Date: Tue, 30 Jun 1998 16:02:27 +-200 From: mueller-dlg@t-online.de (=?iso-8859-1?Q?Christoph_M=FCller?=) To: "'AIC7xxx mailinglist'" <AIC7xxx@FreeBSD.ORG> Subject: AHA 2940 failure during backup on DAT-streamer Message-ID: <01BDA440.7DDC6560@CHMUELLER>
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Hi all, I posted this mailing to the list already, and send it together with the subscribe mail. I didn't get any response, so just in case something went wrong when subscribing and sending mail at the same time, may I put this here once again (or first time, I'm not shure). I have an Adaptec 2940 AU Controller and in the various ways I have tried to use it, it never really functioned. Errors always occur when making backups to an HP-SCSI-streamer, to be exact errors occur during verify from the streamer. I have used Linux versions from 2.0.30 through 2.0.34 I used to have an IBM 1 GB disc, now I have a Quantum 3210S 3.2 GB I checked cabling and termination. I reduced speed, disabled and enabled disconnection and syncmode. I used a seperat controller (Adaptec 1502) for the streamer. Nothing seems to have any effect. Using the controller normally is ok, but verifying a backup on tape brings always brings up the same error, which is totally reproduceable. In the meantime I am using an old Adaptec 1502 controller with no problems at all, it is just a little bit slow. Below this is listed what kind of error-messages I get, the content of the error message varies, depending on the settings, sometimes it says something about timeouts, bad waiting queus etc. The error itself always leads to a system crash, sometimes I can still shutdown the system, sometimes I have to use the power switch. Any suggustions on what to do would be very welcome. Thanks in advance, Christoph Mueller mueller-dlg@t-online.de typical error message when verifying a tape backup (about an hour after starting). Jun 21 14:12:34 linux kernel: Unable to handle kernel NULL pointer dereference at virtual address c0000006 Jun 21 14:12:34 linux kernel: current->tss.cr3 = 00101000, Xr3 = 00101000 Jun 21 14:12:34 linux kernel: *pde = 00102067 Jun 21 14:12:34 linux kernel: *pte = 00000000 Jun 21 14:12:34 linux kernel: Oops: 0002 Jun 21 14:12:34 linux kernel: CPU: 0 Jun 21 14:12:34 linux kernel: EIP: 0010:[try_to_free_buffer+19/640] Jun 21 14:12:34 linux kernel: EFLAGS: 00010246 Jun 21 14:12:34 linux kernel: eax: 00006fb8 ebx: 00000006 ecx: 00000006 edx: 01330100 Jun 21 14:12:34 linux kernel: esi: 000000f7 edi: 00000006 ebp: 00006fb8 esp: 00006f84 Jun 21 14:12:34 linux kernel: ds: 0018 es: 0018 fs: 0018 gs: 0018 ss: 0018 Jun 21 14:12:34 linux kernel: Process kswapd (pid: 3, process nr: 3, stackpage=00006000) Jun 21 14:12:34 linux kernel: Stack: 00265858 000000f7 000007f3 00002000 0011e4fc 01330198 00006fb8 00000006 Jun 21 14:12:34 linux kernel: 00000006 00000001 00000003 00000000 00000000 01330198 00121f48 00000006 Jun 21 14:12:34 linux kernel: 00000000 00000001 00000003 0009afdc 00000000 00009000 00122171 00000003 Jun 21 14:12:34 linux kernel: Call Trace: [shrink_mmap+444/528] [try_to_free_page+88/208] [kswapd+321/336] [init+70/624] [kswapd+0/336] Jun 21 14:12:34 linux kernel: Code: 89 2f 8b 7d 24 81 e7 00 f0 ff ff 89 7c 24 10 89 ee 85 f6 75 Jun 21 14:12:34 linux kernel: Unable to handle kernel NULL pointer dereference at virtual address c000006 Jun 21 14:12:34 linux kernel: current->tss.cr3 = 0179d000, Xr3 = 0179d000 Jun 21 14:12:34 linux kernel: *pde = 00102067 Jun 21 14:12:34 linux kernel: *pte = 00000000 Jun 21 14:12:34 linux kernel: Oops: 0002 Jun 21 14:12:34 linux kernel: CPU: 0 Jun 21 14:12:34 linux kernel: EIP: 0010:[try_to_free_buffer+19/640] Jun 21 14:12:34 linux kernel: EFLAGS: 00010246 Jun 21 14:12:34 linux kernel: eax: 01a19ed4 ebx: 00000006 ecx: 00000006 edx: 01330100 Jun 21 14:12:34 linux kernel: esi: 000000ff edi: 00000006 ebp: 01a19ed4 esp: 01a19ea0 Jun 21 14:12:34 linux kernel: ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018 Jun 21 14:12:34 linux kernel: Process tar (pid: 429, process nr: 61, stackpage=01a19000) Jun 21 14:12:34 linux kernel: Stack: 00265858 000000ff 000007ff 00002000 0011e4fc 01330198 01a19ed4 00000006 Jun 21 14:12:34 linux kernel: 00000006 00000001 00000000 00000000 01adf000 01330198 00121f48 00000006 Jun 21 14:12:34 linux kernel: 00000000 00000001 00000003 00000058 00000000 01adf000 00122a76 00000003 Jun 21 14:12:34 linux kernel: Call Trace: [shrink_mmap+444/528] [try_to_free_page+88/208] [__get_free_pages+438/464] [try_to_read_ahead+40/304] [generic_file_read+704/1584] [sys_read+204/256] [system_call+85/128] Jun 21 14:12:34 linux kernel: Code: 89 2f 8b 7d 24 81 e7 00 f0 ff ff 89 7c 24 10 89 ee 85 f6 75 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe aic7xxx" in the body of the message
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