From: bugzilla-daemon@kernel.org
To: linux-scsi@vger.kernel.org
Subject: [Bug 218035] New: Adaptec 7805H (pm80xx) hangs even on light I/O with some Seagate HDDs
Date: Sun, 22 Oct 2023 12:43:41 +0000 [thread overview]
Message-ID: <bug-218035-11613@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=218035
Bug ID: 218035
Summary: Adaptec 7805H (pm80xx) hangs even on light I/O with
some Seagate HDDs
Product: IO/Storage
Version: 2.5
Hardware: All
OS: Linux
Status: NEW
Severity: high
Priority: P3
Component: SCSI
Assignee: linux-scsi@vger.kernel.org
Reporter: nickosbarkas@gmail.com
Regression: No
Created attachment 305277
--> https://bugzilla.kernel.org/attachment.cgi?id=305277&action=edit
pm80xx hangs with Exos 7E2
Hello guys,
this is an old issue that happens when reading/writing data on specific
Seagate SAS HDDs on a pm80xx based adapter.
Affected models:
ST2000NM0045 (Constellation ES.3)
ST4000NM0023 (Enterprise Capacity v5 or Exos 7E2)
Please note that neither the disks nor the adapter are defective, they work
fine. The disks have the latest available microcode installed, but the issue
occurred with the factory microcode too.
Even with very small sequential or random I/O, the driver enters into a not
workable state.
linux-scsi thread for this issue:
https://www.spinics.net/lists/linux-scsi/msg116653.html
I have uploaded a dmesg excerpt with debug logging that shows what happens when
I run a random i/o test with 128k block reads with 32 threads for 1 minute.
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reply other threads:[~2023-10-22 12:43 UTC|newest]
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