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Date: Mon, 13 Nov 2006 13:40:28 -0800 From: "Brett G. Durrett" <brett@...u.com> To: linux-kernel@...r.kernel.org CC: "Brett G. Durrett" <brett@...u.com>, "David N. Welton" <d.welton@...ster.it> Subject: Re: megaraid_sas waiting for command and then offline Bad news - I just reproduced the failure using EXT3 on a system that had a complete install 4 days ago, so it looks like the megaraid_sas driver fails with both XFS and EXT3 (although EXT3 seems more reliable). I was running EXT with no read ahead: # ./MegaCli -LDGetProp -Cache -L0 -A0 Adapter 0-VD 0: Cache Policy:WriteBack, ReadAheadNone, Direct # mount /dev/sda1 on / type ext3 (rw,errors=remount-ro) # uname -a Linux AF001158 2.6.18-imvuamd64smpmsastest #1 SMP Mon Oct 9 21:26:46 PDT 2006 x86_64 GNU/Linux Here are the megaraid entries from syslog: FACILITY DATE TIME MESSAGE kern-warning 2006-11-13 12:56:25 kernel: megasas[0]: 64 bit SGLs were sent to FW kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Pending OS cmds in FW : kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x15351800 : <3>megasas[0]: frame count : 0x8, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe238b77, lba_hi : 0x0, sense_buf addr : 0x1534d900,sge count : 0x47 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x1535c800 : <3>megasas[0]: frame count : 0x8, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe23991f, lba_hi : 0x0, sense_buf addr : 0x15356d00,sge count : 0x50 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x15375000 : <3>megasas[0]: frame count : 0x6, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe23aaaf, lba_hi : 0x0, sense_buf addr : 0x15371800,sge count : 0x1a kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x15377c00 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xae0005f, lba_hi : 0x0, sense_buf addr : 0x15371d80,sge count : 0x2 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x1537b400 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe208367, lba_hi : 0x0, sense_buf addr : 0x1537a280,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x1537d400 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe239697, lba_hi : 0x0, sense_buf addr : 0x1537a680,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff00000 : <3>megasas[0]: frame count : 0x8, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe238f17, lba_hi : 0x0, sense_buf addr : 0x1537ac00,sge count : 0x45 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff01400 : <3>megasas[0]: frame count : 0x7, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe238df7, lba_hi : 0x0, sense_buf addr : 0x1537ae80,sge count : 0x22 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff06400 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xa68d66f, lba_hi : 0x0, sense_buf addr : 0xcff03680,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff18400 : <3>megasas[0]: frame count : 0x8, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe239e27, lba_hi : 0x0, sense_buf addr : 0xcff15680,sge count : 0x50 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff1f000 : <3>megasas[0]: frame count : 0x8, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe239b9f, lba_hi : 0x0, sense_buf addr : 0xcff1e200,sge count : 0x50 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff20000 : <3>megasas[0]: frame count : 0x4, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe23c41f, lba_hi : 0x0, sense_buf addr : 0xcff1e400,sge count : 0xf kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff2b000 : <3>megasas[0]: frame count : 0x3, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe23a377, lba_hi : 0x0, sense_buf addr : 0xcff27800,sge count : 0xa kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff35c00 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xa601697, lba_hi : 0x0, sense_buf addr : 0xcff30b80,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff44400 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe238b6f, lba_hi : 0x0, sense_buf addr : 0xcff42480,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff4cc00 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe20a287, lba_hi : 0x0, sense_buf addr : 0xcff4b380,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff4f800 : <3>megasas[0]: frame count : 0x8, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe23a0f7, lba_hi : 0x0, sense_buf addr : 0xcff4b900,sge count : 0x38 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff52400 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0x5f4009f, lba_hi : 0x0, sense_buf addr : 0xcff4be80,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff5fc00 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe238f0f, lba_hi : 0x0, sense_buf addr : 0xcff5d580,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff60000 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xa6000df, lba_hi : 0x0, sense_buf addr : 0xcff5d600,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff6bc00 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe239e1f, lba_hi : 0x0, sense_buf addr : 0xcff66b80,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff75800 : <3>megasas[0]: frame count : 0x8, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe239197, lba_hi : 0x0, sense_buf addr : 0xcff6fd00,sge count : 0x50 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff76400 : <3>megasas[0]: frame count : 0x3, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe23a0a7, lba_hi : 0x0, sense_buf addr : 0xcff6fe80,sge count : 0xa kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff7b400 : <3>megasas[0]: frame count : 0x8, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe23969f, lba_hi : 0x0, sense_buf addr : 0xcff78680,sge count : 0x50 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0xcff7e400 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe23aaa7, lba_hi : 0x0, sense_buf addr : 0xcff78c80,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x15391400 : <3>megasas[0]: frame count : 0x2, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xd0c004f, lba_hi : 0x0, sense_buf addr : 0x1538ae80,sge count : 0x3 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x153a3000 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0x5f40217, lba_hi : 0x0, sense_buf addr : 0x1539ce00,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x153adc00 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe2343e7, lba_hi : 0x0, sense_buf addr : 0x153ae180,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x153bdc00 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xa601657, lba_hi : 0x0, sense_buf addr : 0x153b7d80,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x153c3000 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xae00057, lba_hi : 0x0, sense_buf addr : 