Xingui Yang
authored
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5Q63H CVE: NA ------------------------------------- When an NCQ error occurs, SAS controller will abnormally complete the I/Os that newly delivered to disk, and bit8 in CQ dw3 will be set to 1 to indicate current SATA disk is in error status. The current processing flow is set ts->stat to SAS_OPEN_REJECT and then sas_ata_task_done() will set fis stat to ATA_ERR. After analyzed by ata_eh_analyze_tf(), err_mask will set to AC_ERR_HSM. If media error occurs for four times within 10 minutes and the chip rejects new I/Os for four times, NCQ will be disabled due to excessive errors. However, if media error occurs multiple times, the NCQ mode shouldn't be disabled. Therefore, use sas_task_abort() to handle abnormally completed I/Os when SATA disk is in error status. [10253.397429] hisi_sas_v3_hw 0000:b4:02.0: erroneous completion disk err dev id=2 sas_addr=0x5000000000000605 CQ hdr: 0x400903 0x2007f 0x0 0x80470000 [10253.397430] hisi_sas_v3_hw 0000:b4:02.0: erroneous completion iptt=135 task= pK-error dev id=2 sas_addr=0x5000000000000605 CQ hdr: 0x203 0x20087 0x0 0x100 Error info: 0x0 0x0 0x0 0x0 [10253.397432] hisi_sas_v3_hw 0000:b4:02.0: erroneous completion iptt=136 task= pK-error dev id=2 sas_addr=0x5000000000000605 CQ hdr: 0x203 0x20088 0x0 0x100 Error info: 0x0 0x0 0x0 0x0 Signed-off-by:Xingui Yang <yangxingui@huawei.com> Reviewed-by:
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| block | ||
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| hwtracing | ||
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| ide | ||
| idle | ||
| iio | ||
| infiniband | ||
| input | ||
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| ipack | ||
| irqchip | ||
| isdn | ||
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| macintosh | ||
| mailbox | ||
| mcb | ||
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| media | ||
| memory | ||
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| net | ||
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