From patchwork Fri Apr 7 03:56:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingui Yang X-Patchwork-Id: 671899 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B863C6FD1D for ; Fri, 7 Apr 2023 04:04:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231223AbjDGEEF (ORCPT ); Fri, 7 Apr 2023 00:04:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229455AbjDGEED (ORCPT ); Fri, 7 Apr 2023 00:04:03 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6191C55AE; Thu, 6 Apr 2023 21:04:01 -0700 (PDT) Received: from dggpemm500012.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Pt4RM00GbzKx77; Fri, 7 Apr 2023 12:01:02 +0800 (CST) Received: from localhost.localdomain (10.50.163.32) by dggpemm500012.china.huawei.com (7.185.36.89) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Fri, 7 Apr 2023 12:03:00 +0800 From: Xingui Yang To: , , CC: , , , , , Subject: [PATCH] scsi: libsas: set tf to normal in sas_ata_device_link_abort() Date: Fri, 7 Apr 2023 03:56:18 +0000 Message-ID: <20230407035618.25123-1-yangxingui@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.50.163.32] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500012.china.huawei.com (7.185.36.89) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org If the disk returns UNC for more than five times within a short period, the number of retry times for other I/Os may reach scmd->allowed, and the default error "Illegal Request" is returned for other I/Os, as follows: [ 273.801770] hisi_sas_v3_hw 0000:b4:02.0: erroneous completion disk err dev id=2 sas_addr=0x5000000000000605 CQ hdr: 0x400903 0x20103 0x0 0x80470000 [ 273.875286] sas: Enter sas_scsi_recover_host busy: 30 failed: 30 [ 273.879895] sas: trying to find task 0x00000000d9cfc893 [ 273.879896] sas: sas_scsi_find_task: aborting task 0x00000000d9cfc893 [ 273.880054] sas: sas_scsi_find_task: task 0x00000000d9cfc893 is done [ 273.880055] sas: sas_eh_handle_sas_errors: task 0x00000000d9cfc893 is done [ 273.880236] ata6.00: failed command: READ FPDMA QUEUED [ 273.880238] ata6.00: cmd 60/08:00:59:27:00/00:00:00:00:00/40 tag 22 ncq dma 4096 in res 41/04:00:20:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 273.880239] ata6.00: status: { DRDY ERR } [ 273.880240] ata6.00: error: { ABRT } [ 273.880241] ata6.00: failed command: READ FPDMA QUEUED [ 273.880243] ata6.00: cmd 60/90:00:d1:26:00/00:00:00:00:00/40 tag 23 ncq dma 73728 in res 41/40:90:10:27:00/00:00:00:00:00/00 Emask 0x409 (media error) [ 273.880245] ata6.00: status: { DRDY ERR } [ 273.880246] ata6.00: error: { UNC } [ 273.880247] ata6.00: failed command: READ FPDMA QUEUED [ 273.880249] ata6.00: cmd 60/08:00:19:27:00/00:00:00:00:00/40 tag 24 ncq dma 4096 in res 41/04:00:20:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 273.880250] ata6.00: status: { DRDY ERR } [ 273.880251] ata6.00: error: { ABRT } [ 274.199477] scmd->retries: 3, scmd->allowed: 5 [ 274.199478] scmd->retries: 3, scmd->allowed: 5 [ 274.199479] scmd->retries: 3, scmd->allowed: 5 [ 274.199481] scmd->retries: 3, scmd->allowed: 5 [ 274.199482] scmd->retries: 3, scmd->allowed: 5 [ 274.199483] scmd->retries: 2, scmd->allowed: 5 [ 274.199484] scmd->retries: 3, scmd->allowed: 5 [ 274.199485] scmd->retries: 3, scmd->allowed: 5 [ 274.199486] scmd->retries: 5, scmd->allowed: 5 [ 274.199487] scmd->retries: 2, scmd->allowed: 5 [ 274.199488] scmd->retries: 2, scmd->allowed: 5 [ 274.199524] sd 6:0:1:0: [sdb] tag#258 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [ 274.199527] sd 6:0:1:0: [sdb] tag#258 Sense Key : Illegal Request [current] [ 274.199530] sd 6:0:1:0: [sdb] tag#258 Add. Sense: Unaligned write command [ 274.199532] sd 6:0:1:0: [sdb] tag#258 CDB: Read(10) 28 00 00 00 27 59 00 00 08 00 [ 274.199535] print_req_error: I/O error, dev sdb, sector 10073 [ 274.199573] sd 6:0:1:0: [sdb] tag#259 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [ 274.199574] sd 6:0:1:0: [sdb] tag#259 Sense Key : Medium Error [current] [ 274.199576] sd 6:0:1:0: [sdb] tag#259 Add. Sense: Unrecovered read error - auto reallocate failed [ 274.199578] sd 6:0:1:0: [sdb] tag#259 CDB: Read(10) 28 00 00 00 26 d1 00 00 90 00 [ 274.199579] print_req_error: I/O error, dev sdb, sector 10000 [ 274.199608] ata6: EH complete [ 274.199615] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 30 tries: 1 As mentioned in ata_eh_qc_retry(), if qc->err_mask is zero then increment scmd->allowed. So set tf to normal may be better. Signed-off-by: Xingui Yang --- drivers/scsi/libsas/sas_ata.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 77714a495cbb..f5047e8dcb59 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -949,8 +949,8 @@ void sas_ata_device_link_abort(struct domain_device *device, bool force_reset) unsigned long flags; spin_lock_irqsave(ap->lock, flags); - device->sata_dev.fis[2] = ATA_ERR | ATA_DRDY; /* tf status */ - device->sata_dev.fis[3] = ATA_ABORTED; /* tf error */ + device->sata_dev.fis[2] = ATA_DRDY; /* tf status */ + device->sata_dev.fis[3] = 0; /* tf error */ link->eh_info.err_mask |= AC_ERR_DEV; if (force_reset)