0x153c0600,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x153c4000 : <3>megasas[0]: frame count : 0x1, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe2324af, lba_hi : 0x0, sense_buf addr : 0x153c0800,sge count : 0x1 kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Frame addr :0x153c7400 : <3>megasas[0]: frame count : 0x8, Cmd : 0x2, Tgt id : 0x0, lba lo : 0xe239417, lba_hi : 0x0, sense_buf addr : 0x153c0e80,sge count : 0x50 kern-warning 2006-11-13 12:56:25 kernel: megasas[0]: Pending Internal cmds in FW : kern-err 2006-11-13 12:56:25 kernel: megasas[0]: Dumping Done. kern-err 2006-11-13 12:56:25 kernel: megasas: failed to do reset kern-notice 2006-11-13 12:56:25 kernel: sd 0:2:0:0: megasas: RESET -20487153 cmd=2a kern-err 2006-11-13 12:56:25 kernel: megasas: cannot recover from previous reset failures kern-notice 2006-11-13 12:56:25 kernel: sd 0:2:0:0: megasas: RESET -20487153 cmd=2a kern-err 2006-11-13 12:56:25 kernel: megasas: cannot recover from previous reset failures kern-notice 2006-11-13 12:56:24 kernel: megasas: [100]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [105]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [110]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [115]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [120]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [125]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [130]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [135]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [140]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [145]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [150]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [155]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [160]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [165]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [170]waiting for 32 commands to complete kern-notice 2006-11-13 12:56:24 kernel: megasas: [175]waiting for 32 commands to complete kern-warning 2006-11-13 12:56:24 kernel: megasas[0]: Dumping Frame Phys Address of all pending cmds in FW kern-err 2006-11-13 12:56:24 kernel: megasas[0]: Total OS Pending cmds : 32 kern-notice 2006-11-13 12:54:59 kernel: megasas: [95]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:54 kernel: megasas: [90]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:49 kernel: megasas: [85]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:44 kernel: megasas: [80]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:39 kernel: megasas: [75]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:34 kernel: megasas: [70]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:29 kernel: megasas: [65]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:24 kernel: megasas: [60]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:19 kernel: megasas: [55]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:14 kernel: megasas: [50]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:09 kernel: megasas: [45]waiting for 32 commands to complete kern-notice 2006-11-13 12:54:04 kernel: megasas: [40]waiting for 32 commands to complete kern-notice 2006-11-13 12:53:59 kernel: megasas: [35]waiting for 32 commands to complete kern-notice 2006-11-13 12:53:54 kernel: megasas: [30]waiting for 32 commands to complete kern-notice 2006-11-13 12:53:49 kernel: megasas: [25]waiting for 32 commands to complete kern-notice 2006-11-13 12:53:44 kernel: megasas: [20]waiting for 32 commands to complete kern-notice 2006-11-13 12:53:39 kernel: megasas: [15]waiting for 32 commands to complete kern-notice 2006-11-13 12:53:34 kernel: megasas: [10]waiting for 32 commands to complete kern-notice 2006-11-13 12:53:29 kernel: megasas: [ 5]waiting for 32 commands to complete kern-notice 2006-11-13 12:53:24 kernel: sd 0:2:0:0: megasas: RESET -20487153 cmd=2a kern-notice 2006-11-13 12:53:24 kernel: megasas: [ 0]waiting for 32 commands to complete Brett G. Durrett wrote: > > David, > > We switched to 2.6.18 (SMP) and applied the latest patches from LSI > (got them directly from Sumant Patro). Also, he told me to make sure > "read ahead" was set to "off". This seems to have reduced the > frequency of the failures to about once per week (across 10+ > machines), down from several times per week. > > After I reported an additional failure, Sumant said they were able to > reproduce the problems with XFS but they have not seen it with EXT3. > I prefer XFS but I prefer to have reliable databases even more... > > I now have a couple of systems running in the new configuration and I > am slowly migrating others to it as well. I have not seen a failure > with EXT3 but I statistically it would have been unlikely... I won't > declare victory until I have more systems converted with a few weeks > of reliable use. > > Hope this helps... if anybody solves the root cause I will happily > offer them a small gift to show my gratitude. > > B- > > > > David N. Welton wrote: > >> Hi, >> >> I found someone corresponding to your name writing about a problem with >> the megaraid sas driver/hardware on the LKML: >> >> http://lkml.org/lkml/2006/9/6/12 >> >> We have a Dell (2950, running 2.6.18 #1 SMP) as well, and the way I >> managed to kill the thing dead in its tracks (symptoms basically what >> you you describe) is with smartctl: >> >> root@...gari:~# smartctl --all /dev/sda >> smartctl version 5.34 [i686-pc-linux-gnu] Copyright (C) 2002-5 Bruce >> Allen >> Home page is http://smartmontools.sourceforge.net/ >> >> Device: DELL PERC 5/i Version: 1.00 >> Device type: disk >> Local Time is: Wed Oct 25 10:14:40 2006 CEST >> Device does not support SMART >> >> Error Counter logging not supported >> >> >> Device does not support Self Test logging >> >> ---- >> >> [61101.681857] sd 0:2:0:0: rejecting I/O to offline device >> [61101.681944] EXT3-fs error (device sda1): ext3_readdir: directory >> #7553069 contains a hole at offset 0 >> [61103.944794] sd 0:2:0:0: rejecting I/O to offline device >> [61103.944879] EXT3-fs error (device sda1): ext3_readdir: directory >> #7553069 contains a hole at offset 0 >> [61104.672212] sd 0:2:0:0: rejecting I/O to offline device >> [61104.672295] EXT3-fs error (device sda1): ext3_readdir: directory >> #7553069 contains a hole at offset 0 >> [61105.255981] sd 0:2:0:0: rejecting I/O to offline device >> [61105.256066] EXT3-fs error (device sda1): ext3_readdir: directory >> #7553069 contains a hole at offset 0 >> >> ---- >> >> Dead in the water. We suspect that in any case there are some disk >> problems, which is why we were trying to use smartctl in the first >> place. >> >> I was just curious if you managed to figure anything out... >> >> Thanks, >> Dave Welton >> >> > - > To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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