From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Anderson Subject: Re: Kernel 2.5.26 panics with Adaptec 2930U Date: Wed, 17 Jul 2002 21:48:59 -0700 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <20020717214859.A24543@beaverton.ibm.com> References: <200207172106.58939.andu@shaw.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <200207172106.58939.andu@shaw.ca>; from andu@shaw.ca on Wed, Jul 17, 2002 at 09:06:58PM -0600 List-Id: linux-scsi@vger.kernel.org To: Alexandru Deac Cc: linux-scsi@vger.kernel.org Alexandru, This error has a signature similiar to what Patrick Mansfield reported previously. You can review the previous thread here. http://marc.theaimsgroup.com/?t=101494907100009&r=1&w=2 In the thread a temp workaround was mentioned but not a perm solution. -Mike Alexandru Deac [andu@shaw.ca] wrote: > Hello, > I just compiled kernel 2.5.26 but I can't get it to boot up as it always > panics when it gets to the scsi devices. > I have a Adaptec 2939U SCSI controller and a Sony SDT-9000 DDS-3 tape > drive connected to it. > The aic7xxx is built-in to the kernel along with the tape support as well as > scsi cdrom support and the scsi-emulation driver for my CD-RW. > > Here's the panic output: > > Unable to handle NULL pointer dereference at virtual address 0000000c > printing eip: > c022d7e1 > *pde = 00000000 > Oops: 0000 > CPU: 0 > EIP: 0010:[] Not tainted > EFLAGS: 00010092 > eax: 00000000 ebx: dfd8d380 ecx: 00000018 edx: 00000000 > esi: dfd4e600 edi: 00000000 ebp: 00000013 esp: dffc3e70 > ds: 0018 es: 0018 ss: 0018 > > Process swapper(pid: 1, threadinfo=dffc2000 task=dffc6680) > Stack: dfd8d380 04000001 00000000 c14d5800 00000292 c08093f1 00000013 dfd4e600 > dffc3ed0 c03e8040 c03aacc0 00000013 dffc3ec8 c01095e6 00000013 dffc3ed0 > dfd8d380 dffc2000 00000002 00001c80 00000000 dfd8d380 ff000000 c0107893 > Call Trace: [] [] [] [] [] > [] [] [] [] [] [] > > [] [] [] [] > > Code: 8b 40 0c f0 fe 08 0f 88 d0 1e 00 00 8b 9e 88 00 00 00 81 e3 > <0>Kernel panic: Aiee, killing interrup handeler! > In interrupt handeler - not syncing > > I didn't run a ksymoops on it since I cannot boot 2.5.26 so I can't use its > /proc/modules and /proc/ksym. Okay well I did a ksymoops against my current > kernel 2.4.18 but using 2.5.26 sys map and its modules. I'm not sure if this > has any value since it was made using a wrong version but here's it output: > > >>EIP; c022d7e1 <===== > > >>ebx; dfd8d380 <_end+1f95dac4/20453744> > >>esi; dfd4e600 <_end+1f91ed44/20453744> > >>esp; dffc3e70 <_end+1fb945b4/20453744> > > Trace; c01093f1 > Trace; c01095e6 > Trace; c0107893 > Trace; c022fcba > Trace; c01e48ac > Trace; c01e3c03 > Trace; c01e4d67 > Trace; c01af686 > Trace; c02324ab > Trace; c022c3dc > Trace; c0218cb9 > Trace; c01e4b2f > Trace; c02183a0 > Trace; c010507b > Trace; c0105718 > > Code; c022d7e1 > 00000000 <_EIP>: > Code; c022d7e1 <===== > 0: 8b 40 0c mov 0xc(%eax),%eax <===== > Code; c022d7e4 > 3: f0 fe 08 lock decb (%eax) > Code; c022d7e7 > 6: 0f 88 d0 1e 00 00 js 1edc <_EIP+0x1edc> c022f6bd > <.text.lock.aic7xxx_linux+18/ab> > Code; c022d7ed > c: 8b 9e 88 00 00 00 mov 0x88(%esi),%ebx > Code; c022d7f3 > 12: 81 e3 00 00 00 00 and $0x0,%ebx > > I don't have much experience submiting kernel bugs as you have probably > noticed from this post, but if you need anything else to trace this thing now > let me know and I'll provide it. > > As a side note I just tested 2.5.25 and it gives the same error. > > Cheers, > Alex. > > - > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Michael Anderson andmike@us.ibm.com