had time to dedicate to this. Cheers, Ben. > This is the logging I get when I boot (2.6.31): > > mesh_abort(ef8501e0) > mesh: state at ef9eaa50, regs at f1010000, dma at f1014a00 > ct= 1 seq=47 bs=4027 fc= 0 exc= 0 err= 0 im= 7 int= 0 sp=f0 > dma stat=e0 cmdptr=2f8c2010 > phase=5 msgphase=0 conn_tgt=0 data_ptr=0 > dma_st=0 dma_ct=0 n_msgout=0 > target 0: req=ef85901e0 goes_out=0 saved_ptr=0 > mesh_abort(ef850280) > mesh: state at ef9eaa50, regs at f1010000, dma at f1014a00 > ct= 1 seq=47 bs=4027 fc= 0 exc= 0 err= 0 im= 7 int= 0 sp=f0 > dma stat=e0 cmdptr=2f8c2010 > phase=5 msgphase=0 conn_tgt=0 data_ptr=0 > dma_st=0 dma_ct=0 n_msgout=0 > target 0: req=ef8501e0 goes_out=0 saved_ptr=0 > mesh_host_reset > mesh_abort(ef8501e0) > mesh: state at ef9eaa50, regs at f1010000, dma at f1014a00 > ct= 0 seq=6a bs=4026 fc= 5 exc= 0 err= 0 im= 7 int= 0 sp= 2 > fifo data=c0 > fifo data=01 > fifo data=03 > fifo data=01 > fifo data=19 > dma stat=e0 cmdptr=2f8c2010 > phase=3 msgphase=1 conn_tgt=0 data_ptr=0 > dma_st=0 dma_ct=0 n_msgout=6 > target 0: req=ef8501e0 goes_out=0 saved_ptr=0 > mesh_host_reset > ... > [afterwards, it "disconnects" all the disks and then it panics as it > cannot find the root partition] > > 2.6.29 runs fine ... but I guess that at some point, I would like to > upgrade to the latest stable kernel. > > The machine is a PowerPC9600 with a 740 upgrade card, 1GB memory, > kernel compiled with GCC 4.3.4 ... > > Of course I am willing to offer you all assistance you need to help > you pin-point the problem... > > Thanks for your help > > Stef > > Stef Simoens schreef: > > Hello Ben, > > > > Thank you for your reply. > > > > > On Fri, 2009-07-24 at 00:18 +0200, Stef Simoens wrote: > > > > > > > I tried the latest 2.6.31-rc3-git3 (without any other patch). > > > > However, I have the same behaviour as the patched 2.6.30 (so: no BUG, > > > > but the mesh_abort messages). > > > > > > > Would it be possible for you to roughly find out at what kernel version > > > it stopped working ? (Some kernels may need my patch to avoid crashing) > > > > > > > I am currently running 2.6.29-gentoo-r5 (that's somewhere at the end of > > 2.6.29, probably 2.6.29.5). > > > > I compiled 2.6.30 as soon as it came 'stable'. > > In any version of 2.6.30, I encounter the BUG (dma-mapping.h:218). > > > > I didn't react immediately, I actually guessed that the problem would have > > been reported and solved in another 2.6.30.x. > > Because it didn't, I started browsing the mailing-list (and found your > > patch). > > 2.6.30-gentoo-r3 with your patch applied doesn't give the bug, > > but gives the mesh_abort. > > > > Before asking the question, I wanted to build the latest 2.6.31-rc > > available to make sure my problem didn't get solved in the meantime. > > 2.6.31-rc3 gives the same mesh_abort. > > > > Would you like me to try all the linux-2.6.30-rc? > > Could you give me your best guess starting-point? > > > > I know that there exists something as git-disect ... but I have never used > > git (there always needs to be the first time, of course). > > > > Kind regards, > > > > Stef > > > -- > Stef Simoens stef.simo...@numericable.be > +32 486 577 963 http://users.numericable.be/stef _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
